Here are the 10-K annual reports from Black Hills Corporation (BKH) in our archive since June 2025, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 10-K covers the audited annual report, with the full financial statements, so if you follow BKH and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full BKH filings page.
Black Hills Corporation (BKH) files its annual report outlining a regulated electric and gas utility business serving about 227,000 electric customers and 1,138,000 natural gas customers across eight states. The company owns 1,386 MW of generation plus extensive electric and gas networks.
BKH has agreed to an all-stock business combination with NorthWestern Energy Group, expected to close in the second half of 2026, creating a combined utility serving approximately 0.7 million electric and 1.5 million gas customers. The report highlights clean energy goals, including a 40% reduction in electric utility emissions by 2030 and net-zero methane emissions for gas utilities by 2035, along with detailed regulatory frameworks, environmental and cybersecurity risks, and human capital metrics for its 2,795 employees.