Arizona Public Service (APS) said it plans to convert two closed coal-fired units at its Cholla Power Plant to burn natural gas. The utility this month said construction on the conversion would begin ...

A retired coal plant in Arizona is getting a second lease on life with a conversion to natural gas generation. Arizona Public Service (APS) announced it plans to convert two units at its Cholla Power ...

'Today's decision is the lowest-cost option to preserve the plant's 400-MW generating capacity, enough to serve 90,000 homes, which is important to meeting the Valley's growing power need in the early ...

Salt River Project wants to convert a coal-burning unit to natural gas at the Springerville Generating Station. The proposal passed an initial committee, but needs a final vote from its board. The ...