3.1845.22131836.00317.2217.043.1945.231418.271917.0543.2045.2417.23151118.283.21245.2516217.06550.0017.243.2245.2617318.29410.003.2345.271817.076417.253.2445.2819818.30517.0873.2545.3017.2661038.0018.313.26717.09817.27113.27818.32Kentucky - July 21,19193.281317.109917.283.2918.33101551.0117.11103.3017.291151.021718.3412.001217.121117.301918.3539.0117.131217.312139.0218.362339.0317.141317.3218.3739.042552.0017.151417.3317217.218.38317.1617.3417.313.0118.39417.413.0217.1717.35517.513.03617.1817.3617.67713.0478717.713.05817.1917.3721792217.911801817.2017.38238118.219248217.2117.3918.4258318.62617.2217.408418.822738518.940.0017.2317.4128864Wdesk from Workiva298717.24517.4230883117.2517.438913239017.2617.443319135349217.27717.45593942.00617.2817.46941181217.291017.471.0113122.003216.0017.301517.481413191617.3117.492341829517.322017.5031644.0017.3317.51721414.00817.3417.5293.0118.001017.3517.533.02true1123.03117.3617.5412233.0413true53.05317.3717.5515746.0063.06481617.38117.5773.075915.01223823.0861015.0217.3917.59393.097419.011115.034.00103.10817.4019.0217.601215.04523113.11961315.0517.41123.12107415.061413Electric - Kentucky3.13118515.0717.4248.0045.38143.14129615.0845.2145.53153.151317.4315.091045.55163.1614110017.441703.171512002.60165.0122.133017.451222.27702.717.86236175.02347002.822.301817.4620.005.0317.87358022.419369017.4731.0122.52017.88371031.0222.621381117.4817.8931.031223931.0422317.494017.9031.052441317.5031.062517.914231.0742622.004317.5117.9231.08276.00531.092817.5217.9329617.533017.9473117.5417.951281317.5517.9623.011214917.5617.978.003157.11107.1241617.5717.985177.131117.585.1187.317.9924.005.219127.417.5918.005.3207.5135.42117.607.618.015.5227.71417.619.01237.818.029.0224157.917.6218.039.0326169.042717.63518.04725.019.05281717.6425.029.062918.0525.039.073017.0117.6518.0625.049.08313217.0243217.6618.071112335217.03217.673418.0863333517.047417.682218.09368417.053717.6911818.1031938517.0617.705392018.11664017.0717.7118.12false741Jeffrey W. Hoersdig, Assistant Controller717.0812.184217.7212.28false18.138944817.0912.317.73104518.143112.420332013945.0117.1026.0017.7412.518.151445.022212.6231017.111545.0317.7512.718.161645.04C0005331117.1212.817.7611732.0045.0518.17212.953181245.065417.1317.77318.181945.07411317.1422045.0817.7818.19522145.09328.0031417.15617.792245.1018.204647465231545.1117.16O517.801818.21532445.1291617.172534.0045.136717.81656818.22102645.1571717.181176917.822745.1618.2391282817.012.145.1717.19112.217.8330.0018.242945.1891517.022.317.203045.1917.841618.25102.413145.201717.037617.212.517.8518.26 C000533 Other State Tax, Other State Tax, OH, 2021 2022-01-012022-12-31 C000533 Local Bank Term Loan, State Commission Authority Case# 2014-00210 2022-01-012022-12-31 C000533 ScheduleRegionalTransmissionServiceRevenuesAbstract 2022-01-012022-12-31 C000533 RACELAND - KY, Distribution, , 69, 2.4, , 7.5, 1, ,  2022-12-31 C000533 ferc:NitrogenOxideMemberferc:TwoYearsMember 2022-12-31 C000533 CEDAR CREEK - KY, Transmission, , 69, 12, , 6.25, 0, 1,  2022-01-012022-12-31 C000533 0143 HAZARD, WOOTON, 3, 1.16, 795 KCM ACSR 2022-01-012022-12-31 C000533 HAZARD - KY, Transmission, , 34.5, 12, , 9.375, 1, ,  2022-12-31 C000533 TOPMOST - KY, Distribution, , 138, 13.09, , 20, 1, ,  2022-12-31 C000533 354, 101300, 2022-01-012022-12-31 C000533 BEAVER CREEK - KY, Transmission, , 138, 70.5, 46, 90, 1, ,  2022-12-31 C000533 Operating Reserves 2022-01-012022-12-31 C000533 SFAS 109 Deferred FIT 2022-12-31 C000533 UNEMPLOYMENT 2022, Unemployment Tax, , 2022-01-012022-12-31 C000533 PJM Greenhat Default Deferral 2022-12-31 C000533 Kentucky Reliability 2021-12-31 C000533 ferc:ElectricUtilityMember Property Tax, Property Tax, WV, 2021 2022-01-012022-12-31 C000533 Allowance 2021-12-31 C000533 ferc:ElectricUtilityMember Deferred Fuel Costs 2022-12-31 C000533 Kentucky AMI Program Filing 2022-12-31 C000533 Meter Corrections 2022-01-012022-12-31 C000533 0124 BIG SANDY, SOUTH NEAL, 1, 0.01, 1033.5 VAR 2022-01-012022-12-31 C000533 State Tax, State Tax, KY, 2021 2022-01-012022-12-31 C000533 JACKSON - KY, Distribution, , 69, 12, , 14.5, 2, ,  2022-12-31 C000533 State Tax, State Tax, WV, 2018 2021-12-31 C000533 Items under $250,000 2022-01-012022-12-31 C000533 BELLEFONTE 69KV - KY, Transmission, , 69, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 Property Tax, Property Tax, WV, 2020 2022-01-012022-12-31 C000533 Minor Items < $25,000 2022-12-31 C000533 395, 210, 2022-01-012022-12-31 C000533 Netting of Trading Activities related toUnrealized Gains/Losses on Forward Commitmentsbetween Regulated Assets/Liabilities 2022-01-012022-12-31 C000533 BS1OR Under Recovery Kentucky PSC Case No. 2014-00396 2022-12-31 C000533 Unamortized Credit Line Fees 2022-12-31 C000533 A(1)e: Generation: Unconventional, 1 item under $50,000 2022-01-012022-12-31 C000533 Sales and Use, Sales And Use Tax, KY, 2021 2021-12-31 C000533 320 , b,  31 2022-01-012022-12-31 C000533 NBV - AROs Retired PlantsKentucky PSC Case No. 2014-00396 2021-12-31 C000533 Sales and Use, Sales And Use Tax, KY, 2021 2022-12-31 C000533 Brett  D.Mattison, President and Chief Operating Officer 2022-01-012022-12-31 C000533 FICA, Federal Insurance Tax, ,ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 0702 BIG SANDY, KY, BROADFORD, VA, 3, 12.65, 4-954 KCM ACSR 2022-01-012022-12-31 C000533 STATE UNEMPLOYMENT 2022, Unemployment Tax, WV,ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 WELLS FARGO SECURITIES, LLC, OS, NOTE 1 2022-01-012022-12-31 C000533 JENKINS - KY, Distribution, , 69, 12, , 10.5, 1, ,  2022-01-012022-12-31 C000533 Common stock 2022-01-012022-12-31 C000533 KY Next Generation Radio Sys, 1116561ferc:ElectricUtilityMember 2022-12-31 C000533 FORDS BRANCH - KY, Distribution, , 46, 34.5, 12, 30, 1, ,  2022-12-31 C000533 KPCo T Work 4, 1811683 2022-01-012022-12-31 C000533 ferc:OtherElectricUtilityMember 2022-12-31 C000533 ferc:FuelTaxMember 2022-12-31 C000533 Senior Unsecured Notes - 4.33%, Series B State Commission Authority Case# 2014-00210 2022-01-012022-12-31 C000533 0702 BIG SANDY, KY, BROADFORD, VA, 3, 3.04, 2022-01-012022-12-31 C000533 BAKER 765KV - KY, Transmission, , 765, 345, 34.5, 1500, 3, ,  2022-01-012022-12-31 C000533 SLEMP - KY, Distribution, , 69, 34.5, , 10.5, 1, ,  2022-01-012022-12-31 C000533 ferc:PayrollTaxMember 2021-12-31 C000533 ferc:ElectricUtilityMember Sales and Use, Sales And Use Tax, WV, 2022 2022-01-012022-12-31 C000533 ferc:ElectricUtilityMember Sales and Use, Sales And Use Tax, KY, 2021 2022-01-012022-12-31 C000533 CEDAR CREEK - KY, Transmission, , 138, 69, 46, 90, 1, ,  2022-12-31 C000533 ML S U2 Air Htr Bskt Rplc Lbty, 2091455ferc:ElectricUtilityMember 2022-12-31 C000533 Other License and Fees Tax, Other License And Fees Tax, WV, 2019 2021-12-31 C000533 State Tax, State Tax, WV, 2017 2022-01-012022-12-31 C000533 KPCo - D Work, 4007380ferc:ElectricUtilityMember 2022-12-31 C000533 TOTAL GENERAL, 101631, 2022-01-012022-12-31 C000533 State Tax, State Tax, KY, 2020 2022-01-012022-12-31 C000533 2022-01-012022-12-31 C000533 356, 163568, 2022-01-012022-12-31 C000533 310-311, k,  1 2022-01-012022-12-31 C000533 393, 305, 2022-01-012022-12-31 C000533 Capital Contributions from Parent 2022-01-012022-12-31 C000533 T/KP/Wooten-Pineville-KP Work 2022-01-012022-12-31 C000533 State Tax, State Tax, WV, 2019 2022-01-012022-12-31 C000533 KPCo T Work 4, 1811683ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Deferred Property Tax 2022-12-31 C000533 State Tax, State Tax, IL, 2019 2021-12-31 C000533 ALLEN (KP) - KY, Distribution, , 46, 0, 0, 0, , , STATCAP 2022-12-31 C000533 Sales and Use, Sales And Use Tax, WV, 2020 2022-01-012022-12-31 C000533 AG2-681, 66ferc:TransmissionStudiesMember 2022-01-012022-12-31 C000533 Corporate and Fiscal 2022-01-012022-12-31 C000533 SPRING FORK - KY, Distribution, , 46, 7.2, , 0.833, 1, ,  2022-12-31 C000533 Sales and Use, Sales And Use Tax, OH, 2022 2021-12-31 C000533 ASHLAND - KY, Distribution, , 69, 12, , 22.4, 1, ,  2022-01-012022-12-31 C000533 Unrecovered R 2022-01-012022-12-31 C000533 ferc:NitrogenOxideMember Allowances Used 2022-01-012022-12-31 C000533 ferc:MiscellaneousOtherTaxMember 2022-01-012022-12-31 C000533 Other (provide details in footnote): 2022-01-012022-12-31 C000533 163 - Stores Expense Undistributedferc:DirectPayrollDistributionMember 2022-01-012022-12-31 C000533 BEAVER CREEK - KY, Transmission, , 138, 34.5, , 30, 1, ,  2022-01-012022-12-31 C000533 426 - Political Activities 2022-01-012022-12-31 C000533 0133 CHADWICK EXTENSION, , , 1.06, 795KCM ACSR 2022-01-012022-12-31 C000533 AG2-679, 75ferc:TransmissionStudiesMember 2022-01-012022-12-31 C000533 REEDY COAL - KY, Distribution, , 69, 34, , 20, 1, ,  2022-01-012022-12-31 C000533 Nothing to Report, , , 2022-01-012022-12-31 C000533 355, 196501, 2022-01-012022-12-31 C000533 Capacity Charge Tariff OverRec 2022-01-012022-12-31 C000533 CITY OF OLIVE HILL, RQ, KPCO 52 2022-01-012022-12-31 C000533 DEWEY - KY, Transmission, , 