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Debt and Credit Agreements (Tables)
12 Months Ended
Dec. 31, 2021
Short-term and Long-term Debt [Line Items]  
Schedule of Commercial Paper Borrowings
The following table reflects the Registrants' commercial paper programs supported by the revolving credit agreements and bilateral credit agreements as of December 31, 2021 and 2020:
Maximum
Program Size at
December 31,
Outstanding
Commercial
Paper at
December 31,
Average Interest Rate on
Commercial Paper Borrowings at December 31,
Commercial Paper Issuer
2021(a)(b)(c)
2020(a)(b)(c)
2021202020212020
Exelon(d)
$9,000 $9,000 $1,301 $1,031 0.52 %0.25 %
ComEd1,000 1,000 — 323 — %0.23 %
PECO600 600 — — — %— %
BGE600 600 130 — 0.37 %— %
PHI(e)
900 900 469 368 0.35 %0.24 %
Pepco300 300 175 35 0.33 %0.22 %
DPL300 300 149 146 0.36 %0.24 %
ACE300 300 145 187 0.35 %0.25 %
__________
(a)Excludes $1,200 million and $1,500 million in bilateral credit facilities as of December 31, 2021 and 2020, respectively, and $131 million and $144 million in credit facilities for project finance as of December 31, 2021 and 2020, respectively. These credit facilities do not back the commercial paper program relating to Generation.
(b)As of December 31, 2021, excludes $142 million of credit facility agreements arranged at minority and community banks, including $33 million, $33 million, $8 million, $8 million, $8 million, and $8 million, at ComEd, PECO, BGE, Pepco, DPL, and ACE, respectively. These facilities expire on October 7, 2022. These facilities are solely utilized to issue letters of credit. As of December 31, 2020, excludes $135 million of credit facility agreements arranged primarily at minority and community banks, including $32 million, $33 million, $8 million, $8 million, $8 million, and $8 million, at ComEd, PECO, BGE, Pepco, DPL, and ACE, respectively.
(c)Pepco, DPL, and ACE's revolving credit facility has the ability to flex to $500 million, $500 million, and $350 million, respectively. The borrowing capacity may be increased or decreased during the term of the facility, except that (i) the sum of the borrowing capacity must equal the total amount of the facility, and (ii) the aggregate amount of credit used at any given time by each of Pepco, DPL, or ACE may not exceed $900 million or the maximum amount of short-term debt the company is permitted to have outstanding by its regulatory authorities. The total number of the borrowing reallocations may not exceed eight per year during the term of the facility.
(d)Includes revolving credit agreement at Exelon Corporate with a maximum program size of $600 million as of December 31, 2021 and 2020. Exelon Corporate had no outstanding commercial paper as of December 31, 2021 and 2020.
(e)Represents the consolidated amounts of Pepco, DPL, and ACE.
Schedule of Aggregate Bank Commitments, Credit Facility Borrowings, and Available Capacity
As of December 31, 2021, the Registrants had the following aggregate bank commitments, credit facility borrowings, and available capacity under their respective credit facilities:
Available Capacity as of December 31, 2021
Borrower(a)
Facility Type
Aggregate Bank
Commitment
(b)
Facility DrawsOutstanding
Letters of Credit
Actual
To Support
Additional
Commercial
Paper
(c)
Exelon(c)
Syndicated Revolver / Bilaterals / Project Finance$10,331 $— $2,383 $7,948 $6,461 
ComEdSyndicated Revolver1,000 — 998 998 
PECOSyndicated Revolver600 — — 600 600 
BGESyndicated Revolver600 — — 600 470 
PHI Syndicated Revolver900 — — 900 431 
PepcoSyndicated Revolver300 — — 300 125 
DPLSyndicated Revolver300 — — 300 151 
ACESyndicated Revolver300 — — 300 155 
__________
(a)On February 1, 2022, Exelon Corporate and the Utility Registrants' respective syndicated revolving credit facilities were replaced with a new 5-year revolving credit facility.
(b)As of December 31, 2021, excludes $142 million of credit facility agreements arranged at minority and community banks, including $33 million, $33 million, $8 million, $8 million, $8 million, and $8 million, at ComEd, PECO, BGE, Pepco, DPL, and ACE, respectively. These facilities expire on October 7, 2022. These facilities are solely utilized to issue letters of credit. As of December 31, 2021, letters of credit issued under these facilities totaled $5 million, $1 million, and $2 million for ComEd, PECO, and BGE, respectively.
