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FERC Combined Notice of Filings 22nd Apr

The Federal Energy Regulatory Commission has published a Combined Notice of Filings listing three natural gas pipeline rate and refund report filings received. Black Hills/Kansas Gas Utility Company filed under Section 284.123 (AVTS Filing effective 4/1/2026); Portland Natural Gas Transmission System filed an administrative tariff update (effective 6/1/2026); and Transwestern Pipeline Company filed a negotiated rate filing (effective 5/1/2026). The notice establishes comment deadlines and instructs interested parties on intervention procedures.

Tucson Electric Power Company Section 206 Market-Based Rate Investigation

FERC instituted a Section 206 proceeding against Tucson Electric Power Company, UNS Electric, Inc., and UniSource Energy Development Company to investigate whether their market-based rate authority in the Tucson Electric balancing authority area is just, reasonable, and not unduly discriminatory. The refund effective date is set to the Federal Register publication date of April 9, 2026. Interested parties have 21 days from the order date (April 3, 2026) to file interventions in Docket No. EL26-55-000.