Black Hills Corp posted Q1 2026 adjusted EPS of $1.79 versus the $1.90 forecast, missing by $0.11 (5.8%).
Revenue fell to $780.7 million, 10.1% below the $868.41 million estimate, driven by warm‑winter weather and merger costs.
Shares rose 1.87% in after‑hours to $75.22 as investors kept confidence in the full‑year EPS guidance of $4.25‑$4.45.
The company highlighted $0.24/share rate benefits, $0.10/share O&M savings, and progress on the NorthWestern Energy merger.