Black Hills Corp. Colorado Gas Subsidiary Requests Rate Review and System Safety and Integrity Rider

DENVER, Sept. 14, 2020 (GLOBE NEWSWIRE) -- Black Hills Corp.s (NYSE: BKH) Colorado natural gas utility, Black Hills Colorado Gas, Inc., doing business as Black Hills Energy, on Friday, Sept. 11, filed a rate review application with the Colorado Public Utilities Commission requesting $13.5 million in new annual revenue to recover the investments made in its natural-gas infrastructure to serve customers.