v3.26.3
Regulatory and Rate Matters - SB 170 Projects and Rio Puerco-Pajarito-Prosperity CCN (Details)
$ in Millions
Oct. 30, 2026
USD ($)
Dec. 30, 2025
USD ($)
Dec. 29, 2025
USD ($)
project
Public Utilities, General Disclosures [Line Items]      
Number of economic development projects | project     2
Projects are estimated to cost     $ 165.5
Estimated cost of the project is expected to be reviewed in a future rate   $ 247.0  
Subsequent Event      
Public Utilities, General Disclosures [Line Items]      
Estimated cost of the project is expected to be reviewed in a future rate $ 595.0