Condensed Balance Sheets (Unaudited) - MPC - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Current Assets:
Cash and cash equivalents	$ 3,341	$ 1,070
Receivables —
Customer accounts, net and Affiliated	2,304	2,228
Unbilled revenues	685	825
Other accounts and notes	476	597
Fossil fuel stock	682	803
Materials and supplies	2,158	2,178
Other regulatory assets	793	804
Other current assets	602	476
Total current assets	12,627	10,694
Property, Plant, and Equipment:
In service	143,189	137,143
Less: Accumulated depreciation	42,793	40,126
Plant in service, net of depreciation	100,396	97,017
Construction work in progress	9,239	6,389
Total property, plant, and equipment	110,880	104,689
Other Property and Investments:
Total other property and investments	10,352	10,198
Deferred Charges and Other Assets:
Deferred charges related to income taxes	911	889
Prepaid pension costs	2,982	2,674
Deferred under recovered fuel clause revenues	197	485
Regulatory assets – asset retirement obligations	5,047	5,458
Other regulatory assets, deferred	7,361	7,037
Other deferred charges and assets	1,322	1,467
Total deferred charges and other assets	19,389	19,599
Total Assets	153,248	145,180
Current Liabilities:
Securities due within one year	7,541	4,718
Notes payable	144	1,338
Accounts payable —
Customer deposits	489	486
Accrued compensation	1,206	1,261
Asset retirement obligations	680	731
Other regulatory liabilities	196	369
Other current liabilities	970	1,100
Total current liabilities	16,726	15,993
Long-term Debt	64,621	58,768
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	12,250	11,730
Deferred credits related to income taxes	4,381	4,434
Employee benefit obligations	955	1,011
Asset retirement obligations, deferred	8,774	9,203
Other cost of removal obligations	2,032	2,016
Other regulatory liabilities, deferred	642	692
Other deferred credits and liabilities	1,357	1,350
Total deferred credits and other liabilities	33,627	33,745
Total Liabilities	114,974	108,506
Total Liabilities and Stockholders' Equity	153,248	145,180
Mississippi Power
Current Assets:
Cash and cash equivalents	34	13
Receivables —
Unbilled revenues	45	39
Other accounts and notes	23	24
Fossil fuel stock	32	56
Materials and supplies	103	103
Other regulatory assets	44	43
Other current assets	8	28
Total current assets	416	384
Property, Plant, and Equipment:
In service	5,888	5,697
Less: Accumulated depreciation	1,919	1,833
Plant in service, net of depreciation	3,969	3,864
Construction work in progress	266	253
Total property, plant, and equipment	4,235	4,117
Other Property and Investments:
Total other property and investments	146	152
Deferred Charges and Other Assets:
Deferred charges related to income taxes	26	27
Prepaid pension costs	139	124
Deferred under recovered fuel clause revenues	0	32
Regulatory assets – asset retirement obligations	230	243
Other regulatory assets, deferred	260	259
Accumulated deferred income taxes	68	82
Other deferred charges and assets	66	74
Total deferred charges and other assets	789	841
Total Assets	5,586	5,494
Current Liabilities:
Securities due within one year	66	12
Notes payable	0	14
Accounts payable —
Customer deposits	19	20
Accrued taxes	125	115
Accrued compensation	41	46
Asset retirement obligations	21	32
Over recovered fuel clause revenues	0	32
Other regulatory liabilities	8	5
Other current liabilities	56	75
Total current liabilities	462	502
Long-term Debt	1,715	1,681
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	480	492
Deferred credits related to income taxes	209	219
Employee benefit obligations	65	65
Asset retirement obligations, deferred	104	116
Other cost of removal obligations	124	170
Other regulatory liabilities, deferred	143	121
Other deferred credits and liabilities	84	39
Total deferred credits and other liabilities	1,209	1,222
Total Liabilities	3,386	3,405
Total common stockholders' equity	2,200	2,089
Total Liabilities and Stockholders' Equity	5,586	5,494
Mississippi Power | Nonrelated Party
Receivables —
Customer accounts, net and Affiliated	87	45
Accounts payable —
Affiliated and Other	59	83
Mississippi Power | Related Party
Receivables —
Customer accounts, net and Affiliated	40	33
Accounts payable —
Affiliated and Other	$ 67	$ 68