Calculators and Solar Decision-Making Tools

A number of on-line calculators have been developed to help you make a decision about going solar!

Please note that not all of them will agree with each other, and some may use generalized assumptions.

These calculator may not be a true reflection of the costs or the pay-back period for your new solar electricity system.

CECPV Calculator (for New Solar Homes Partnership)
www.gosolarcalifornia.ca.gov/nshpcalculator/

CSI Expected Performance Based Buydown Calculator
www.csi-epbb.com/

Clean Power Estimator
gosolarcalifornia.cleanpowerestimator.com/gosolarcalifornia.htm

List of Decision-Making Tools from the U.S. Department of Energy
www1.eere.energy.gov/solar/decision_tools.html

PV Watts Calculator from National Renewable Energy Laboratory
http://rredc.nrel.gov/solar/codes_algs/PVWATTS/