(c)Includes $600 million aggregate bank commitment related to Exelon Corporate. Exelon Corporate had $6 million outstanding letters of credit as of December 31, 2021. Exelon Corporate had $594 million in available capacity to support additional commercial paper as of December 31, 2021.
Schedule of bilateral credit agreements
The following table reflects the bilateral credit agreements as of December 31, 2021:
SubsidiaryDate Initiated Latest Amendment Date
Maturity Date(a)
 Amount
Generation(b)(c)
January 11, 2013March 1, 2021March 1, 2023$100 
Generation(b)
January 5, 2016April 2, 2021April 5, 2023150
Generation(b)(c)
February 21, 2019March 31, 2021March 31, 2022100
Generation(b)
October 25, 2019N/AN/A200
Generation(b)
November 20, 2019N/AN/A300
Generation(b)
November 21, 2019N/AN/A150
Generation(b)
November 21, 2019November 21, 2021November 21, 2022100
Generation(b)(d)
May 15, 2020N/AN/A100
__________
(a)Credit facilities that do not contain a maturity date are specific to the agreements set within each contract. In some instances, credit facilities are automatically renewed based on the contingency standards set within the specific agreement.
(b)Bilateral credit agreements solely support the issuance of letters of credit and do not back the commercial paper program relating to Generation.
(c)The bilateral credit agreement was terminated on January 31, 2022.
(d)On February 9, 2022, the bilateral credit agreement increased to $200 million.
Schedule of Basis Spread
Borrowings under Exelon’s, ComEd’s, PECO’s, BGE's, Pepco's, DPL's, and ACE's revolving credit agreements bear interest at a rate based upon either the prime rate or a LIBOR-based rate, plus an adder based upon the particular Registrant’s credit rating. The adders for the prime based borrowings and LIBOR-based borrowings are presented in the following table:
Exelon(a)
ComEdPECOBGEPepcoDPLACE
Prime based borrowings 0 - 27.5— — — 7.5 — 7.5 
LIBOR-based borrowings90.0 - 127.5100.0 90.0 90.0 107.5 100.0 107.5 
__________
(a)Includes interest rate adders at Exelon Corporate of 27.5 basis points and 127.5 basis points for prime and LIBOR-based borrowings, respectively.
Schedule of long-term debt instruments
Long-Term Debt 
The following tables present the outstanding long-term debt at the Registrants as of December 31, 2021 and 2020:
Exelon
Maturity
Date
December 31,
Rates20212020
Long-term debt
First mortgage bonds(a)(b)(c)
0.14 %-7.90 %2022 - 2051$20,751 $18,915 
Senior unsecured notes3.25 %-7.60 %2022 - 205010,285 10,585 
Unsecured notes2.25 %-6.35 %2022 - 20504,000 3,700 
Notes payable and other1.64 %-7.49 %2022 - 2053189 170 
Junior subordinated notes3.50 %20221,150 1,150 
Long-term software licensing agreement3.62 %-3.95 %2024 - 202530 
Unsecured tax-exempt bonds0.12 %-1.70 %2022 - 2024143 143 
Medium-terms notes (unsecured)7.72 %202710 10 
Transition bonds5.55 %2021— 21 
Loan agreement(d)
2.00 %202350 50 
Nonrecourse debt:
     Fixed rates2.29 %-6.00 %2031 - 2037909 977 
     Variable rates2.98 %-3.50 %2026 - 2027870 765 
Total long-term debt38,366 36,516 
Unamortized debt discount and premium, net(77)(77)
Unamortized debt issuance costs (262)(248)
Fair value adjustment670 721 
Long-term debt due within one year(3,373)(1,819)
Long-term debt$35,324 $35,093 
Long-term debt to financing trusts(e)
Subordinated debentures to ComEd Financing III6.35 %2033$206 $206 
Subordinated debentures to PECO Trust III5.25 %-7.38 %202881 81 
Subordinated debentures to PECO Trust IV5.75 %2033103 103 
Total long-term debt to financing trusts$390 $390 
__________
(a)Substantially all of ComEd’s assets other than expressly excepted property and substantially all of PECO’s, Pepco's, DPL's, and ACE's assets are subject to the liens of their respective mortgage indentures.
