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Financing
 3 Months Ended
Mar. 31, 2025
Debt Disclosure [Abstract]  
Financing Financing
The Company’s financing strategy includes both short-term and long-term borrowings. The Company utilizes short-term revolving credit facilities, as well as cash flows from operations, to provide funds for both construction and operating expenditures. Depending on market and other conditions, the Company will periodically sell long-term debt, enter into term loan arrangements, or equity arrangements and use the proceeds to reduce borrowings under the revolving credit facilities or refinance other debt. Each of the Company’s revolving credit facilities, term loans, and other debt agreements contains a single financial covenant that requires the maintenance of a debt-to-capitalization ratio. For the TXNM agreements, this ratio must be maintained at less than or equal to 70%, and for the PNM and TNMP agreements, this ratio must be maintained at less than or equal to 65%. The Company’s revolving credit facilities, term loans, and other debt agreements generally also contain customary covenants, events of default, cross-default provisions, and change-of-control provisions. PNM must obtain NMPRC approval for any financing transaction having a maturity of more than 18 months. In addition, PNM files its annual informational financing filing and short-term financing plan with the NMPRC. Additional information concerning financing activities is contained in Note 7 of the Notes to Consolidated Financial Statements in the 2024 Annual Reports on Form 10-K.

On February 28, 2025, TXNM filed a shelf registration that provides for the issuance of various types of debt and equity securities. The TXNM shelf registration statement expires in February 2028.

Financing Activities

On April 23, 2025, PNM entered into an agreement (the “PNM 2025 Note Purchase Agreement”) with institutional investors for the sale and issuance of $300.0 million aggregate principal amount of two series of SUNs (the “PNM 2025 SUNs”) offered in private placement transactions. The PNM 2025 SUNs were issued on April 23, 2025. PNM issued $125.0 million of the PNM 2025 SUNs at 5.75%, due June 1, 2032, and another $175.0 million at 6.13%, due June 1, 2037. PNM used proceeds from the PNM 2025 SUNs for the repayment of existing indebtedness, funding of capital expenditures, and general corporate purposes. The PNM 2025 Note Purchase Agreement includes the customary covenants discussed above. In the event of a change of control, PNM will be required to offer to prepay the PNM 2025 SUNs at par. PNM has the right to redeem any or all of the PNM 2025 SUNs prior to their maturities, subject to payment of a customary make-whole premium.

On February 14, 2025, TNMP entered into an agreement (the “TNMP 2025 Bond Purchase Agreement”) with institutional investors for the sale of $140.0 million aggregate principal amount of its 5.19% TNMP first mortgage bonds (the “TNMP 2025 Bonds”) offered in private placement transactions. TNMP issued all $140.0 million at a 5.19% interest rate, due April 1, 2031. The proceeds were used to repay borrowings under the TNMP Revolving Credit Facility, for funding of capital expenditures, and for other corporate purposes. The TNMP 2025 Bonds are subject to continuing compliance with the representations, warranties, and covenants set forth in the supplemental indentures governing the TNMP 2025 Bonds. The terms of the supplemental indentures governing the TNMP 2025 Bonds include the customary covenants discussed above. In the event of a change of control, TNMP will be required to offer to prepay the TNMP 2025 Bonds at par. TNMP has the right to redeem any or all of the TNMP 2025 Bonds prior to their maturity, subject to payment of a customary make-whole premium.

On January 21, 2025, PNM entered into a $195.0 million term loan agreement (the “PNM 2025 Term Loan”), among PNM, the lenders party thereto and Canadian Imperial Bank of Commerce, New York Branch, as administrative agent. PNM used the proceeds of the PNM 2025 Term Loan to repay borrowings under the PNM Revolving Credit Facility, the PNM New Mexico Credit Facility, and for general corporate purposes. The PNM 2025 Term Loan bears interest at a variable rate, which was 5.32% at March 31, 2025, and must be repaid on or before July 21, 2026.

