Solar Software P2 Reference 4 min read Reviewed June 4, 2026

HOMER

HOMER is the leading hybrid renewable energy system modeling software for solar + storage + diesel.

Definition

HOMER (Hybrid Optimization of Multiple Energy Resources) is a software platform from HOMER Energy that models and optimizes hybrid renewable energy systems combining solar, wind, batteries, fuel cells, and diesel generators. Used for off-grid, microgrid, and islanded applications.

Key Takeaways

  • HOMER = hybrid renewable energy system modeling.
  • Best for off-grid, microgrid, solar + storage + diesel optimization.
  • Commercial product (UL Solutions).
  • HOMER Pro / Grid / Front variants for different use cases.
  • Complements (doesn’t replace) PVsyst for grid-tied PV bankable studies.

Frequently Asked Questions

3 commonly searched questions about HOMER.

What is HOMER?
HOMER (Hybrid Optimization of Multiple Energy Resources) — software for modeling and optimizing hybrid renewable energy systems. Strong for off-grid, microgrid, and storage-heavy designs.
Free or commercial?
HOMER Energy (UL Solutions): commercial product. HOMER Pro, HOMER Grid, HOMER Front. Per-license pricing.
When use HOMER vs. PVsyst?
HOMER: off-grid + storage + diesel optimization. PVsyst: grid-tied PV bankable yield. Different specialties.

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