138, 34.5, , 25, 1, ,  2022-12-31 C000533 0113 CHADWICK, KY ELECTRIC STEEL, 1, 8.09, 795 MCMA 2022-01-012022-12-31 C000533 T/KP/Wooten-Pineville-KP Workferc:ElectricUtilityMember 2022-12-31 C000533 RUSSELL - KY, Distribution, , 69, 12, , 22.4, 1, ,  2022-12-31 C000533 Other State Tax, Other State Tax, KY, 2019 2022-01-012022-12-31 C000533 STATE UNEMPLOYMENT 2022, Unemployment Tax, OH, 2021-12-31 C000533 WEST PAINTSVILLE - KY, Distribution, , 69, 12, , 25, 1, ,  2022-12-31 C000533 365, 308087, 2022-01-012022-12-31 C000533 360.1, 5789, 2022-01-012022-12-31 C000533 Sales and Use, Sales And Use Tax, KY, 2021 2022-01-012022-12-31 C000533 ferc:TransmissionStudiesMember AG2-184, 37 2022-01-012022-12-31 C000533 COALTON - KY, Distribution, , 69, 0, 0, 0, , , STATCAP 2022-12-31 C000533 Other Accounts (Specify, details in footnote):ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 HENRY CLAY - KY, Distribution, , 46, 34.5, , 30, 1, ,  2022-12-31 C000533 M&S - Retiring PlantsKentucky PSC Case No. 2014-00396 2021-12-31 C000533 ferc:NitrogenOxideMember 2021-12-31 C000533 ferc:TransmissionStudiesMember AG2-678, 53 2022-01-012022-12-31 C000533 Institute, 28 items under $50,000 2022-01-012022-12-31 C000533 INEZ - KY, Transmission, , 69, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 AEPSC KY Power Ebon Case 2022-01-012022-12-31 C000533 General Service R 2022-01-012022-12-31 C000533 ferc:OtherAllocatedTaxMember 2022-12-31 C000533 ferc:ElectricOtherFacilitiesMember Other (provide details in footnote): 2022-01-012022-12-31 C000533 Other License and Fees Tax, Other License And Fees Tax, KY, 2020 2022-12-31 C000533 ferc:OtherUseTaxMember 2021-12-31 C000533 Unrecovered 2022-01-012022-12-31 C000533 0702 BIG SANDY, KY, BROADFORD, VA, 3, 58.26, 2022-01-012022-12-31 C000533 ferc:CurrentYearMemberferc:SulfurDioxideMember 2022-01-012022-12-31 C000533 BAKER 765KV - KY, Transmission, , 69, 4, , 3, 0, 1,  2022-12-31 C000533 or the Electric Power Research, Transmission EPRI Portfolio 2022-01-012022-12-31 C000533 ferc:OperatingUtilityMember 2022-01-012022-12-31 C000533 State Tax, State Tax, KY, 2020 2022-12-31 C000533 A(5): Environment (other than equipment), 1 items under $50,000 2022-01-012022-12-31 C000533 BEAVER CREEK - KY, Transmission, , 138, 0, 0, 0, , , Air Core Reactor 2022-01-012022-12-31 C000533 ferc:OtherFederalTaxMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Other License and Fees Tax, Other License And Fees Tax, WV, 2019 2022-01-012022-12-31 C000533 2021 PJM Transmission True-up 2022-01-012022-12-31 C000533 NERC Penalties 2021-12-31 C000533 Legal GC/Administration, AEPSC 2022-01-012022-12-31 C000533 IGCC Pre- 2021-12-31 C000533 OSS Margin Sharing Kentucky PSC Case No. 2017-00179 2022-01-012022-12-31 C000533 0ferc:Quarter4Member 2022-01-012022-12-31 C000533 361, 9375, 2022-01-012022-12-31 C000533 PJM Greenhat Default Deferral 2021-12-31 C000533 0136 WOOTEN EXTENSION, , 1, 0.04, 795 KCM ACSR 2022-01-012022-12-31 C000533 ferc:FederalInsuranceTaxMember 2022-01-012022-12-31 C000533 ferc:ElectricUtilityMember 2021-12-31 C000533 ferc:OtherLicenseAndFeesTaxMember 2022-01-012022-12-31 C000533 ferc:NonUtilityMember Others 2022-12-31 C000533 AG2-685, 76ferc:TransmissionStudiesMember 2022-01-012022-12-31 C000533 ferc:GasOtherFacilitiesMember Other (provide details in footnote): 2022-01-012022-12-31 C000533 SOFT SHELL - KY, Distribution, , 138, 34.5, , 30, 1, ,  2022-01-012022-12-31 C000533 ferc:OtherStateTaxMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 BEAVER CREEK - KY, Transmission, , 138, 69, 46, 90, 1, ,  2022-01-012022-12-31 C000533 Administrative and General Expenses - Maintenance, AEPSC 2022-01-012022-12-31 C000533 ferc:Quarter3Member 0 2022-01-012022-12-31 C000533 State Tax, State Tax, IL, 2018 2021-12-31 C000533 Int Exp Capd for Taxferc:ElectricUtilityMember 2021-12-31 C000533 0120 HATFIELD, SPRIGG, 1, 5.88, 1033 MCM 2022-01-012022-12-31 C000533 TOTAL GENERAL , 101631, 2022-01-012022-12-31 C000533 ALLEN (KP) - KY, Distribution, , 46, 12, , 6.25, 1, ,  2022-12-31 C000533 MCKINNEY - KY, Distribution, , 34.5, 12, , 6.666, 1, ,  2022-12-31 C000533 THELMA - KY, Transmission, , 138, 69, 46, 70, 1, ,  2022-12-31 C000533 Adj to Retained Earnings 2022-01-012022-12-31 C000533 Other State Tax, Other State Tax, KY, 2019ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 ferc:OtherFederalTaxMember 2022-01-012022-12-31 C000533 COLEMAN - KY, Distribution, , 69, 34.5, , 20, 1, ,  2022-12-31 C000533 B(4): Research Support to Others, 1 items under $50,000 2022-01-012022-12-31 C000533 Steam Power Generation - Maintenance, WPCo 2022-01-012022-12-31 C000533 FICA, Federal Insurance Tax, , 2022-12-31 C000533 Other Taxes and Fees, Other Taxes and Fees, KY, 2021 2021-12-31 C000533 SHAMROCK - KY, Distribution, , 69, 34.5, , 10.5, 1, ,  2022-01-012022-12-31 C000533 ferc:PropertyTaxMember 2022-01-012022-12-31 C000533 Materials and Supplies, APCo 2022-01-012022-12-31 C000533 391, 2734, 2022-01-012022-12-31 C000533 BELLEFONTE 69KV - KY, Transmission, , 69, 0, 0, 0, , , STATCAP 2022-12-31 C000533 PRESTONSBURG - KY, Distribution, , 46, 13.09, , 10, 1, ,  2022-12-31 C000533 (Increase) Decrease in Other Special Deposits 2022-01-012022-12-31 C000533 DAISY - KY, Distribution, , 69, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 DRAFFIN - KY, Distribution, , 46, 12, , 10.5, 1, ,  2022-01-012022-12-31 C000533 ferc:AdValoremTaxMember 2021-12-31 C000533 OSS Margin Sharing 2022-01-012022-12-31 C000533 369, 73541, 2022-01-012022-12-31 C000533 State Tax, State Tax, MULTI, 2021 2022-12-31 C000533 BELHAVEN - KY, Distribution, , 138, 13.09, , 20, 1, ,  2022-12-31 C000533 ferc:ElectricUtilityMember Capitalized Software - Book 2022-12-31 C000533 316 - Mitchell, 9434, 2022-01-012022-12-31 C000533 Spent AROs - Big Sandy Coal Kentucky PSC Case No. 2014-00396 2021-12-31 C000533 358.16, 275, 2022-01-012022-12-31 C000533 COALTON - KY, Distribution, , 69, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 7% 2022-01-012022-12-31 C000533 TOM WATKINS - KY, Distribution, , 69, 12, , 10.5, 1, ,  2022-01-012022-12-31 C000533 0130 JOHNS CREEK, SPRIGG, 3, 13, 1033 MCM 2022-01-012022-12-31 C000533 Unrealized Loss on Forward Commitments 2022-01-012022-12-31 C000533 Senior Unsecured Notes - 3.45%, Series H 2022-12-31 C000533 Asociated Business Development 2022-01-012022-12-31 C000533 KYPCo Trans Pre Eng Parent, 4263720ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 BEAVER CREEK - KY, Transmission, , 138, 0, 0, 0, , , STATCAP 2022-12-31 C000533 Construction Services, OPCo 2022-01-012022-12-31 C000533 NBV - AROs Retired PlantsKentucky PSC Case No. 2014-00396 2022-12-31 C000533 Other License and Fees Tax, Other License And Fees Tax, WV, 2022 2022-01-012022-12-31 C000533 ELWOOD (KP) - KY, Distribution, , 46, 34.5, 6.5, 25, 1, ,  2022-01-012022-12-31 C000533 0138 SOFT SHELL, BEAVER CREEK, 3, 1.4, 1590 ACSR 2022-01-012022-12-31 C000533 State Tax, State Tax, MULTI, 2019 2022-12-31 C000533 ferc:RealEstateTaxMember 2022-01-012022-12-31 C000533 ferc:SalesAndUseTaxMember 2022-01-012022-12-31 C000533 BS1OR Under Recovery Kentucky PSC Case No. 2014-00396 2022-01-012022-12-31 C000533 Steam Power Generation - Operation, AEPSC 2022-01-012022-12-31 C000533 Other Debit or Cr. Items (Describe, details in footnote):ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Taxes Other Than Income taxes, WPCo 2022-01-012022-12-31 C000533 Leslie Station Rehab, 2969774 2022-01-012022-12-31 C000533 ferc:ElectricUtilityMemberferc:StateTaxMember 2022-01-012022-12-31 C000533 State Tax, State Tax, IL, 2018 2022-01-012022-12-31 C000533 Julia A. Sloat, Vice President and Chief Financial Officer 2022-01-012022-12-31 C000533 KENWOOD - KY, Distribution, , 46, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 353 - Big Sandy, 603, 2022-01-012022-12-31 C000533 0121 HATFIELD, INEZ, 1, 14.67, 1033.5 VAR 2022-01-012022-12-31 C000533 Senior Unsecured Notes - 4.180%, Series A State Commission Authority Case# 2014-00210 2022-12-31 C000533 HAYWARD - KY, Distribution, , 69, 13.09, , 9.375, 1, ,  2022-12-31 C000533 Federal Tax, Federal Tax, , 2022-12-31 C000533 353 - Mitchell, 12303, 2022-01-012022-12-31 C000533 Unrealized Gain on Forward Commitments 2022-01-012022-12-31 C000533 Cost of Removal-Big Sandy CoalKentucky PSC Case No. 2014-00396 2022-01-012022-12-31 C000533 KY- DSM Over Recovery 2022-12-31 C000533 ferc:FranchiseTaxMember 2021-12-31 C000533 Transmission Purchase Expense 2022-01-012022-12-31 C000533 FISHTRAP - KY, Distribution, , 69, 12, , 3.75, 1, ,  2022-01-012022-12-31 C000533 0300 BIG SANDY, KY, TRI-STATE, WV, 3, 8.36, 954 KCM ACSR 2022-01-012022-12-31 C000533 STATE UNEMPLOYMENT 2022, Unemployment Tax, OH, 2022-01-012022-12-31 C000533 HOODS CREEK - KY, Distribution, , 69, 12, , 10.5, 1, ,  2022-01-012022-12-31 C000533 390, 27860, 2022-01-012022-12-31 C000533 PRINCESS - KY, Distribution, , 69, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 