v3.26.1
VARIABLE INTEREST ENTITIES (Tables)
3 Months Ended
Mar. 31, 2026
Variable Interest Entity or Potential VIE, Information Unavailability, Disclosures [Abstract]  
Schedule of Consolidated Variable Interest Entities
Assets and liabilities of the Springerville Partnership that are included in Tri-State's consolidated statements of financial position are as follows (dollars in thousands):
March 31,
2026
December 31,
2025
Net electric plant$625,630 $635,777 
Noncontrolling interest129,813 130,132 
Long-term debt171,994 172,158 
Accrued interest1,999 4,997 
Tri-State's consolidated statements of operations include the following Springerville Partnership expenses for the three months ended March 31, 2026 and 2025 (dollars in thousands):
Three Months Ended March 31,
20262025
Depreciation, amortization and depletion$10,147 $10,147 
Interest2,833 2,844