2020 CEC Solar Efficiency Standards
California PV System Size Calculator
Calculate PV Solar System Sizing for California
New Dwelling Energy Compliance
Quickly estimate size & browse solar power systems for new dwelling energy efficiency requirements by climate zone (includes battery storage option).
- Select appropriate climate zone (unsure? check zip code )
- Enter total square footage of conditioned floor area
- Enter number of units for new dwelling (ex: “1”=single family home, “2”=duplex, etc)
- Results are auto-calculated with compatible systems ready to view
Energy efficiency standards go into effect in California (CA) on January 1, 2020 by the California Energy Commission (CEC) & enforced by the California Building Standards Commission (CBSC) - read new CA solar efficiency standards.
Below, learn how you can actually profit from California's solar mandate!
Unbound Solar California New Home Construction Calculator
ATTN: Contractors, Roofers, Electricians, Builders, & Developers
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Brent and his family live on a grid-tied ranch in California, powered by a 5 kW solar system he installed himself. Brent and the rest of the Unbound Solar team are here to answer any questions you have about designing a system that will fit your needs. Give us a call—we’re here to help.