Notes Payable to Associated Companies 2022-01-012022-12-31 C000533 GENERAL PLANT, , 2022-01-012022-12-31 C000533 ML V U2 Cat Layer 4 Rplc Lbty, 1284802ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 0105 CLINCH RIVER, VA, BEAVER CREEK, KY, 3, 2.3, 636 MCMA 2022-01-012022-12-31 C000533 HENRY CLAY - KY, Distribution, , 46, 34.5, , 30, 1, ,  2022-01-012022-12-31 C000533 JEFF - KY, Distribution, , 69, 36.2, , 30, 1, ,  2022-01-012022-12-31 C000533 Increases (Decreases) from Sales of Donations Received from Stockholders 2022-01-012022-12-31 C000533 Other Minor Projects Which is under 5% or $1,000,000ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 BELLEFONTE 138KV - KY, Transmission, , 138, 13.09, , 22.4, 1, ,  2022-01-012022-12-31 C000533 352 - Big Sandy, 10, 2022-01-012022-12-31 C000533 Rate Cases Expenses 2022-01-012022-12-31 C000533 Contribution Aid of Construction 2021-12-31 C000533 BURTON - KY, Distribution, , 46, 12, , 6.25, 1, ,  2022-12-31 C000533 OLIVE HILL - KY, Distribution, , 69, 4, , 5, 1, ,  2022-12-31 C000533 ferc:ElectricUtilityMember Other State Tax, Other State Tax, OH, 2021 2022-01-012022-12-31 C000533 ferc:StateTaxMember 2022-01-012022-12-31 C000533 23 KYP Base Rate Case Filing 2022-01-012022-12-31 C000533 KENWOOD - KY, Distribution, , 46, 0, 0, 0, , , STATCAP 2022-12-31 C000533 HITCHINS - KY, Distribution, , 69, 13.09, , 25, 1, ,  2022-12-31 C000533 KPCo T Work 4, 1811683ferc:ElectricUtilityMember 2022-12-31 C000533 Sales and Use, Sales And Use Tax, KY, 2017ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Other Debit or Cr. Items (Describe, details in footnote): 2022-01-012022-12-31 C000533 ferc:ExciseTaxMember 2022-12-31 C000533 Under-Recovery of PJM True-UpAmortz period: Jan 2022-Dec 2022 2022-01-012022-12-31 C000533 Ed-Ci-Kepco-D Ast Imp, 3407503ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Accrued BK ARO Costferc:ElectricUtilityMember 2022-12-31 C000533 PJM Power Factor Credits Rev Whlsle Various Various OS 2022-01-012022-12-31 C000533 418 - Nonoperating Rental Income 2022-01-012022-12-31 C000533 KIMPER - KY, Distribution, , 69, 12, , 9.375, 1, ,  2022-12-31 C000533 SALISBURY (KP) - KY, Distribution, , 46, 13.09, , 20, 1, ,  2022-12-31 C000533 AG2-679, 75 2022-01-012022-12-31 C000533 ferc:SulfurDioxideMemberferc:AfterThreeYearsMember 2022-12-31 C000533 Deferred Gain: Fiber Optic Agrmts-In Kind SvcAmortize through June 2026 2021-12-31 C000533 CITY OF VANCEBURG, RQ, KPCO 51 2022-01-012022-12-31 C000533 0131 BAKER, BIG SANDY EXT., 1, 0.05, 2 - 1351KCM ACSR 2022-01-012022-12-31 C000533 BEAVER CREEK - KY, Transmission, , 138, 0, 0, 0, , , Air Core Reactor 2022-12-31 C000533 BEEFHIDE - KY, Distribution, , 138, 34.5, , 20, 1, ,  2022-12-31 C000533 KYPCo Distr Pre Eng Parent, 3808012ferc:ElectricUtilityMember 2022-12-31 C000533 Unrecovered Plant - Big Sandy Kentucky PSC Case No. 2014-00396 2022-01-012022-12-31 C000533 Local Tax, Local Tax, , 2022 2021-12-31 C000533 350.1, 34757, 2022-01-012022-12-31 C000533 Nicholas K. Akins, Chairman of the Board and  Chief Executive Officer 2022-01-012022-12-31 C000533 Capacity Charge Tariff Kentucky PSC Case No. 2014-00396, TFS 2016-00430 2021-12-31 C000533 BIG SANDY 138KV - KY, Transmission, , 138, 34.5, , 20, 1, ,  2022-01-012022-12-31 C000533 State Tax, State Tax, WV, 2022 2022-01-012022-12-31 C000533 Local Tax, Local Tax, , 2021 2022-12-31 C000533 367, 12744, 2022-01-012022-12-31 C000533 AG2-682, 64 2022-01-012022-12-31 C000533 ferc:NitrogenOxideMemberferc:TwoYearsMember 2021-12-31 C000533 WHITESBURG - KY, Distribution, , 69, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 KY Steam Maint O/U 2021-12-31 C000533 Utility GR LIC- EDP, Other State Tax, KY, 2022ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Increases (Decreases) Due to Miscellaneous Paid-In Capital 2022-01-012022-12-31 C000533 COMBS - KY, Distribution, , 69, 12, , 7.5, 1, ,  2022-01-012022-12-31 C000533 314 - Big Sandy, 63139, 2022-01-012022-12-31 C000533 2019 Kentucky IRP Plan 2022-12-31 C000533 KPCo D Work 1, 1074435 2022-01-012022-12-31 C000533 ferc:OtherLicenseAndFeesTaxMember 2022-12-31 C000533 Mitchell- Total 2022-01-012022-12-31 C000533 State Tax, State Tax, IL, 2020 2022-12-31 C000533 Inadvertent 2022-01-012022-12-31 C000533 GRAYS BRANCH - KY, Distribution, , 69, 12, , 5, 1, ,  2022-01-012022-12-31 C000533 Local Bank Term LoanState Commission Authority: 2021-00131 (1st 75 million)State Commission Authority: 2022-00205 (2nd 75 million) 2022-12-31 C000533 DEPRECIABLE SUM, 3161303, 2022-01-012022-12-31 C000533 Items under $250,000ferc:LandAndRightsMember 2022-01-012022-12-31 C000533 362.16, 3549, 2022-01-012022-12-31 C000533 PRESTONSBURG - KY, Distribution, , 46, 13.09, , 10, 1, ,  2022-01-012022-12-31 C000533 2020 - Kentucky Power Base Case 2021-12-31 C000533 HAZARD - KY, Transmission, , 138, 36.2, , 30, 1, ,  2022-01-012022-12-31 C000533 Ed-Ci-Kepco-D Ast Imp, 3407503 2022-01-012022-12-31 C000533 UNEMPLOYMENT 2022, Unemployment Tax, , 2022-12-31 C000533 JACKSON - KY, Distribution, , 69, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 HAZARD - KY, Transmission, , 161, 138, 11, 135, 3, ,  2022-12-31 C000533 Other (provide details in footnote): 2022-01-012022-12-31 C000533 PJM INTERCONNECTION, OS, 2022-01-012022-12-31 C000533 315 - Mitchell, 26141, 2022-01-012022-12-31 C000533 Property Tax, Property Tax, KY, 2019 2022-01-012022-12-31 C000533 COMBS - KY, Distribution, , 69, 0, 0, 0, , , STATCAP 2022-12-31 C000533 RUSSELL FORK - KY, Distribution, , 69, 12, , 3.75, 1, ,  2022-12-31 C000533 Franchise Tax, Franchise Tax, KY, 2018 2022-12-31 C000533 Materials and Supplies, OPCo 2022-01-012022-12-31 C000533 Construction Services, AEPSC 2022-01-012022-12-31 C000533 A(6)a: Alternate Energy, 1 item under $50,000 2022-01-012022-12-31 C000533 Accrued Book Pension 2022-01-012022-12-31 C000533 TV Pole Attachments 2022-01-012022-12-31 C000533 ferc:SalesAndUseTaxMember 2022-12-31 C000533 FORDS BRANCH - KY, Distribution, , 46, 34.5, 12, 30, 1, ,  2022-01-012022-12-31 C000533 KPCo T Work 1, 3592336 2022-01-012022-12-31 C000533 ferc:ElectricUtilityMember 2021-01-012021-12-31 C000533 Senior Unsecured Notes - 5.625%, Series D 2022-01-012022-12-31 C000533 State Tax, State Tax, KY, 2022 2022-12-31 C000533 Municipal WaterworksC 2022-01-012022-12-31 C000533 ferc:ElectricUtilityMember Other 2021-12-31 C000533 20220527-5370                  , 44708, ER17-405 2022-01-012022-12-31 C000533 ferc:FranchiseTaxMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 STATE UNEMPLOYMENT 2022, Unemployment Tax, KY, 2022-12-31 C000533 Franchise Tax, Franchise Tax, KY, 2017 2021-12-31 C000533 0119 BETSY LAYNE, ALLEN, 1, 5.89, 795KCM ACSR 2022-01-012022-12-31 C000533 GRAYSON - KY, Distribution, , 69, 12, , 20, 1, ,  2022-12-31 C000533 State Tax, State Tax, KY, 2022 2022-01-012022-12-31 C000533 ferc:ElectricUtilityMemberferc:ElectricPlantInServiceMember 2021-12-31 C000533 ferc:OtherTaxesAndFeesMember 2022-01-012022-12-31 C000533 State Tax, State Tax, WV, 2021 2022-12-31 C000533 STATE UNEMPLOYMENT 2022, Unemployment Tax, VA, 2022-01-012022-12-31 C000533 DAISY - KY, Distribution, , 69, 12, , 4.7, 1, ,  2022-12-31 C000533 KPCo T Work 2, 18938898ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Excise Tax, Excise Tax, , 2021 2021-12-31 C000533 Sales and Use, Sales And Use Tax, OH, 2021ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Large General Service I 2022-01-012022-12-31 C000533 ML V U2 Cat Layer 4 Rplc Lbty, 1284802ferc:ElectricUtilityMember 2022-12-31 C000533 PPL ELECTRIC UTILITIES CORP, OS, NOTE 1 2022-01-012022-12-31 C000533 PJM - Enhancements OS 2022-01-012022-12-31 C000533 Wolverine Power Supply Cooperative, Inc.ferc:NitrogenOxideMember 2022-01-012022-12-31 C000533 NERC Penalties 2022-01-012022-12-31 C000533 COLLIER - KY, Distribution, , 69, 0, 0, 0, , , STATCAP 2022-12-31 C000533 Miscellaneous Items 2022-12-31 C000533 ferc:RealEstateTaxMember 2022-12-31 C000533 Deferred Rev-Bonus Lease 2022-12-31 C000533 ferc:OtherPropertyTaxMember 2022-01-012022-12-31 C000533 State Tax, State Tax, KY, 2019 2021-12-31 C000533 Fuel & Storeroom Services, AEPSC 2022-01-012022-12-31 C000533 Kentucky Rider 2022-01-012022-12-31 C000533 0137 HAYS BRANCH, MORGAN FORK, 3, 8.3, 795 ACSR 2022-01-012022-12-31 C000533 ferc:OtherPropertyTaxMember 2022-12-31 C000533 Accrued Book Pensionferc:ElectricUtilityMember 2022-12-31 C000533 Kentucky AMI Program Filing 2022-01-012022-12-31 C000533 0125 BELLEFONTE, AK STEEL OXYGEN PLANT, 3, 0.22, 795 ACSR 2022-01-012022-12-31 C000533 Big Sandy Retirement Rider Unit 2 O&M Kentucky PSC Case No. 2014-00396 2022-12-31 C000533 Other Minor Projects Which is under 5% or $1,000,000ferc:ElectricUtilityMember 2022-12-31 C000533 Other State Tax, Other State Tax, WV, 2022ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Mark-to-Market of Risk Management Contracts 2021-01-012021-12-31 C000533 Accrued BK ARO Cost 2022-01-012022-12-31 