Solar Calculator

By investing in a Photovoltaic (PV) Solar System, you can save an enormous amount of money that will no longer be paid to the utility company.

Over the last 20 years, PG&E has averaged approx. 5% annual increases – rising from 4.79 cents/kwh in 1980 to 21.00 cents/kwh in 2013. (source:

This shows a solar energy system to be a good investment. See for yourself by using the solar calculators below:

My Solar estimate estimator solar wind calculator.


PG&E Solar Calculator

noaa solar calculator



This very handy calculator allows you to zero in on your house using satellite images.  You can then see how your house lines up with south, find solar noon, sunrise and sunset times for any date.



Energy Calculator

solar calculator