Energy & environment · 29/01/2026

Tucson Electric Power Company, UNS Electric, Inc., UniSource Energy Development Company, Tucson Electric Power Company; Notice of Institution of Section 206 Proceeding and Refund Effective Date

The Federal Energy Regulatory Commission has initiated a proceeding against Tucson Electric Power Company, UNS Electric, Inc., and UniSource Energy Development Company to review their rates and determine a refund effective date.