C000533 STINNETT - KY, Distribution, , 161, 34.5, 7.2, 22.4, 0, 1,  2022-01-012022-12-31 C000533 HIGHLAND (KP) - KY, Distribution, , 69, 13.09, , 25, 1, ,  2022-01-012022-12-31 C000533 362, 140394, 2022-01-012022-12-31 C000533 314 - Mitchell, 55565, 2022-01-012022-12-31 C000533 NERC Penalties 2022-12-31 C000533 Utility GR LIC- EDP, Other State Tax, KY, 2022 2022-01-012022-12-31 C000533 152 - Fuel Stock Undistributed 2022-01-012022-12-31 C000533 0142 STANVILLE EXTENSION, , 1, 0.42, 1033.5KCM ACSR 2022-01-012022-12-31 C000533 Sales and Use, Sales And Use Tax, KY, 2018ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Home Energy Assistance Program 2021-12-31 C000533 Mitchell- Total 2022-12-31 C000533 FEDS CREEK - KY, Distribution, , 69, 12, , 22.339, 1, ,  2022-12-31 C000533 Local Tax, Local Tax, , 2022 2022-01-012022-12-31 C000533 MIDDLE CREEK - KY, Distribution, , 46, 12, , 3.75, 1, ,  2022-01-012022-12-31 C000533 ferc:OtherUtilityMember OTHER 2021-12-31 C000533 Unrecovered I 2022-01-012022-12-31 C000533 Provision Revenue Refundsferc:ElectricUtilityMember 2021-12-31 C000533 State Tax, State Tax, KY, 2019 2022-12-31 C000533 Other Accounts (Specify, details in footnote): 2022-01-012022-12-31 C000533 Excise Tax, Excise Tax, , 2022 2022-12-31 C000533 BELLEFONTE 138KV - KY, Transmission, , 138, 69, 34.5, 308, 2, ,  2022-01-012022-12-31 C000533 Administrative and General Expenses - Operation, AEPSC 2022-01-012022-12-31 C000533 COALTON - KY, Distribution, , 69, 12, , 25, 1, ,  2022-12-31 C000533 214 , d,  46 2022-01-012022-12-31 C000533 A(6)g: Other (program management), 1 item under $50,000 2022-01-012022-12-31 C000533 ferc:PropertyTaxMember 2022-12-31 C000533 ML PCC U0 ELG Compliance - 117, 10010727 2022-01-012022-12-31 C000533 INEZ - KY, Transmission, , 138, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 Over/Under Recovered Fuel, Net 2022-01-012022-12-31 C000533 Deferred Depreciation - Environmental Kentucky PSC Case No. 2014-00396 2021-12-31 C000533 311 - Big Sandy, 24389, 2022-01-012022-12-31 C000533 MAYKING - KY, Distribution, , 69, 12, , 20, 1, ,  2022-01-012022-12-31 C000533 ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 2021 PJM Transmission True-up 2022-12-31 C000533 Property Tax, Property Tax, WV, 2021 2021-12-31 C000533 State Tax, State Tax, CA, 2020 2022-01-012022-12-31 C000533 CEDAR CREEK - KY, Transmission, , 138, 34.5, , 25, 0, 1,  2022-12-31 C000533 WHITESBURG - KY, Distribution, , 69, 12, , 35.5, 2, ,  2022-12-31 C000533 Notes Payable to Associated Companies - Retired 2022-01-012022-12-31 C000533 ferc:OtherLicenseAndFeesTaxMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 LESLIE - KY, Transmission, , 69, 0, 0, 0, , , STATCAP 2022-12-31 C000533 ferc:ElectricUtilityMember Reg Asset - SFAS 112 2022-12-31 C000533 COLEMAN - KY, Distribution, , 69, 12, , 3.75, 1, ,  2022-12-31 C000533 Miscellaneous 2022-01-012022-12-31 C000533 ferc:LocalTaxMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 DRAFFIN - KY, Distribution, , 46, 12, , 10.5, 1, ,  2022-12-31 C000533 IGCC Pre- 2022-12-31 C000533 SECOND FORK - KY, Distribution, , 69, 12, , 7.5, 1, ,  2022-01-012022-12-31 C000533 MANSBACH - KY, Distribution, , 69, 4, , 9.38, 1, ,  2022-01-012022-12-31 C000533 10% 2022-01-012022-12-31 C000533 2022 PJM Transmission True-up 2022-01-012022-12-31 C000533 ferc:OtherUtilityMember Other (Specify) 2022-01-012022-12-31 C000533 0100 BIG SANDY, KY, BELLEFONTE, 0, 0, 2-556.5 KCM ACSR 2022-01-012022-12-31 C000533 JOHNS CREEK - KY, Transmission, , 69, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 ferc:AdValoremTaxMember 2022-01-012022-12-31 C000533 Sales and Use, Sales And Use Tax, OH, 2021 2022-01-012022-12-31 C000533 FLEMING - KY, Transmission, , 69, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 WHITESBURG - KY, Distribution, , 69, 12, , 35.5, 2, ,  2022-01-012022-12-31 C000533 371, 19811, 2022-01-012022-12-31 C000533 ferc:IncomeTaxMember 2022-01-012022-12-31 C000533 Capacity Credits 2022-01-012022-12-31 C000533 KY Deferred Interest on 7.32% Note Case No. 2020-00174 2021-12-31 C000533 ferc:TransmissionPlantMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Increases (Decreases) Due to Reductions in Par or Stated Value of Capital Stock 2022-01-012022-12-31 C000533 ferc:SeveranceTaxMember 2022-01-012022-12-31 C000533 ferc:UnemploymentTaxMember 2022-01-012022-12-31 C000533 Unrealized Gain on Forward Commitments 2022-12-31 C000533 KPSC - Case No. 2016-00180 2022-01-012022-12-31 C000533 WHITESBURG - KY, Distribution, , 69, 0, 0, 0, , , STATCAP 2022-12-31 C000533 0127 BIG SANDY, INEZ, 3, 25.08, 795 MCMA 2022-01-012022-12-31 C000533 INDEX - KY, Distribution, , 69, 12, , 9.4, 1, ,  2022-01-012022-12-31 C000533 0135 WOOTEN, ARNOLD DELVINTA (LGE), 1, 1.09, 795 KCM ACSR 2022-01-012022-12-31 C000533 354 , b,  28 2022-01-012022-12-31 C000533 Amortization of Regulatory Debits and Credits (Net) 2021-01-012021-12-31 C000533 KPCo T Work 5, 1901412ferc:ElectricUtilityMember 2022-12-31 C000533 ferc:ElectricUtilityMemberferc:FederalInsuranceTaxMember 2022-01-012022-12-31 C000533 KPCo - D Work, 4007380 2022-01-012022-12-31 C000533 AG2-567, 52ferc:TransmissionStudiesMember 2022-01-012022-12-31 C000533 Deferred Rev-Bonus Lease 2021-12-31 C000533 Administrative and General Expenses - Maintenance, APCO 2022-01-012022-12-31 C000533 STATE UNEMPLOYMENT 2022, Unemployment Tax, KY,ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 KY T Work, 1613817ferc:ElectricUtilityMember 2022-12-31 C000533 STINNETT - KY, Distribution, , 161, 34, 7.2, 14.933, 1, ,  2022-01-012022-12-31 C000533 KPCo T Work 2, 18938898ferc:ElectricUtilityMember 2022-12-31 C000533 EAST PRESTONSBURG - KY, Distribution, , 46, 12, , 20, 1, ,  2022-01-012022-12-31 C000533 MORGAN FORK - KY, Transmission, , 138, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 Other (Provide details in footnote): 2022-01-012022-12-31 C000533 PRINCESS - KY, Distribution, , 69, 0, 0, 0, , , STATCAP 2022-12-31 C000533 ferc:ElectricUtilityMember Deferred Fuel Costs 2021-12-31 C000533 JOHNS CREEK - KY, Transmission, , 138, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 Deferred Lease Assets 2021-12-31 C000533 State Tax, State Tax, MI, 2018 2022-12-31 C000533 FALCON - KY, Distribution, , 69, 46, , 20, 1, ,  2022-01-012022-12-31 C000533 KY Under-recovered PPA Rider 2022-01-012022-12-31 C000533 2020 KY Storm Deferral 2022-12-31 C000533 NGUCS Weddington & Leatherwood, 1007104ferc:ElectricUtilityMember 2022-12-31 C000533 ferc:IncomeTaxMember 2022-12-31 C000533 BIG SANDY 138KV - KY, Transmission, , 138, 13.09, , 20, 1, ,  2022-12-31 C000533 364, 283193, 2022-01-012022-12-31 C000533 State Tax, State Tax, CA, 2022ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Rockport Capacity Deferral Kentucky PSC Case No. 2017-00179 2021-12-31 C000533 Ashland-Lynchburg MW Upgrade, 1162381ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Sales and Use, Sales And Use Tax, WV, 2020 2021-12-31 C000533 Hazard Station Rehab, 7698112 2022-01-012022-12-31 C000533 4%ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Franchise Tax, Franchise Tax, KY, 2019 2022-12-31 C000533 PJM INTERCONNECTION, RQ, VARIOUS 2022-01-012022-12-31 C000533 Corp Safety & Health, AEPSC 2022-01-012022-12-31 C000533 BELFRY - KY, Distribution, , 46, 12, , 10.5, 1, ,  2022-12-31 C000533 WURTLAND - KY, Distribution, , 69, 12, , 20, 1, ,  2022-12-31 C000533 Local Tax, Local Tax, , 2022 2022-12-31 C000533 ELWOOD (KP) - KY, Distribution, , 46, 34.5, 6.5, 25, 1, ,  2022-12-31 C000533 Steam Maintenance Levelized Reg LiabilityKY Case No. 2017-00179 2021-12-31 C000533 0128 INEZ, JOHNS CREEK, 3, 17, 2-556.5 MCM 2022-01-012022-12-31 C000533 HATFIELD (KP) - KY, Transmission, , 138, 69, 46, 60, 1, ,  2022-01-012022-12-31 C000533 Large General Service Time‐of‐Day I 2022-01-012022-12-31 C000533 Deferred Storm Expenses - Kentucky PSC Case No. 2017-00179 - Amortz period: January 2018 - December 2023 2022-12-31 C000533 ferc:ElectricPollutionControlFacilitiesMember 2021-12-31 C000533 Deferred Revenue  Fiber Optic Lines-Sold-Defd   Rev  Amortize through January 2025 2021-12-31 C000533 0107 LOGAN, WV, SPRIGG, KY, 3, 0.48, 397 MCMA 2022-01-012022-12-31 C000533 LESLIE - KY, Transmission, , 69, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 Miscellaneous 2021-12-31 C000533 GRAYSON - KY, Distribution, , 69, 12, , 20, 1, ,  2022-01-012022-12-31 C000533 ferc:LocalTaxMember 2022-12-31 C000533 Ann P. Kelly, Vice President and Chief Financial Officer 2022-01-012022-12-31 C000533 ferc:FranchiseTaxMember 2022-12-31 C000533 Property Tax, Property Tax, KY, 2021 2022-01-012022-12-31 C000533 Urea, APCo 2022-01-012022-12-31 C000533 Local Tax, Local Tax, , 2019 2022-01-012022-12-31 C000533 Ramey Substation (4205)ferc:LandAndRightsMember 2022-12-31 C000533 ferc:ElectricUtilityMember NOL State Deferred Tax Asset 2022-01-012022-12-31 C000533 0117 MILBROOK PARK, OH, FULLERTON, 1, 5.08, 556.5 MCM 2022-01-012022-12-31 