RAPID CITY, S.D., March 24, 2025 (GLOBE NEWSWIRE) -- Black Hills Corp. (NYSE: BKH) today announced that its electric utility subsidiary in Colorado received approval from the Colorado Public Utilities Commission for new rates. The approved new rates will provide recovery of approximately 370millionofsysteminvestmentssincetheutility’slastgeneralratefilingin2016andinflationaryimpactsoncoststoservecustomers.Theapprovednewratesprovideapproximately17.0 million of new annual revenues ...