The Utility Registrants incurred expenses from transactions with the Generation affiliate as described in the footnotes to the table below prior to separation on February 1, 2022. Such expenses were primarily recorded as Purchased power from affiliates and an immaterial amount recorded as Operating and maintenance expense from affiliates at the Utility Registrants:


	For the Years Ended December 31,
	2022		2021		2020
ComEd(a)	$	59	$	376	$	330
PECO(b)	33		196		190
BGE(c)	18		236		315
PHI	51		366		367
Pepco(d)	39		270		279
DPL(e)	10		79		75
ACE(f)	2		17		13

(a)ComEd had an ICC-approved RFP contract with Generation to provide a portion of ComEd’s electric supply requirements. ComEd also purchased RECs and ZECs from Generation.

(b)PECO received electric supply from Generation under contracts executed through PECO’s competitive procurement process. In addition, PECO had a ten-year agreement with Generation to sell solar AECs.

(c)BGE received a portion of its energy requirements from Generation under its MDPSC-approved market-based SOS and gas commodity programs.

(d)Pepco received electric supply from Generation under contracts executed through Pepco's competitive procurement process approved by the MDPSC and DCPSC.

(e)DPL received a portion of its energy requirements from Generation under its MDPSC and DEPSC approved market-based SOS commodity programs.

(f)ACE received electric supply from Generation under contracts executed through ACE's competitive procurement process approved by the NJBPU.

The Registrants receive a variety of corporate support services from BSC. Pepco, DPL, and ACE also receive corporate support services from PHISCO. See Note 1 — Significant Accounting Policies for additional information regarding BSC and PHISCO.


	Operating and maintenance from affiliates						Capitalized costs
	For the years ended December 31,						For the years ended December 31,
	2022		2021		2020		2022		2021		2020
Exelon
BSC							$	707	$	508	$	531
PHISCO							80		72		61
ComEd
BSC	$	316	$	304	$	283	311		207		186
PECO
BSC	197		169		150		115		81		76
BGE
BSC	204		189		170		122		92		132
PHI
BSC	188		168		152		159		128		149
PHISCO	—		—		—		80		72		61
Pepco
BSC	110		96		85		60		50		55
PHISCO	112		114		120		33		31		27
DPL
BSC	71		61		54		45		43		51
PHISCO	96		99		97		26		22		18
ACE
BSC	57		53		45		54		33		40
PHISCO	84		86		87		21		19		16


	Receivables from affiliates:
Payables to affiliates:	ComEd		PECO		BGE		Pepco		DPL		ACE		BSC		PHISCO		Other		Total
ComEd			$	—	$	—	$	—	$	—	$	—	$	66	$	—	$	8	$	74
PECO	$	—			—		—		—		—		39		—		3		42
BGE	—		—				—		—		—		38		—		1		39
PHI	—		—		—		—		—		—		4		—		10		14
Pepco	—		—		—				—		—		20		13		1		34
DPL	—		2		—		—				—		12		8		—		22
ACE	—		2		—		—		—				14		9		1		26
Other	3		—		—		—		—		1		—		—				4
Total	$	3	$	4	$	—	$	—	$	—	$	1	$	193	$	30	$	24	$	255


	Receivables from affiliates:
Payables to affiliates:	ComEd		PECO		BGE		Pepco		DPL		ACE		Generation		BSC		PHISCO		Other		Total
ComEd			$	—	$	—	$	—	$	—	$	—	$	41	$	71	$	—	$	9	$	121
PECO	$	—			—		—		—		—		30		36		—		4		70
BGE	—		—				—		—		—		4		41		—		3		48
PHI	—		1		—		—		—		1		—		5		—		9		16
Pepco	—		—		1				1		1		20		21		12		3		59
DPL	—		—		—		—				—		4		17		11		1		33
ACE	—		—		—		—		—				7		13		9		2		31
Generation	13		—		—		—		—		—				102		—		16		131
Other	3		—		—		—		—		—		11		—		—				14
Total	$	16	$	1	$	1	$	—	$	1	$	2	$	117	$	306	$	32	$	47	$	523

To provide an additional short-term borrowing option that will generally be more favorable to the borrowing participants than the cost of external financing both Exelon and PHI operate an intercompany money pool. PECO, and PHI Corporate participate in the Exelon money pool. Pepco, DPL, and ACE participate in the PHI intercompany money pool.

ComEd and PECO have noncurrent receivables with Constellation for estimated excess funds at the end of decommissioning the Regulatory Agreement Units, such amounts are due back to ComEd and PECO, as applicable, for payment to their respective customers. The receivables are recorded in Receivable related to Regulatory Agreement Units as of December 31, 2022 and in noncurrent Receivables from affiliates as of December 31, 2021. See Note 3 — Regulatory Matters of the Combined Notes to Consolidated Financial Statements for additional information.


	As of December 31,
	2022						2021
	Exelon		ComEd		PECO		Exelon		ComEd		PECO
ComEd Financing III	$	206	$	205	$	—	$	206	$	205	$	—
PECO Trust III	81		—		81		81		—		81
PECO Trust IV	103		—		103		103		—		103
Total	$	390	$	205	$	184	$	390	$	205	$	184

In December 2022, Exelon Corporation made an unconditional promise to give $20 million to the Exelon Foundation. The contribution was recorded in Operating and maintenance expense within the Consolidated Statements of Operations and Comprehensive Income with the offset in Accrued expenses and Other Deferred credits and other liabilities on the Consolidated Balance Sheets.