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HOMER Energy

Modelling software for designing and sizing microgrids and hybrid renewable power systems, from off-grid to utility scale

About HOMER Energy

HOMER Energy develops software for modelling hybrid power systems and microgrids, now offered by UL Solutions. Its tools weigh engineering against economics to find the lowest-cost mix of generation and storage for a given load.

What HOMER Energy does

  • HOMER Pro: sizes off-grid, remote and islanded systems, modelling solar, wind, diesel, thermal and hydro generation alongside storage.
  • HOMER Grid: for grid-connected commercial and industrial sites, handling demand charges, tariffs and energy arbitrage with solar and storage, including EV charging.
  • HOMER Front: for utility-scale solar, wind and battery projects, with multi-year dispatch modelling, market participation and bankability analysis.
  • Advisory services: UL Solutions specialists help with techno-economic studies.
  • Training: courses on the software and on analysis methods.

Customers and markets

The software is used by system designers, developers and investors working on anything from small microgrids to large utility projects, in on-grid and off-grid settings.

Key facts

  • Based in: United States
  • Owner: UL Solutions
  • Users: upwards of 250,000 designers and project developers, spread across more than 190 countries

Profile written by TrustList from the business's own published information, Sep 2026.

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