C000533 Hazard Station Rehab, 7698112ferc:ElectricUtilityMember 2022-12-31 C000533 Mark-to-Marketferc:ElectricUtilityMember 2022-12-31 C000533 ferc:NitrogenOxideMember Purchases/Transfers: 2022-01-012022-12-31 C000533 SFAS 109 Deferred FIT 2021-12-31 C000533 216 , b,  1 2022-01-012022-12-31 C000533 Estimated Barging Bills 2022-01-012022-12-31 C000533 0700 BIG SANDY, KY, AMOS WV, 3, 0.13, 954 MCMA 2022-01-012022-12-31 C000533 KPCo D Work 1, 1074435ferc:ElectricUtilityMember 2022-12-31 C000533 SFAS 106 Medicare SubsidyAmortz period: Jan 2013 - Dec 2024 2022-01-012022-12-31 C000533 ML PCC U0 ELG Compliance - 117, 10010727ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 UNEMPLOYMENT 2022, Unemployment Tax, , 2021-12-31 C000533 Kentucky PSC Investigation 2022-12-31 C000533 JEFF - KY, Distribution, , 69, 36.2, , 30, 1, ,  2022-12-31 C000533 ferc:ElectricUtilityMember Other 2022-01-012022-12-31 C000533 State Tax, State Tax, MI, 2021 2021-12-31 C000533 Property Tax, Property Tax, WV, 2020 2022-12-31 C000533 JOHNS CREEK - KY, Transmission, , 69, 0, 0, 0, , , STATCAP 2022-12-31 C000533 Sales and Use, Sales And Use Tax, OH, 2022 2022-12-31 C000533 Concurrent Energy LFP 2022-01-012022-12-31 C000533 2020 - Kentucky Power Base Case 2022-01-012022-12-31 C000533 ferc:NextTwelveMonthsMemberferc:NitrogenOxideMember 2022-12-31 C000533 State Tax, State Tax, WV, 2020 2021-12-31 C000533 COMBS - KY, Distribution, , 69, 12, , 7.5, 1, ,  2022-12-31 C000533 PJM 2020 2022-01-012022-12-31 C000533 Other State Tax, Other State Tax, WV, 2020 2022-12-31 C000533 0110 BEAVER CREEK, KY, BIG SANDY, KY, 2, 1.48, 954KCM ACSR 2022-01-012022-12-31 C000533 STATE UNEMPLOYMENT 2022, Unemployment Tax, VA, 2021-12-31 C000533 Capitalized Software - Book 2022-01-012022-12-31 C000533 Ashland-Lynchburg MW Upgrade, 1162381 2022-01-012022-12-31 C000533 ScheduleComparativeBalanceSheetAbstract 2022-01-012022-12-31 C000533 456 - Other Electric Revenue 2022-01-012022-12-31 C000533 Taxes Other Than Income taxes, WPCO 2022-01-012022-12-31 C000533 Property Tax, Property Tax, IN, 2021 2022-01-012022-12-31 C000533 Mark-to-Marketferc:ElectricUtilityMember 2021-12-31 C000533 Other State Tax, Other State Tax, WV, 2021 2022-12-31 C000533 Construction Services, APCO 2022-01-012022-12-31 C000533 HOODS CREEK - KY, Distribution, , 69, 12, , 10.5, 1, ,  2022-12-31 C000533 GARRETT (KP) - KY, Transmission, , 46, 12, , 10.5, 1, ,  2022-01-012022-12-31 C000533 204-207, g,  49 2022-01-012022-12-31 C000533 183 - Prelim Survey 2022-01-012022-12-31 C000533 State Tax, State Tax, IL, 2016 2022-01-012022-12-31 C000533 ferc:ElectricUtilityMemberferc:UnemploymentTaxMember 2022-01-012022-12-31 C000533 HITCHINS - KY, Distribution, , 69, 13.09, , 25, 1, ,  2022-01-012022-12-31 C000533 State Tax, State Tax, IL, 2020 2022-01-012022-12-31 C000533 Emission Allowancesferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Urea, WPCO 2022-01-012022-12-31 C000533   East KY Power Coop 2022-01-012022-12-31 C000533 SECOND FORK - KY, Distribution, , 69, 0, 0, 0, , , STATCAP 2022-12-31 C000533 FALCON - KY, Distribution, , 69, 12, , 20, 1, ,  2022-12-31 C000533 KENWOOD - KY, Distribution, , 46, 12, , 20, 1, ,  2022-12-31 C000533 Property Tax, Property Tax, KY, 2021 2022-12-31 C000533 State Tax, State Tax, MI, 2020 2022-12-31 C000533 Contribution Aid of Construction 2022-01-012022-12-31 C000533 2020 - Kentucky Power Base Case 2022-12-31 C000533 BELLEFONTE 138KV - KY, Transmission, , 138, 13.09, , 22.4, 1, ,  2022-12-31 C000533 Local Tax, Local Tax, , 2021 2022-01-012022-12-31 C000533 Sales and Use, Sales And Use Tax, KY, 2022ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 ferc:ElectricUtilityMember Capitalized Software - Book 2021-12-31 C000533 Outdoor Lighting C 2022-01-012022-12-31 C000533 STINNETT - KY, Distribution, , 161, 34.5, 7.2, 22.4, 1, ,  2022-01-012022-12-31 C000533 EAST PRESTONSBURG - KY, Distribution, , 46, 12, , 20, 1, ,  2022-12-31 C000533 Other Minor Projects Which is under 5% or $1,000,000 2022-01-012022-12-31 C000533 Utility GR LIC- EDP, Other State Tax, KY, 2022 2022-12-31 C000533 ML S U2 Air Htr Bskt Rplc Lbty, 2091455ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Audit Services, AEPSC 2022-01-012022-12-31 C000533 HOWARD COLLINS - KY, Distribution, , 69, 12, , 30.5, 2, ,  2022-12-31 C000533 Franchise Tax, Franchise Tax, KY, 2019 2022-01-012022-12-31 C000533 Corporate Communications, AEPSC 2022-01-012022-12-31 C000533 Senior Unsecured Notes - 4.33%, Series B State Commission Authority Case# 2014-00210 2022-12-31 C000533 2022 PJM Transmission True-up 2022-01-012022-12-31 C000533 Deferred Revenue  Fiber Optic Lines-Sold-Defd   Rev  Amortize through January 2025 2022-12-31 C000533 ferc:OtherUtilityMember 2022-12-31 C000533 KY- DSM Over Recovery 2021-12-31 C000533 PJM Network Integ Trans Serv      Various Various FNO 2022-01-012022-12-31 C000533 Congestion 2022-01-012022-12-31 C000533 320 , b,  5 2022-01-012022-12-31 C000533 ferc:JuneMember 0 2022-01-012022-12-31 C000533 FLEMING - KY, Transmission, , 69, 12, , 20, 1, ,  2022-01-012022-12-31 C000533 ferc:DirectPayrollDistributionMember 426 - Political Activities 2022-01-012022-12-31 C000533 Other Accounts (Specify, provide details in footnote): 2022-01-012022-12-31 C000533 Proceed on Capital leaseback 2021-01-012021-12-31 C000533 HADDIX - KY, Distribution, , 69, 0, 0, 0, , , STATCAP 2022-12-31 C000533 STINNETT - KY, Distribution, , 161, 34, 7.2, 14.933, 1, ,  2022-12-31 C000533 CCS FEED Study Costs Kentucky PSC Case No. 2014-00396 2021-12-31 C000533 ferc:OtherAllocatedTaxMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Senior Unsecured Notes - 4.12%, Series I 2022-12-31 C000533 Mitchell- Total Oil 2022-01-012022-12-31 C000533 Federal Tax, Federal Tax, ,ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 LESLIE - KY, Transmission, , 161, 69, 12, 90, 1, ,  2022-12-31 C000533 Rajagopalan.Sundararajan,Executive Vice President, External Affairs 2022-01-012022-12-31 C000533 Toby L. Thomas, Vice President 2022-01-012022-12-31 C000533 SLEMP - KY, Distribution, , 69, 34.5, , 10.5, 1, ,  2022-12-31 C000533 Other State Tax, Other State Tax, KY, 2020ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 IGCC Pre- 2022-01-012022-12-31 C000533 10%ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 ferc:FuelTaxMember 2021-12-31 C000533 Sales and Use, Sales And Use Tax, KY, 2018 2022-12-31 C000533 ferc:JanuaryMember 0 2022-01-012022-12-31 C000533 312 - Mitchell SCR, 9156, 2022-01-012022-12-31 C000533 THELMA - KY, Transmission, , 138, 69, 12, 90, 1, ,  2022-01-012022-12-31 C000533 (Increase) Decrease in Other Special Deposits 2021-01-012021-12-31 C000533 FALCON - KY, Distribution, , 69, 12, , 20, 1, ,  2022-01-012022-12-31 C000533 State Tax, State Tax, IL, 2018 2022-12-31 C000533 ScheduleMonthlyIsoOrRtoTransmissionSystemPeakLoadAbstract 2022-01-012022-12-31 C000533 0701 BIG SANDY, KY, SARGENTS, OH, 3, 24.2, 954 MCMA 2022-01-012022-12-31 C000533 Big Sandy 2022-01-012022-12-31 C000533 0139 MORGAN FORK, BETSY LANE, 3, 0.1, 795 ACSR 2022-01-012022-12-31 C000533 0140 BONNYMAN, SOFT SHELL, 1, 19.15, 1590 KCM ACSS 2022-01-012022-12-31 C000533 Deferred Rev-Bonus Lease 2022-01-012022-12-31 C000533 ferc:AllocationOfPayrollChargedForClearingAccountsMember 2022-01-012022-12-31 C000533 KY Under-recovered PPA Rider 2022-12-31 C000533 Unrecovered Plant - Big Sandy Kentucky PSC Case No. 2014-00396 2022-12-31 C000533 0102 BELLEFONTE, KY, N PROCTORVILLE, OH, 3, 0.81, 795 KCM ACSR 2022-01-012022-12-31 C000533 ferc:ElectricUtilityMember Reg Asset - SFAS 112 2021-12-31 C000533 SILOAM - KY, Distribution, , 69, 12, , 4.679, 1, ,  2022-01-012022-12-31 C000533 Fleet and Vehicle Charges, AEP Texas 2022-01-012022-12-31 C000533 Sales and Use, Sales And Use Tax, WV, 2021 2022-01-012022-12-31 C000533 BELFRY - KY, Distribution, , 46, 12, , 10.5, 1, ,  2022-01-012022-12-31 C000533 Kentucky PSC Investigation 2022-01-012022-12-31 C000533 Hazard Station Rehab, 7698112ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Lisa M. Barton, Vice President 2022-01-012022-12-31 C000533 PJM Trans Enhancement Rev Various Various FNO 2022-01-012022-12-31 C000533 ferc:SchedulingSystemControlAndDispatchMember 2022-01-012022-12-31 C000533 BURDINE - KY, Distribution, , 46, 12, , 7.5, 1, ,  2022-01-012022-12-31 C000533 JENKINS - KY, Distribution, , 69, 12, , 10.5, 1, ,  2022-12-31 C000533 ferc:PayrollTaxMember 2022-12-31 C000533 0, 0 2022-12-31 C000533 Leon-Morehead 69 kV Rehab, 4413029 2022-01-012022-12-31 C000533 State Tax, State Tax, CA, 2022 2022-01-012022-12-31 C000533 Property Tax, Property Tax, KY, 2020 2022-12-31 C000533 Other State Tax, Other State Tax, OH, 2022 2022-12-31 C000533 PJM INTERCONNECTION, OS, NOTE 1 2022-01-012022-12-31 C000533 Mark-to-Market of Risk Management Contracts 2022-01-012022-12-31 C000533 368, 157102, 2022-01-012022-12-31 C000533 Customer deposits 2022-01-012022-12-31 C000533 ferc:NitrogenOxideMember 