(b)On November 16, 2021, DPL entered into a purchase agreement of First Mortgage Bonds of $125 million at 3.06% due on February 15, 2052. The closing date of the issuance occurred on February 15, 2022.
(c)On November 16, 2021, ACE entered into a purchase agreement of First Mortgage Bonds of $25 million and $150 million at 2.27% and 3.06% due on February 15, 2032 and February 15, 2052, respectively. The closing date of the issuance occurred on February 15, 2022.
(d)In connection with the separation, Exelon Corporate entered into three 18-month term loan agreements. On January 21, 2022, two of the loan agreements were issued for $300 million each with an expiration date of July 21, 2023. On January 24, 2022, the third loan agreement was issued for $250 million with an expiration date of July 24, 2023. Pursuant to the loan agreement, loans made thereunder bear interest at a variable rate equal to SOFR plus 0.65%.
(e)Amounts owed to these financing trusts are recorded as Long-term debt to financing trusts within Exelon’s Consolidated Balance Sheet.
ComEd
Maturity
Date
December 31,
Rates20212020
Long-term debt
First mortgage bonds(a)
2.20 %-6.45 %2024 - 2051$9,879 $9,079 
Other7.49 %2053
Total long-term debt9,887 9,087 
Unamortized debt discount and premium, net(27)(28)
Unamortized debt issuance costs(87)(76)
Long-term debt due within one year— (350)
Long-term debt$9,773 $8,633 
Long-term debt to financing trust(b)
Subordinated debentures to ComEd Financing III6.35 %2033$206 $206 
Total long-term debt to financing trusts206 206 
Unamortized debt issuance costs (1)(1)
Long-term debt to financing trusts $205 $205 
__________
(a)Substantially all of ComEd’s assets, other than expressly excepted property, are subject to the lien of its mortgage indenture.
(b)Amount owed to this financing trust is recorded as Long-term debt to financing trust within ComEd’s Consolidated Balance Sheet.

PECO
Maturity
Date
December 31,
Rates20212020
Long-term debt
First mortgage bonds(a)
2.38 %-5.95 %2022 - 2051$4,200 $3,750 
Loan agreement2.00 %202350 50 
Total long-term debt4,250 3,800 
Unamortized debt discount and premium, net(20)(20)
Unamortized debt issuance costs(33)(27)
Long-term debt due within one year(350)(300)
Long-term debt$3,847 $3,453 
Long-term debt to financing trusts(b)
Subordinated debentures to PECO Trust III5.25 %-7.38 %2028$81 $81 
Subordinated debentures to PECO Trust IV5.75 %2033103 103 
Long-term debt to financing trusts $184 $184 
__________
(a)Substantially all of PECO’s assets are subject to the lien of its mortgage indenture.
(b)Amounts owed to this financing trust are recorded as Long-term debt to financing trusts within PECO’s Consolidated Balance Sheet.
BGE
Maturity
Date
December 31,
Rates20212020
Long-term debt
Unsecured notes2.25 %-6.35 %2022 - 2050$4,000 $3,700 
Total long-term debt4,000 3,700 
Unamortized debt discount and premium, net(12)(12)
Unamortized debt issuance costs(27)(24)
Long-term debt due within one year(250)(300)
Long-term debt$3,711 $3,364 
PHI
Maturity
Date
December 31,
Rates20212020
Long-term debt
First mortgage bonds(a)
0.14 %-7.90 %2022 - 2051$6,672 $6,086 
Senior unsecured notes
7.45 %2032185 185 
Unsecured tax-exempt bonds0.12 %-1.70 %2022 - 2024143 143 
Medium-terms notes (unsecured)7.72 %202710 10 
Transition bonds5.55 %2021— 21 
Finance leases3.54 %2022 - 202974 50 
Other(b)
7.28 %-7.49 %2022— 
Total long-term debt7,084 6,496 
Unamortized debt discount and premium, net
Unamortized debt issuance costs(36)(28)
Fair value adjustment495 534 
Long-term debt due within one year(399)(347)
Long-term debt$7,148 $6,659 
_________
(a)Substantially all of Pepco's, DPL's, and ACE's assets are subject to the liens of their respective mortgage indentures.
