Homer Pro 3.15 - Portable

Please note that HOMER Pro has moved to newer versions (e.g., 3.16, 3.18, and later releases). Version 3.15 is no longer the current release. Users should consider upgrading to the latest stable version for bug fixes and new features (such as Python API support, enhanced Li-ion battery thermal modeling, and more utility rate structures).

HOMER Pro 3.15 is a version of the industry-standard microgrid modeling software developed by HOMER Energy (now part of UL Solutions). This version introduced several enhancements and feature updates focused on improving accuracy, usability, and integration with modern energy technologies. homer pro 3.15

Energy systems aren't static. HOMER Pro 3.15 offers robust multi-year simulation capabilities, allowing you to model system performance over a 20 or 30-year project life, accounting for PV degradation and load growth over time. The HOMER Decision Engine: How It Works Please note that HOMER Pro has moved to newer versions (e

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