2022-01-012022-12-31 C000533 Sales and Use, Sales And Use Tax, OH, 2022ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 ferc:ElectricUtilityMember ML PCC U0 Lime Conversion 117, 1243002 2022-12-31 C000533 RUSSELL - KY, Distribution, , 69, 12, , 22.4, 1, ,  2022-01-012022-12-31 C000533 0139 MORGAN FORK, BEAVER CREEK, 3, 0.1, 795 ACSR 2022-01-012022-12-31 C000533 Sales and Use, Sales And Use Tax, WV, 2022 2022-12-31 C000533 BIG SANDY 138KV - KY, Transmission, , 138, 69.5, 13.2, 128.8, 1, ,  2022-01-012022-12-31 C000533 ferc:OtherAdValoremTaxMember 2022-12-31 C000533 Property Tax, Property Tax, WV, 2022 2022-12-31 C000533 0110 BEAVER CREEK, KY, BIG SANDY, KY, 2, 22.86, 636KCM ACSR 2022-01-012022-12-31 C000533 Long Term Issuances Costs 2021-01-012021-12-31 C000533 Sales and Use, Sales And Use Tax, KY, 2017 2021-12-31 C000533 FORDS BRANCH STEPDOWN - KY, Distribution, , 34.5, 12, , 3.75, 1, ,  2022-12-31 C000533 0109 BEAVER CREEK, SPRIGG #3, , 0, 2022-01-012022-12-31 C000533 B: Electric R&D External, 6 items under $50,000 2022-01-012022-12-31 C000533 20221208-5094                  , 44903, ER17-405 2022-01-012022-12-31 C000533 KY ELG Deferral 2022-12-31 C000533 Other License and Fees Tax, Other License And Fees Tax, KY, 2020 2022-01-012022-12-31 C000533 ferc:SalesAndUseTaxMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 0701 BIG SANDY, KY, SARGENTS, OH, 3, 4.79, 2022-01-012022-12-31 C000533 Distribution Expenses - Maintenance, OPCO 2022-01-012022-12-31 C000533 Ramey Substation (4205)ferc:LandAndRightsMember 2022-01-012022-12-31 C000533 ferc:OtherUseTaxMember 2022-01-012022-12-31 C000533 THELMA - KY, Transmission, , 138, 69, 46, 70, 1, ,  2022-01-012022-12-31 C000533 Trnsrce OU Acctg for Def Asset 2021-12-31 C000533 ferc:SeveranceTaxMember 2022-12-31 C000533 STATE UNEMPLOYMENT 2022, Unemployment Tax, KY, 2021-12-31 C000533 Deferred Revenue 2021-12-31 C000533 0122 INEZ, LOVELY, 1, 6.86, 1033.5 VAR 2022-01-012022-12-31 C000533 Regulatory Services, AEPSC 2022-01-012022-12-31 C000533 Construction Services, WPCo 2022-01-012022-12-31 C000533 0119 BETSY LAYNE, ALLEN, 3, 0.22, 1033.5KCM ACSR 2022-01-012022-12-31 C000533 SILOAM - KY, Distribution, , 69, 12, , 4.679, 1, ,  2022-12-31 C000533 ferc:PropertyTaxMember 2021-12-31 C000533 HENRY CLAY - KY, Distribution, , 46, 0, 0, 0, , , STATCAP 2022-12-31 C000533 HAZARD - KY, Transmission, , 69, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 Property Tax, Property Tax, KY, 2021 2021-12-31 C000533 Unamortized Credit Line Fees 2022-01-012022-12-31 C000533 ferc:NonUtilityMember Others 2021-12-31 C000533 State Tax, State Tax, KY, 2017 2021-12-31 C000533 SFAS 112 Post Employment Benefit 2022-01-012022-12-31 C000533 STATE UNEMPLOYMENT 2022, Unemployment Tax, OH, 2022-12-31 C000533 Miscellaneous Items 2022-01-012022-12-31 C000533 TV Pole Attachments 2022-12-31 C000533 THELMA - KY, Transmission, , 138, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 183 - Prelim Surveyferc:AllocationOfPayrollChargedForClearingAccountsMember 2022-01-012022-12-31 C000533 Industrial General Service C 2022-01-012022-12-31 C000533 ferc:SeveranceTaxMember 2021-12-31 C000533 389.1, 36, 2022-01-012022-12-31 C000533 OSS Margin Sharing Kentucky PSC Case No. 2017-00179 2021-12-31 C000533 Over Recovered Fuel Cost 2022-01-012022-12-31 C000533 Contract Service – Interruptible Power I 2022-01-012022-12-31 C000533 ferc:ElectricUtilityMember Leon-Morehead 69 kV Rehab, 4413029 2022-12-31 C000533 185 - ODD Temporary Facilitiesferc:DirectPayrollDistributionMember 2022-01-012022-12-31 C000533 BARRENSHE - KY, Distribution, , 69, 12, , 25, 1, ,  2022-01-012022-12-31 C000533 186 - Misc Deferred Debitsferc:DirectPayrollDistributionMember 2022-01-012022-12-31 C000533 ferc:OtherUtilityMember OTHER 2022-12-31 C000533 Miscellaneous Items 2021-12-31 C000533 ferc:ElectricUtilityMemberferc:FuelTaxMember 2022-01-012022-12-31 C000533 Other State Tax, Other State Tax, OH, 2022ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 SFAS 109 Deferred SIT 2021-12-31 C000533 Customer Advance Receipts 2022-12-31 C000533 State Tax, State Tax, MI, 2021 2022-12-31 C000533 Kentucky Reliability 2022-12-31 C000533 MORGAN FORK - KY, Transmission, , 138, 0, 0, 0, , , STATCAP 2022-12-31 C000533 BUSSEYVILLE - KY, Distribution, , 138, 34.5, , 55, 2, ,  2022-01-012022-12-31 C000533 0, 0 2022-01-012022-12-31 C000533 State Tax, State Tax, MI, 2019 2022-12-31 C000533 Residential Service C 2022-01-012022-12-31 C000533 East Kentucky Power Cooperative Various Various OLF 2022-01-012022-12-31 C000533 A(3): Distribution, 1 items under $50,000 2022-01-012022-12-31 C000533 Trnsrce OU Acctg for Def Asset 2022-12-31 C000533 Noneferc:GenerationStudiesMember 2022-01-012022-12-31 C000533 ferc:OperatingUtilityMember 2022-12-31 C000533 State Commission Fees 2022-12-31 C000533 SALISBURY (KP) - KY, Distribution, , 46, 13.09, , 20, 1, ,  2022-01-012022-12-31 C000533 OHIO POWER COMPANY (AUCTION), OS, NOTE 1 2022-01-012022-12-31 C000533 Unrecovered Fuel Cost 2022-12-31 C000533 Other State Tax, Other State Tax, OH, 2022 2022-01-012022-12-31 C000533 185 - ODD Temporary Facilities 2022-01-012022-12-31 C000533 311 - Mitchell, 57416, 2022-01-012022-12-31 C000533 JOHNS CREEK - KY, Transmission, , 138, 0, 0, 0, , , STATCAP 2022-12-31 C000533 BULAN - KY, Distribution, , 69, 12, , 9.375, 1, ,  2022-01-012022-12-31 C000533 KIMPER - KY, Distribution, , 69, 12, , 9.375, 1, ,  2022-01-012022-12-31 C000533 2022 KY 2022-12-31 C000533 ferc:TransmissionStudiesMember AF1-130, 6039 2022-01-012022-12-31 C000533 State Tax, State Tax, IL, 2022 2021-12-31 C000533 FICA, Federal Insurance Tax, , 2022-01-012022-12-31 C000533 OSS Margin Sharing 2022-12-31 C000533 ferc:NextTwelveMonthsMemberferc:SulfurDioxideMember 2021-12-31 C000533 SIDNEY - KY, Distribution, , 69, 12, , 20, 1, ,  2022-01-012022-12-31 C000533 Other Debit or Cr. Items (Describe, details in footnote):ferc:ElectricUtilityMemberferc:ElectricPlantInServiceMember 2022-01-012022-12-31 C000533 WEEKSBURY - KY, Distribution, , 69, 12, , 6.25, 1, ,  2022-12-31 C000533 KPCo-D Baseline Work, 11139086ferc:ElectricUtilityMember 2022-12-31 C000533 CCS FEED Study Costs Kentucky PSC Case No. 2014-00396 2022-12-31 C000533 Civil & Political Activities and Other Svcs, AEPSC 2022-01-012022-12-31 C000533 ferc:StateTaxMember 2021-12-31 C000533 Customer deposits 2021-01-012021-12-31 C000533 Rockport Capacity Deferral Kentucky PSC Case No. 2017-00179 2022-12-31 C000533 0 2022-01-012022-12-31 C000533 Other State Tax, Other State Tax, KY, 2021ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 ferc:PenaltyTaxMember 2022-12-31 C000533 LOVELY - KY, Distribution, , 138, 34, , 30, 1, ,  2022-12-31 C000533 0126 INEZ, MARTIKI, 1, 0.3, 336.4 KCM ACSR 2022-01-012022-12-31 C000533 Other State Tax, Other State Tax, WV, 2020 2021-12-31 C000533 ferc:ElectricUtilityMember NOL State Deferred Tax Asset 2021-12-31 C000533 State Tax, State Tax, KY, 2017 2022-01-012022-12-31 C000533 BECKHAM - KY, Distribution, , 138, 34.5, , 30, 1, ,  2022-12-31 C000533 SFAS 158 Employers' Accounting for Defined Benefit Pension and Other Postretirement Plans 2022-12-31 C000533 ferc:ElectricPollutionControlFacilitiesMember 2022-12-31 C000533 ferc:FederalTaxMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 ferc:OtherElectricUtilityMember 2021-12-31 C000533 HAZARD - KY, Transmission, , 138, 69, 12, 180, 2, ,  2022-01-012022-12-31 C000533 Local Tax, Local Tax, , 2021 2021-12-31 C000533 353.16, 6122, 2022-01-012022-12-31 C000533 ferc:AdValoremTaxMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 ferc:SeveranceTaxMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 ferc:OtherUtilityOrNonutilityMember 0 2022-01-012022-12-31 C000533 Property Tax, Property Tax, KY, 2022 2022-01-012022-12-31 C000533 DORTON - KY, Transmission, , 138, 70.5, 46, 144, 2, ,  2022-12-31 C000533 HAZARD - KY, Transmission, , 138, 36.2, , 30, 1, ,  2022-12-31 C000533 ferc:OtherPropertyTaxMember 2021-12-31 C000533 AMEREX POWER, LTD, OS, NOTE 1 2022-01-012022-12-31 C000533 SFAS 106 Medicare SubsidyAmortz period: Jan 2013 - Dec 2024 2022-12-31 C000533 Mark-to-Market 2022-01-012022-12-31 C000533 2020-12-31 C000533 BAKER 765KV - KY, Transmission, , 69, 12, , 10.5, 0, 1,  2022-12-31 C000533 A(2): Transmission, 1 item under $50,000 2022-01-012022-12-31 C000533 0ferc:NovemberMember 2022-01-012022-12-31 C000533 ferc:JulyMember 0 2022-01-012022-12-31 C000533 KENWOOD - KY, Distribution, , 46, 12, , 20, 1, ,  2022-01-012022-12-31 C000533 KY Next Generation Radio Sys, 1116561 2022-01-012022-12-31 C000533 ML PCC U0 ELG Compliance - 117, 10010727ferc:ElectricUtilityMember 2022-12-31 C000533 ferc:SulfurDioxideMember Allowances Used 2022-01-012022-12-31 C000533 Deferred Gain: Fiber Optic Agrmts-In Kind SvcAmortize through June 2026 2022-01-012022-12-31 C000533 Senior Unsecured Notes - 3.13%, Series F 2022-01-012022-12-31 C000533 DAISY - KY, Distribution, , 69, 0, 0, 0, , , STATCAP 