The announcement comes a few months after Tucson Electric Power said it would do the same for the units it owns at Springerville Generating Station.

The decision comes as the nation grapples with what its transition to cleaner energy sources should look like — or if it ...

India's import curbs on metallurgical coke, a key steelmaking fuel, have become a concern for many producers, Jayant Acharya, ...

In a move that will reduce carbon emissions, the SRP board of directors approved plans to convert coal-fired generating ...