Black Hills Corp posted Q1 2026 adjusted EPS of $1.79, missing the $1.90 forecast by $0.11 (5.8%).
Revenue fell to $780.7 million, 10.1% below the $868.4 million estimate, due to warm winter weather and merger costs.
Shares rose 1.87% after hours to $75.22 and the company reaffirmed full‑year EPS guidance of $4.25‑$4.45.
Management highlighted a 99 MW generation project, 50 MW battery storage, large‑load data‑center pipeline and progress on the NorthWestern Energy merger.