2022-12-31 C000533 CITIGROUP ENERGY INC., OS, NOTE 1 2022-01-012022-12-31 C000533 ML PCC U2 Cooling Twr Cmp 117, 2830874 2022-01-012022-12-31 C000533 SECOND FORK - KY, Distribution, , 69, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 DEWEY - KY, Transmission, , 138, 69, 12, 90, 1, ,  2022-01-012022-12-31 C000533 NERC Compliance and Cybersecurity Costs Kentucky PSC Case No. 2014-00396 2021-12-31 C000533 HIGHLAND (KP) - KY, Distribution, , 69, 13.09, , 25, 1, ,  2022-12-31 C000533 CHADWICK - KY, Transmission, , 138, 69, 34.5, 200, 1, ,  2022-01-012022-12-31 C000533 KY T Work, 1613817 2022-01-012022-12-31 C000533 0143 HAZARD, WOOTON, 2, 3.58, 795 KCM ACSR 2022-01-012022-12-31 C000533 DAISY - KY, Distribution, , 69, 12, , 4.7, 1, ,  2022-01-012022-12-31 C000533 WS-CI-KEPCo-G PPBferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 SFAS 106 Medicare SubsidyAmortz period: Jan 2013 - Dec 2024 2021-12-31 C000533 PJM RTEP Costs Deferral 2022-01-012022-12-31 C000533 2021 PJM Transmission True-up 2022-01-012022-12-31 C000533 BEEFHIDE - KY, Distribution, , 138, 34.5, , 20, 1, ,  2022-01-012022-12-31 C000533 ferc:ElectricUtilityMember KPCo T Work 3, 8220577 2022-12-31 C000533 Mark-to-Marketferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 State Tax, State Tax, WV, 2020 2022-12-31 C000533 State Tax, State Tax, IL, 2017 2022-12-31 C000533 0129 BEAVER CREEK, JOHNS CREEK, 3, 22.25, 1033.5KCM ACSR 2022-01-012022-12-31 C000533 Post In-Service AFUDC Hanging Rock/Jefferson 765 KV LineAmortz period: Dec 1984 - Nov 2032 2022-01-012022-12-31 C000533 Excise Tax, Excise Tax, , 2022 2022-01-012022-12-31 C000533 ferc:ElectricUtilityMember 7% 2022-01-012022-12-31 C000533 Home Energy Assistance Program 2022-01-012022-12-31 C000533 CHAVIES - KY, Distribution, , 69, 12, , 3.75, 1, ,  2022-01-012022-12-31 C000533 Steam Power Generation - Operation, WPCO 2022-01-012022-12-31 C000533 0ferc:DecemberMember 2022-01-012022-12-31 C000533 Big Sandy Recovery Over/Under Kentucky PSC Case No. 2014-00396 2022-12-31 C000533 Senior Unsecured Notes - 8.130%, State Commission Authority Case # 2008-00442 2022-12-31 C000533 Customer Advance Receipts 2022-01-012022-12-31 C000533 Amortization of Regulatory Debits and Credits (Net) 2022-01-012022-12-31 C000533 BARRENSHE - KY, Distribution, , 69, 12, , 25, 1, ,  2022-12-31 C000533 Items under $250,000ferc:LandAndRightsMember 2022-12-31 C000533 219 , b,  21 2022-01-012022-12-31 C000533 Depreciation Expense - Hanging Rock/Jefferson 765 KV LineAmortz period: Dec 1984 - Nov 2032 2022-01-012022-12-31 C000533 Acquired Assets 2021-01-012021-12-31 C000533 ferc:PenaltyTaxMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 TOTAL TRANSMISSION, 787932, 2022-01-012022-12-31 C000533 ferc:UnemploymentTaxMember 2021-12-31 C000533 FLEMING - KY, Transmission, , 138, 69, 46, 130, 1, ,  2022-01-012022-12-31 C000533 State Tax, State Tax, KY, 2015 2022-12-31 C000533 STATE UNEMPLOYMENT 2022, Unemployment Tax, WV, 2021-12-31 C000533 BAKER 765KV - KY, Transmission, , 69, 4, , 3, 0, 1,  2022-01-012022-12-31 C000533 TENTH STREET - KY, Distribution, , 69, 13.09, , 25, 1, ,  2022-12-31 C000533 State Tax, State Tax, CA, 2022 2022-12-31 C000533 KPCo D Work 2, 4272287ferc:ElectricUtilityMember 2022-12-31 C000533 Deferred Depreciation - Environmental Kentucky PSC Case No. 2014-00396 2022-12-31 C000533 Other State Tax, Other State Tax, KY, 2020 2021-12-31 C000533 Property Tax, Property Tax, KY, 2019 2021-12-31 C000533 HAZARD - KY, Transmission, , 34.5, 12, , 9.375, 1, ,  2022-01-012022-12-31 C000533 PJM Greenhat Default Deferral 2022-01-012022-12-31 C000533 Use of Jointly Owned Facility, KYTCo 2022-01-012022-12-31 C000533 Int Exp Capd for Tax 2022-01-012022-12-31 C000533 Senior Unsecured Notes - 4.12%, Series I 2022-01-012022-12-31 C000533 PJM Network Integ Rev - Affil Various Various FNO 2022-01-012022-12-31 C000533 0116 BEAVER CREEK, SPICEWOOD, 3, 0.63, 1590 KCM 2022-01-012022-12-31 C000533 ferc:OtherLicenseAndFeesTaxMember 2021-12-31 C000533 163 - Stores Expense Undistributed 2022-01-012022-12-31 C000533 ferc:PropertyTaxMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 312 - Big Sandy, 77749, 2022-01-012022-12-31 C000533 KPCo D Work 1, 1074435ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Other License and Fees Tax, Other License And Fees Tax, KY, 2020 2021-12-31 C000533 STEAM -- COAL/LIGNITE, , 2022-01-012022-12-31 C000533 Deferred Gain: Fiber Optic Agrmts-In Kind SvcAmortize through June 2026 2022-12-31 C000533 Cost of Removal-Big Sandy CoalKentucky PSC Case No. 2014-00396 2022-12-31 C000533 AG2-685, 76 2022-01-012022-12-31 C000533 312 - Mitchell, 884212, 2022-01-012022-12-31 C000533 INDEX - KY, Distribution, , 69, 12, , 9.4, 1, ,  2022-12-31 C000533 KYPCo Trans Pre Eng Parent, 4263720ferc:ElectricUtilityMember 2022-12-31 C000533 HAZARD - KY, Transmission, , 138, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 Infrastructure Ops & Support, AEPSC 2022-01-012022-12-31 C000533 Franchise Tax, Franchise Tax, KY, 2017 2022-12-31 C000533 ferc:ElectricUtilityMemberferc:DistributionPlantMember 2022-01-012022-12-31 C000533 KY Under-recovered PPA Rider 2021-12-31 C000533 State Tax, State Tax, CA, 2020 2022-12-31 C000533 ferc:IncomeTaxMember 2021-12-31 C000533 ferc:OtherUseTaxMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 ENGLE - KY, Distribution, , 69, 34.5, , 20, 1, ,  2022-01-012022-12-31 C000533 BAKER 765KV - KY, Transmission, , 765, 345, 34.5, 1500, 3, ,  2022-12-31 C000533 FLEMING - KY, Transmission, , 69, 12, , 20, 1, ,  2022-12-31 C000533 ROW Capital Widening & Removalferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Therace M. Risch, Vice President 2022-01-012022-12-31 C000533 2021-12-31 C000533 Acquired Assets 2022-01-012022-12-31 C000533 Central Machine Shop, APCo 2022-01-012022-12-31 C000533 KPCo T Work 5, 1901412 2022-01-012022-12-31 C000533 0143 HAZARD, WOOTON, 1, 0.98, 795 KCM ACSR 2022-01-012022-12-31 C000533 DEWEY - KY, Transmission, , 138, 34.5, , 25, 1, ,  2022-01-012022-12-31 C000533 WEEKSBURY - KY, Distribution, , 69, 12, , 6.25, 1, ,  2022-01-012022-12-31 C000533 VICCO - KY, Distribution, , 138, 34.5, , 30, 1, ,  2022-01-012022-12-31 C000533 Franchise Tax, Franchise Tax, KY, 2018 2021-12-31 C000533 Depreciation Expense - Hanging Rock/Jefferson 765 KV LineAmortz period: Dec 1984 - Nov 2032 2022-12-31 C000533 0116 BEAVER CREEK, SPICEWOOD, 1, 25.83, 795 MCMA 2022-01-012022-12-31 C000533 BEAVER CREEK - KY, Transmission, , 138, 0, 0, 0, , , Reactor 2022-12-31 C000533 State Tax, State Tax, MI, 2017 2022-01-012022-12-31 C000533 Sales and Use, Sales And Use Tax, WV, 2022 2022-01-012022-12-31 C000533 Other State Tax, Other State Tax, KY, 2020 2022-01-012022-12-31 C000533 Home Energy Assistance Program 2022-12-31 C000533 INEZ - KY, Transmission, , 138, 0, 0, 0, , , STATCAP 2022-12-31 C000533 JOHNS CREEK - KY, Transmission, , 138, 70.5, 36.2, 54, 1, ,  2022-01-012022-12-31 C000533 KPCo T Work 3, 8220577 2022-01-012022-12-31 C000533 Franchise Tax, Franchise Tax, KY, 2018 2022-01-012022-12-31 C000533 MCKINNEY - KY, Distribution, , 46, 34, , 20, 1, ,  2022-01-012022-12-31 C000533 CEDAR CREEK - KY, Transmission, , 138, 34.5, , 25, 0, 1,  2022-01-012022-12-31 C000533 LESLIE - KY, Transmission, , 69, 34.5, , 30, 1, ,  2022-12-31 C000533 AF1-162, 2426 2022-01-012022-12-31 C000533 STONE - KY, Transmission, , 138, 70500, 46, 90, 1, ,  2022-12-31 C000533 0, 0 2022-01-012022-12-31 C000533 Large General Service C 2022-01-012022-12-31 C000533 ferc:DirectPayrollDistributionMember 152 - Fuel Stock Undistributed 2022-01-012022-12-31 C000533 Sales and Use, Sales And Use Tax, KY, 2017 2022-12-31 C000533 ferc:DirectPayrollDistributionMember 2022-01-012022-12-31 C000533 Christian T. Beam, Executive Vice President, Energy Services 2022-01-012022-12-31 C000533 Deferred Fuel Costs 2022-01-012022-12-31 C000533 Other License and Fees Tax, Other License And Fees Tax, KY, 2019 2022-01-012022-12-31 C000533 RACELAND - KY, Distribution, , 69, 2.4, , 7.5, 1, ,  2022-01-012022-12-31 C000533 ferc:FederalInsuranceTaxMember 2022-12-31 C000533 General Service 2022-01-012022-12-31 C000533 ferc:NonUtilityMember Others 2022-01-012022-12-31 C000533 Physical & Cyber Security, AEPSC 2022-01-012022-12-31 C000533 ferc:OtherStateTaxMember 2022-01-012022-12-31 C000533 Steam Maintenance Levelized Reg LiabilityKY Case No. 2017-00179 2022-01-012022-12-31 C000533 ferc:FederalTaxMember 2021-12-31 C000533 Other License and Fees Tax, Other License And Fees Tax, KY, 2019 2022-12-31 C000533 22 KYP Case Rockport Deferral 2022-01-012022-12-31 C000533 0115 CHADWICK, COALTON, 1, 0.98, 795 MCMA 2022-01-012022-12-31 C000533 Property Tax, Property Tax, KY, 2020 2021-12-31 C000533 FEDS CREEK - KY, Distribution, , 69, 12, , 22.339, 1, ,  2022-01-012022-12-31 C000533 NERC Compliance and Cybersecurity Costs Kentucky PSC Case No. 2014-00396 2022-12-31 C000533 Steam Power Generation - Maintenance, AEPSC 