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
This calculator provides a basic estimate for research and initial planning purposes
only.
Select Climate Zone
CFA Formula
Dwelling Units
Forumula
Enter Floor Area (sq.ft.)
Enter Number of Units
Minimum System Size:
System Size:
kW
Minimum System Size With
Storage:
System Size with Storage:
kW
Questions? Chat with us!
Wil has been a part of the solar industry for over 20 years; as an electrician, solar installer, support technician, and more. He's also been living off-grid since 1996. Wil 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.