Homer Pro 3.15 [updated] Online

By default, HOMER sets operating reserves (spinning reserve) based on a percentage of load. This ensures that if a cloud passes over the solar panels, the generator can pick up the slack instantly.

Homer Pro 3.15 now supports for long‑duration backup — but only in the Energy Storage extension module. It’s still rare, but it shows where microgrids are heading in 2026 and beyond. homer pro 3.15