2022-01-012022-12-31 C000533 AEPSC KY Power Ebon Case 2022-12-31 C000533 OLIVE HILL - KY, Distribution, , 69, 4, , 5, 1, ,  2022-01-012022-12-31 C000533 KY ELG Deferral 2022-01-012022-12-31 C000533 ferc:ExciseTaxMember 2021-12-31 C000533 STONE - KY, Transmission, , 138, 70500, 46, 90, 1, ,  2022-01-012022-12-31 C000533 BEAVER CREEK - KY, Transmission, , 138, 34.5, , 30, 1, ,  2022-12-31 C000533 State Tax, State Tax, IL, 2022ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 ferc:ElectricUtilityMemberferc:OtherTaxesAndFeesMember 2022-01-012022-12-31 C000533 ferc:TransmissionStudiesMember PJM - #AF2-018, -591 2022-01-012022-12-31 C000533 ferc:TransmissionStudiesMember AF1-162, 2426 2022-01-012022-12-31 C000533 State Tax, State Tax, KY, 2018 2021-12-31 C000533 ferc:OtherUtilityMember OTHER 2022-01-012022-12-31 C000533 ferc:ElectricUtilityMember Other 2022-12-31 C000533 315 - Big Sandy, 6359, 2022-01-012022-12-31 C000533 366, 9694, 2022-01-012022-12-31 C000533 Sales and Use, Sales And Use Tax, KY, 2022 2022-01-012022-12-31 C000533 SOUTH SHORE - KY, Distribution, , 69, 13.09, , 7.5, 1, ,  2022-01-012022-12-31 C000533 KY Steam Maint O/U 2022-12-31 C000533 KPCo D Work 2, 4272287 2022-01-012022-12-31 C000533 ferc:ExciseTaxMember 2022-01-012022-12-31 C000533 CHADWICK - KY, Transmission, , 138, 69, 34.5, 200, 1, ,  2022-12-31 C000533 Leslie Station Rehab, 2969774ferc:ElectricUtilityMember 2022-12-31 C000533 Rate Cases Expenses 2021-12-31 C000533 AG2-682, 64ferc:TransmissionStudiesMember 2022-01-012022-12-31 C000533 Paul Chodak, Vice President 2022-01-012022-12-31 C000533 ML PCC U0 Lime Conversion 117, 1243002 2022-01-012022-12-31 C000533 ferc:SulfurDioxideMember 2021-12-31 C000533 ferc:MiscellaneousOtherTaxMember 2021-12-31 C000533 Property Tax, Property Tax, WV, 2020 2021-12-31 C000533 ferc:ElectricUtilityMemberferc:SteamProductionPlantMember 2022-01-012022-12-31 C000533 Provision Revenue Refunds 2022-01-012022-12-31 C000533 Property Tax, Property Tax, KY, 2022 2022-12-31 C000533 HAZARD - KY, Transmission, , 161, 138, 11, 135, 3, ,  2022-01-012022-12-31 C000533 Kentucky Solar Filing 2022-12-31 C000533 ferc:RealEstateTaxMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 0106 DORTON, FLEMING, 3, 0.83, 795 MCMA 2022-01-012022-12-31 C000533 THELMA - KY, Transmission, , 46, 0, 0, 0, , , STATCAP 2022-12-31 C000533 SFAS 109 Deferred FIT 2022-01-012022-12-31 C000533 0154 Racoon Extension, , 1, 0.2, 1033.5KCM ACSR 2022-01-012022-12-31 C000533 Depreciation Expense - Hanging Rock/Jefferson 765 KV LineAmortz period: Dec 1984 - Nov 2032 2021-12-31 C000533 SFAS 112 Post Employment Benefit 2021-12-31 C000533 State Tax, State Tax, WV, 2021 2022-01-012022-12-31 C000533 AEP Service Corporation Billings 2022-01-012022-12-31 C000533 356.16, 4579, 2022-01-012022-12-31 C000533 316 - Big Sandy, 4553, 2022-01-012022-12-31 C000533 Excise Tax, Excise Tax, , 2022 2021-12-31 C000533 Emission Allowancesferc:ElectricUtilityMember 2021-12-31 C000533 ferc:SalesAndUseTaxMember 2021-12-31 C000533 State Tax, State Tax, IL, 2022 2022-01-012022-12-31 C000533 ferc:ElectricUtilityMember Capitalized Software - Book 2022-01-012022-12-31 C000533 REEDY COAL - KY, Distribution, , 69, 34, , 20, 1, ,  2022-12-31 C000533 KY D Work, 1248712 2022-01-012022-12-31 C000533 392, 19899, 2022-01-012022-12-31 C000533 None 2022-01-012022-12-31 C000533 David M. Feinberg, Vice President and Secretary 2022-01-012022-12-31 C000533 Deferred Depreciation - Environmental Kentucky PSC Case No. 2014-00396 2022-01-012022-12-31 C000533 State Tax, State Tax, MI, 2021 2022-01-012022-12-31 C000533 Allowance 2022-01-012022-12-31 C000533 ferc:ElectricUtilityMember KPCo T Work 1, 3592336 2022-12-31 C000533 Other 2022-01-012022-12-31 C000533 Post In-Service AFUDC Hanging Rock/Jefferson 765 KV LineAmortz period: Dec 1984 - Nov 2032 2021-12-31 C000533 UNEMPLOYMENT 2022, Unemployment Tax, ,ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Provision Revenue Refundsferc:ElectricUtilityMember 2022-12-31 C000533 22 KYP Case Rockport Deferral 2022-12-31 C000533 KPCo-D Baseline Work, 11139086 2022-01-012022-12-31 C000533 GRAHN - KY, Distribution, , 69, 12, , 3.13, 1, ,  2022-12-31 C000533 PJM Trans Enhancement Rev Whlsle Various Various FNO 2022-01-012022-12-31 C000533 State Tax, State Tax, MULTI, 2019 2022-01-012022-12-31 C000533 SFAS 109 Deferred FIT 2021-12-31 C000533 State Tax, State Tax, KY, 2022 2021-12-31 C000533 ferc:GeneralPlantMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 NBV - AROs Retired PlantsKentucky PSC Case No. 2014-00396 2022-01-012022-12-31 C000533 STATE UNEMPLOYMENT 2022, Unemployment Tax, WV, 2022-12-31 C000533 0100 BIG SANDY, KY, BELLEFONTE, 3, 14.77, 795 KCM ACSR 2022-01-012022-12-31 C000533 WURTLAND - KY, Distribution, , 69, 12, , 20, 1, ,  2022-01-012022-12-31 C000533 Outdoor Lighting I 2022-01-012022-12-31 C000533 Street Lighting 2022-01-012022-12-31 C000533 FIRSTENERGY TRADING SERVICES, OS, NOTE 1 2022-01-012022-12-31 C000533 ferc:LocalTaxMember 2022-01-012022-12-31 C000533 BECKHAM - KY, Distribution, , 138, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 COLLIER - KY, Distribution, , 69, 34, , 25, 1, ,  2022-01-012022-12-31 C000533 T/KP/Capital Blanket - KYPCoferc:ElectricUtilityMember 2022-12-31 C000533 Accrued Book Pensionferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Senior Unsecured Notes - 5.625%, Series D 2022-12-31 C000533 Federal Tax, Federal Tax, , 2022-01-012022-12-31 C000533 KYPCo Distr Pre Eng Parent, 3808012 2022-01-012022-12-31 C000533 Ed-Ci-Kepco-D Ast Imp, 3407503ferc:ElectricUtilityMember 2022-12-31 C000533 State Tax, State Tax, CA, 2021 2022-12-31 C000533 NGUCS Weddington & Leatherwood, 1007104ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 FISHTRAP - KY, Distribution, , 69, 12, , 3.75, 1, ,  2022-12-31 C000533 COLEMAN - KY, Distribution, , 69, 34.5, , 20, 1, ,  2022-01-012022-12-31 C000533 Rate Cases Expenses 2022-12-31 C000533 ferc:SulfurDioxideMemberferc:ThreeYearsMember 2022-12-31 C000533 Residential Service R 2022-01-012022-12-31 C000533 20221101-5174                , 44866, ER17-405 2022-01-012022-12-31 C000533 CHAVIES - KY, Distribution, , 69, 0, 0, 0, , , STATCAP 2022-01-012022-12-31 C000533 ferc:IntangiblePlantMemberferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 417 - Misc Exp 2022-01-012022-12-31 C000533 Mitchell-KEPCo Share 2022-01-012022-12-31 C000533 394, 6977, 2022-01-012022-12-31 C000533 FORTY SEVENTH STREET - KY, Distribution, , 69, 13.09, , 12, 1, ,  2022-01-012022-12-31 C000533 Distribution Expenses - Operation, AEPSC 2022-01-012022-12-31 C000533 KEYSER - KY, Distribution, , 69, 12, , 20, 1, ,  2022-12-31 C000533 SHAMROCK - KY, Distribution, , 69, 34.5, , 10.5, 1, ,  2022-12-31 C000533 KPCo - T BlnktProj Under $3M, 2291575ferc:ElectricUtilityMember 2022-12-31 C000533 Building and Property Leases, AEPSC 2022-01-012022-12-31 C000533 ferc:CurrentYearMemberferc:SulfurDioxideMember 2021-12-31 C000533 , 1 items under $50,000 2022-01-012022-12-31 C000533 Netting of Trading Activities related toUnrealized Gains/Losses on Forward Commitmentsbetween Regulated Assets/Liabilities 2022-12-31 C000533 M&S - Retiring PlantsKentucky PSC Case No. 2014-00396 2022-01-012022-12-31 C000533 Leslie Station Rehab, 2969774ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 GRAHN - KY, Distribution, , 69, 12, , 3.13, 1, ,  2022-01-012022-12-31 C000533 PJM - #AF2-018, -591 2022-01-012022-12-31 C000533 State Tax, State Tax, IL, 2021 2022-01-012022-12-31 C000533 TENTH STREET - KY, Distribution, , 69, 13.09, , 25, 1, ,  2022-01-012022-12-31 C000533 ferc:SulfurDioxideMember Purchases/Transfers: 2022-01-012022-12-31 C000533 ferc:OtherUseTaxMember 2022-12-31 C000533 Cost of Removal-Big Sandy CoalKentucky PSC Case No. 2014-00396 2021-12-31 C000533 2021 PJM Transmission True-up 2022-01-012022-12-31 C000533 ScheduleTransmissionOfElectricityByIsoOrRtoAbstract 2022-01-012022-12-31 C000533 ELWOOD (KP) - KY, Distribution, , 46, 0, 0, 0, , , STATCAP 2022-12-31 C000533 Trnsrce OU Acctg for Def Asset 2022-01-012022-12-31 C000533 Reg Asset - SFAS 112 2022-01-012022-12-31 C000533 State Tax, State Tax, MI, 2019 2022-01-012022-12-31 C000533 4% 2022-01-012022-12-31 C000533 KPCo - D Work, 4007380ferc:ElectricUtilityMember 2022-01-012022-12-31 C000533 Unrecovered C 2022-01-012022-12-31 C000533 ferc:OtherUtilityMember 2021-12-31 C000533 State Tax, State Tax, WV, 2018 2022-12-31 C000533 Agency Fees - Factored A/R 2022-01-012022-12-31 C000533 ferc:OtherTaxMember 2022-12-31 C000533 State Tax, State Tax, WV, 2019 2021-12-31 C000533 Outdoor Lighting R 2022-01-012022-12-31 C000533 Residential Load Management‐Time‐of‐Day R 2022-01-012022-12-31 C000533 BUSSEYVILLE - KY, Distribution, , 138, 34.5, , 55, 2, ,  2022-12-31 C000533 184 - Clearing Accountsferc:DirectPayrollDistributionMember 2022-01-012022-12-31 C000533 Big Sandy 2022-12-31 C000533 ferc:OtherFederalTaxMember 2021-12-31 C000533 ferc:ElectricUtilityMember