Utility moves away from coal

CASPER – Wyoming’s largest utility doesn’t see much coal in its future. 

By 2030, only two of Rocky Mountain Power’s 11 Wyoming coal-burning units will remain, according to the biennial Integrated Resource Plan it filed Friday with state regulators. 

It plans to convert a handful of others to run on natural gas — and keep those gas units open until some combination of renewables, storage and advanced nuclear becomes established enough to take their place. 

The utility has opted to preserve coal use at one Glenrock unit for an extra 12 years, but it has also decided to ditch coa...