On March 28, 2024, TNMP entered into an agreement (the “TNMP 2024 Bond Purchase Agreement”) with institutional investors for the sale of $285.0 million aggregate principal amount of four series of TNMP first mortgage bonds (the “TNMP 2024 Bonds”) offered in private placement transactions. TNMP issued the first two series on March 28, 2024, consisting of $32.0 million at a 5.26% interest rate, due March 28, 2029, and $85.0 million at a 5.55% interest rate, due March 28, 2036. The third and fourth series were issued on July 1, 2024, consisting of $40.0 million at a 5.65% interest rate, due July 1, 2039, and $128.0 million at a 5.79% interest rate, due July 1, 2054. The proceeds were used to repay existing debt, including the $80.0 million of 4.03% TNMP FMBs that were due July 2024 and borrowings under the TNMP Revolving Credit Facility, for funding of capital expenditures, and for other corporate purposes. The TNMP 2024 Bonds are subject to continuing compliance with the representations, warranties, and covenants set forth in the supplemental indentures governing the TNMP 2024 Bonds. The terms of the supplemental indentures governing the TNMP 2024 Bonds include the customary covenants discussed above. In the event of certain changes of control of TXNM or TNMP, TNMP will be required to offer to prepay the TNMP 2024
Bonds at par. TNMP has the right to redeem any or all of the TNMP 2024 Bonds prior to their maturity, subject to payment of a customary make-whole premium.

At March 31, 2025, variable interest rates were 5.37% on the TXNM 2021 Delayed-Draw Term Loan that matures in May 2025, 5.77% on the TXNM 2023 Term Loan that matures in June 2026, 5.32% on the PNM 2024 Term Loan that matures in November 2025, and 5.32% on the PNM 2025 Term Loan that matures in July 2026.

Short-term Debt and Liquidity

As of March 31, 2025, the TXNM Revolving Credit Facility had a financing capacity of $300.0 million and the PNM Revolving Credit Facility had a financing capacity of $400.0 million. Each of these facilities matures on March 30, 2029 and contains two one-year extension options that, if exercised, would extend the maturity to March 2031, subject to approval by a majority of the lenders. PNM also has the $40.0 million PNM New Mexico Credit Facility with a maturity of May 20, 2026. As of March 31, 2025, the TNMP Revolving Credit Facility has a capacity of $200.0 million and is secured by $200.0 million aggregate principal amount of TNMP first mortgage bonds and has a maturity of March 30, 2029, with two one-year extension options that, if exercised, would extend the maturity to March 2031, subject to approval by a majority of the lenders. Variable interest rates under the TXNM, PNM, and TNMP revolving credit facilities are based on SOFR. Short-term debt outstanding consists of:
March 31, 2025December 31, 2024
Balance Outstanding
Weighted Average Interest Rate
Balance Outstanding
Weighted Average Interest Rate
(In thousands)
(In thousands)
PNM:
PNM Revolving Credit Facility$258,300 5.67%$323,800 5.73%
PNM New Mexico Credit Facility40,000 5.6740,000 5.81
298,300 363,800 
TNMP Revolving Credit Facility139,900 5.30151,600 5.37
TXNM Revolving Credit Facility
155,500 5.9293,900 5.96
$593,700 $609,300 

In addition to the above borrowings, TXNM, PNM, and TNMP had letters of credit outstanding of $3.1 million, zero, and zero at March 31, 2025 that reduce the available capacity under their respective revolving credit facilities. TXNM also had $30.3 million of letters of credit outstanding under the WFB LOC Facility. The above table excludes intercompany debt. As of March 31, 2025 and December 31, 2024, PNM had $1.6 million and zero in intercompany borrowings from TXNM. TNMP had no intercompany borrowings from TXNM as of March 31, 2025 and December 31, 2024. TXNM had $1.6 million and $1.5 million in short-term borrowings from PNMR Development at March 31, 2025 and December 31, 2024.

PNM has $3.5 million and $3.6 million in scheduled principal payments due for the ETBC I Securitized Bonds in August 2025 and February 2026. PNM also has $104.0 million and $250.0 million of SUNs that are due in May and August 2025 as well as the PNM 2024 $200.0 million Term Loan due in November 2025. TNMP has $60.0 million of 3.53% FMBs that are due in February 2026. TXNM has $51.0 million outstanding under the TXNM 2021 Delayed Draw Term Loan that matures in May 2025. The Company’s debt arrangements have various maturities and expiration dates. Additional information on debt maturities is contained in Note 7 of the Notes to Consolidated Financial Statements in the 2024 Annual Reports on Form 10-K.