CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
CURRENT ASSETS
Accounts Receivable, after Allowance for Credit Loss, Current	$ 164.6	$ 162.3
Accrued unbilled revenues	62.3	65.0
Income taxes receivable	1.0	2.6
Fuel inventories	64.3	40.6
Materials and supplies, at average cost	119.5	117.9
Fuel clause under recoveries	182.3	151.9
Other	63.4	73.3
Total current assets	657.4	613.6
OTHER PROPERTY AND INVESTMENTS
Other	116.6	120.0
Total other property and investments	1,184.0	905.1
PROPERTY, PLANT AND EQUIPMENT
In service	14,111.7	13,899.8
Construction work in progress	229.6	252.0
Total property, plant and equipment	14,341.3	14,151.8
Less: accumulated depreciation	4,370.0	4,318.9
Net property, plant and equipment	9,971.3	9,832.9
DEFERRED CHARGES AND OTHER ASSETS
Regulatory assets	1,256.7	1,230.8
Other	24.2	24.0
Total deferred charges and other assets	1,280.9	1,254.8
TOTAL ASSETS	13,093.6	12,606.4
CURRENT LIABILITIES
Short-term debt	731.5	486.9
Accounts payable	300.9	274.0
Dividends payable	82.1	82.1
Customer deposits	81.5	81.1
Accrued taxes	39.9	52.9
Accrued interest	42.6	40.8
Accrued compensation	26.0	37.7
Other	38.3	34.1
Total current liabilities	1,342.8	1,089.6
LONG-TERM DEBT	4,497.0	4,496.4
DEFERRED CREDITS AND OTHER LIABILITIES
Accrued benefit obligations	148.8	159.8
Deferred income taxes	1,385.6	1,333.3
Deferred investment tax credits	14.2	12.8
Regulatory liabilities	1,223.3	1,231.1
Other	219.2	227.1
Total deferred credits and other liabilities	2,991.1	2,964.1
Total liabilities	8,830.9	8,550.1
COMMITMENTS AND CONTINGENCIES (NOTE 13)
STOCKHOLDERS' EQUITY
Common stockholders' equity	1,127.2	1,125.8
Retained earnings	3,152.6	2,955.4
Accumulated other comprehensive loss, net of tax	(17.0)	(24.8)
Treasury Stock, Carrying Basis	0.1	(0.1)
Total stockholders' equity	4,262.7	4,056.3
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	13,093.6	12,606.4
OG&E [Member]
CURRENT ASSETS
Accounts Receivable, after Allowance for Credit Loss, Current	164.5	162.0
Accrued unbilled revenues	62.3	65.0
Fuel inventories	64.3	40.6
Materials and supplies, at average cost	119.5	117.9
Fuel clause under recoveries	182.3	151.9
Other	58.5	67.7
Total current assets	651.4	605.1
OTHER PROPERTY AND INVESTMENTS
Total other property and investments	3.8	3.9
PROPERTY, PLANT AND EQUIPMENT
In service	14,105.6	13,893.7
Construction work in progress	229.6	252.0
Total property, plant and equipment	14,335.2	14,145.7
Less: accumulated depreciation	4,370.0	4,318.9
Net property, plant and equipment	9,965.2	9,826.8
DEFERRED CHARGES AND OTHER ASSETS
Regulatory assets	1,256.7	1,230.8
Other	21.7	21.4
Total deferred charges and other assets	1,278.4	1,252.2
TOTAL ASSETS	11,898.8	11,688.0
CURRENT LIABILITIES
Short-term debt	182.5	0.0
Accounts payable	270.5	240.6
Advances from parent	90.3	101.3
Customer deposits	81.5	81.1
Accrued taxes	31.9	50.8
Accrued interest	41.3	40.4
Accrued compensation	20.5	27.8
Other	38.2	33.8
Total current liabilities	756.7	575.8
LONG-TERM DEBT	3,997.1	3,996.5
DEFERRED CREDITS AND OTHER LIABILITIES
Accrued benefit obligations	70.7	75.1
Deferred income taxes	1,007.2	1,000.4
Deferred investment tax credits	14.2	12.8
Regulatory liabilities	1,223.3	1,231.1
Other	187.0	193.5
Total deferred credits and other liabilities	2,502.4	2,512.9
Total liabilities	7,256.2	7,085.2
STOCKHOLDERS' EQUITY
Common stockholders' equity	1,572.5	1,571.7
Retained earnings	3,070.1	3,031.1
Total stockholders' equity	4,642.6	4,602.8
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 11,898.8	$ 11,688.0