 RAPID CITY, S.D., Jan. 11, 2023 GLOBE NEWSWIRE -- Black Hills Corp. NYSE: BKH will announce its 2022 fourth quarter and full year earnings after the market closes Tuesday, Feb. 7, 2023, and will host a live conference call and webcast at 11 a.m. EST on Wednesday, Feb. 8, 2023, to discuss the companys financial results. 