(b)The amount in the Other category was less than 1 million as of December 31, 2021.

Pepco
Maturity
Date
December 31,
Rates20212020
Long-term debt
First mortgage bonds(a)
2.32 %-7.90 %2022 - 2051$3,350 $3,075 
Unsecured tax-exempt bonds1.70 %2022110 110 
Finance leases3.54 %2025 - 202926 17 
Other(b)
7.28 %-7.49 %2022— 
Total long-term debt3,486 3,203 
Unamortized debt discount and premium, net
Unamortized debt issuance costs(43)(40)
Long-term debt due within one year(313)(3)
Long-term debt$3,132 $3,162 
________
(a)Substantially all of Pepco's assets are subject to the lien of its mortgage indenture.
(b)The amount in the Other category was less than 1 million as of December 31, 2021.
DPL
Maturity
Date
December 31,
Rates20212020
Long-term debt
First mortgage bonds(a)(b)
0.14 %-4.27 %2023 - 2051$1,749 $1,624 
Unsecured tax-exempt bonds0.12 %-0.13 %202433 33 
Medium-terms notes (unsecured)
7.72 %202710 10 
Finance leases3.54 %2025 - 202929 20 
Total long-term debt1,821 1,687 
Unamortized debt discount and premium, net— 
Unamortized debt issuance costs(11)(11)
Long-term debt due within one year(83)(82)
Long-term debt$1,727 $1,595 
__________
(a)Substantially all of DPL's assets are subject to the lien of its mortgage indenture.
(b)On November 16, 2021, DPL entered into a purchase agreement of First Mortgage Bonds of $125 million at 3.06% due on February 15, 2052. The closing date of the issuance occurred on February 15, 2022.

ACE
Maturity
Date
December 31,
Rates20212020
Long-term debt
First mortgage bonds(a)(b)
2.25 %-5.80 %2024 - 2050$1,573 $1,387 
Transition bonds5.55 %2021— 21 
Finance leases3.54 %2022 - 202919 13 
Total long-term debt1,592 1,421 
Unamortized debt discount and premium, net(1)(1)
Unamortized debt issuance costs(9)(7)
Long-term debt due within one year(3)(261)
Long-term debt$1,579 $1,152 
__________
(a)Substantially all of ACE's assets are subject to the lien of its mortgage indenture.
(b)On November 16, 2021, ACE entered into a purchase agreement of First Mortgage Bonds of $25 million and $150 million at 2.27% and 3.06% due on February 15, 2032 and February 15, 2052, respectively. The closing date of the issuance occurred on February 15, 2022.
Schedule of maturities of long-term debt
Long-term debt maturities at the Registrants in the periods 2022 through 2026 and thereafter are as follows:
YearExelon ComEdPECOBGE PHIPepcoDPLACE
2022$3,373 $— $350 $250  $399 $313 $83 $
2023865 — 50 300  512 505 
2024818 250 — —  562 404 153 
20252,223 — 350 —  162 153 
20261,725 500 — 350  11 
Thereafter29,752 
(a) 
9,342 
(b)
3,684 
(c)
3,100 5,438 2,757 1,219 1,277 
Total$38,756  $10,092 $4,434 $4,000 $7,084 $3,486 $1,821 $1,592 
__________
(a)Includes $390 million due to ComEd and PECO financing trusts.
(b)Includes $206 million due to ComEd financing trust.
(c)Includes $184 million due to PECO financing trusts.
Revolving Credit Facility [Member]  
Short-term and Long-term Debt [Line Items]  
Schedule of Aggregate Bank Commitments, Credit Facility Borrowings, and Available Capacity
Revolving Credit Agreements
On February 1, 2022, Exelon Corporate and the Utility Registrants each entered into a new 5-year revolving credit facility that replaced its existing syndicated revolving credit facility. The following table reflects the credit agreements:
BorrowerAggregate Bank CommitmentInterest Rate
Exelon Corporate$900 SOFR plus 1.275 %
ComEd1,000 SOFR plus 1.000 %
PECO600 SOFR plus 0.900 %
BGE600 SOFR plus 0.900 %
Pepco300 SOFR plus 1.075 %
DPL 300 SOFR plus 1.000 %
ACE300 SOFR plus 1.075 %