On the Record · Tri-State Generation & Transmission Association
Tri-State Generation & Transmission Association subsidiaries, as it lists them
The subsidiaries Tri-State Generation & Transmission Association lists in its latest annual report, with the jurisdiction of each, linked to the filing.
Subsidiaries it lists
| Subsidiary | Jurisdiction |
|---|---|
| Elk Ridge Mining and Reclamation, LLC | Colorado |
| Axial Basin Coal Company | Delaware |
| Taylor Creek Holding Company | Delaware |
| Colowyo Coal Company L.P. | Delaware |
| Springerville Unit 3 Partnership LP | Delaware |
| Springerville Unit 3 OP LLC | Delaware |
| Springerville Unit 3 Holding LLC | Delaware |
From Exhibit 21 of the 10-K for 2025. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.
Read from Tri-State Generation & Transmission Association’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-03-06. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.