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Debt Obligations | 3 Months Ended
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Mar. 31, 2026
Debt Disclosure [Abstract] |
Debt Obligations | 7. DEBT OBLIGATIONS: Quanta’s long-term debt obligations consisted of the following (in thousands):
|  | March 31, 2026 |  | December 31, 2025
4.75% Senior Notes due August 2027 |  | $ | 600,000 |  |  | $ | 600,000 |
4.30% Senior Notes due August 2028 |  | 500,000 |  |  | 500,000 |
2.90% Senior Notes due October 2030 |  | 1,000,000 |  |  | 1,000,000 |
4.50% Senior Notes due January 2031 |  | 500,000 |  |  | 500,000 |
2.35% Senior Notes due January 2032 |  | 500,000 |  |  | 500,000 |
5.25% Senior Notes due August 2034 |  | 650,000 |  |  | 650,000 |
5.10% Senior Notes due August 2035 |  | 500,000 |  |  | 500,000 |
3.05% Senior Notes due October 2041 |  | 500,000 |  |  | 500,000 |
Borrowings under senior credit facility (including Term Loan) |  | 684,279 |  |  | 675,000 |
Borrowings under commercial paper program |  | 252,000 |  |  | 316,000 |
Lease financing transactions |  | 207,377 |  |  | 198,847 |
Other long-term debt |  | 2,424 |  |  | 2,761 |
Finance leases |  | 34,269 |  |  | 93,055 |
Unamortized discount and financing costs |  | (38,735) |  |  | (40,757) |
Total long-term debt obligations |  | 5,891,614 |  |  | 5,994,906 |
Less — Current maturities of long-term debt |  | 689,694 |  |  | 763,898 |
Total long-term debt obligations, net of current maturities |  | $ | 5,201,920 |  |  | $ | 5,231,008 |
Senior Notes The interest amounts due on Quanta’s senior notes on each payment date are set forth below (dollars in thousands):
Title of the Notes |  | Interest Amount |  | Payment Dates |  | Commencement Date
4.75% Senior Notes due August 2027 |  | $ | 14,250 |  |  | February 9 and August 9 |  | February 9, 2025
4.30% Senior Notes due August 2028 |  | $ | 10,750 |  |  | February 9 and August 9 |  | February 9, 2026
2.90% Senior Notes due October 2030 |  | $ | 14,500 |  |  | April 1 and October 1 |  | April 1, 2021
4.50% Senior Notes due January 2031 |  | $ | 11,250 |  |  | January 15 and July 15 |  | January 15, 2026
2.35% Senior Notes due January 2032 |  | $ | 5,875 |  |  | January 15 and July 15 |  | July 15, 2022
5.25% Senior Notes due August 2034 |  | $ | 17,063 |  |  | February 9 and August 9 |  | February 9, 2025
5.10% Senior Notes due August 2035 |  | $ | 12,750 |  |  | February 9 and August 9 |  | February 9, 2026
3.05% Senior Notes due October 2041 |  | $ | 7,625 |  |  | April 1 and October 1 |  | April 1, 2022
The fair value of Quanta’s senior notes was $4.48 billion as of March 31, 2026, compared to a carrying value of $4.71 billion net of unamortized bond discount, underwriting discounts and deferred financing costs of $38.4 million. The fair value of the senior notes is based on the quoted market prices for the same issue, and the senior notes are categorized as Level 1 liabilities. Senior Credit Facility As of March 31, 2026, the credit agreement for Quanta’s senior credit facility provided for a term loan facility with a maturity date of October 8, 2026, and aggregate revolving commitments of $2.80 billion, with a maturity date of July 31, 2030. Borrowings under the senior credit facility and the applicable interest rates were as follows (dollars in thousands):
|  | Three Months Ended |  |
|  | March 31, |  |
|  | 2026 |  | 2025 |  |  |  |
Maximum amount outstanding |  | $ | 719,483 |  |  | $ | 741,565 |  |  |  |  |
Average daily amount outstanding |  | $ | 671,267 |  |  | $ | 720,535 |  |  |  |  |
Weighted-average interest rate |  | 4.97 | % |  | 5.73 | % |  |  |  |
As of March 31, 2026, Quanta was in compliance with all of the financial covenants under the credit agreement. Term Loan. As of March 31, 2026, Quanta had $656.3 million outstanding under its term loan facility. The carrying amount of the term loan under Quanta’s senior credit facility approximates fair value due to its variable interest rate. Revolving Loans. As of March 31, 2026, Quanta had $28.0 million of outstanding revolving loans under the senior credit facility, all of which were denominated in Canadian dollars. Available commitments for revolving loans under Quanta’s senior credit facility must be maintained to provide credit support for notes issued under Quanta’s commercial paper program, and therefore such notes effectively reduce the available capacity under its senior credit facility. Letters of Credit. As of March 31, 2026, Quanta had $65.8 million of letters of credit issued under the senior credit facility, which were primarily denominated in U.S. dollars. Additionally, available commitments for revolving loans under the senior credit facility must be maintained in order to provide credit support for notes issued under Quanta’s commercial paper program, and therefore such notes effectively reduce the available borrowing capacity under the senior credit facility. As of March 31, 2026, $2.45 billion remained available under the senior credit facility for new revolving loans, letters of credit and support of the commercial paper program. Commercial Paper Program As of March 31, 2026, Quanta had $252.0 million of outstanding unsecured notes under its commercial paper program with a weighted average maturity of one day. Borrowings under the commercial paper program and the applicable interest rates were as follows (dollars in thousands):
|  | Three Months Ended |  |
|  | March 31, |  |
|  | 2026 |  | 2025 |  |  |  |
Maximum amount outstanding |  | $ | 788,500 |  |  | $ | 564,429 |  |  |  |  |
Average daily amount outstanding |  | $ | 462,847 |  |  | $ | 174,142 |  |  |  |  |
Weighted-average interest rate |  | 3.94 | % |  | 4.72 | % |  |  |  |
Additional Letters of Credit As of March 31, 2026, Quanta had $738.4 million of letters of credit issued outside of its senior credit facility, which were primarily denominated in U.S. dollars.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-8A Reference 2: http://www.xbrl.org/2003/role/disclosureRef 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