Environmentalists continue to push for a coal-free plant in Tucson.
An Altar Valley conservation group has reached a financial agreement with Kinder Morgan and will withdraw opposition to the company’s Sierrita gas pipeline.
Tucson-based UNS Energy Corp. posted higher first-quarter profits despite lower sales at Tucson Electric Power Co., thanks to a rate increase that went into effect last year.
Tucson Electric Power Co. customers will likely see their monthly bills rise a few dollars, as state regulators reset a financial mechanism linked to fuel and purchased-power costs.
Oscar Wilde once famously said the optimist sees the doughnut, and the pessimist sees the hole. Contemporary Washington is fixated on the holes even as doughnuts are arriving by the dozen.
Tucson Electric Power Co. is swapping a chunk of its coal-fired power generation for cleaner-burning natural gas.
If you live in an older home, Southwest Gas may be willing to replace your natural-gas lines — for free.
Tucson Electric Power says it's diversifying its energy portfolio by getting less power from a coal-fired plant in eastern Arizona while moving to expand its purchases of power generated by natural gas.
The following editorial appeared Thursday in the Washington Post:
The Tohono O'odham Nation is taking action to officially oppose a proposed pipeline project in the Altar Valley.
The Pima County Board of Supervisors will officially oppose a planned natural gas pipeline between Tucson and Sasabe.
The Buenos Aires National Wildlife Refuge would be either just east of the pipeline's route to Mexico or bisected by it. Refuge officials, however, say going through it would be too disruptive to wildlife, including the endangered masked bobwhite quail.
Kinder Morgan has applied to build a new natural gas pipeline just west of the Buenos Aires National Wildlife Refuge boundary - a decision that is pitting county, state and federal officials in a dispute over where it should go.
Pima County and Border Patrol officials, among others, want the proposed pipeline to run next to Arizona 286 through the refuge.
With natural gas prices at their lowest levels in years, Tucson Electric Power Co. hasn't been burning coal at its south-side power plant lately.
With natural gas prices at their lowest levels in years, Tucson Electric Power Co. hasn’t been burning coal at its south-side power plant lately.
The city of Tucson will get $5.6 million in federal grants to
replace aging SunTran buses and upgrade a bus fueling station.