WESTERN COLORADO

Delta-Montrose Electric Association will withdraw its membership in Tri-State Generation and Transmission Association next year, concluding a protracted, contentious legal battle that shined a spotlight on a growing movement to tap into more renewable energy.

The rural electric cooperative with 28,000 members in Montrose, Delta and Gunnison counties and the Westminster-based wholesale power supplier with 43 members in four states reached a settlement that resolves various disputes...