Where can I find a free solar cost calculator?

Solar.com offers a free solar cost calculator that uses Google’s Project Sunroof and real-time utility rates to estimate how much you can save by going solar. Using the calculator is easy. Click the link above to open it in a new tab, and we’ll talk you through how to use it!

How to calculate solar panel output?

To find the solar panel output, use the following solar power formula: output = solar panel kilowatts × environmental factor × solar hours per day. The output will be given in kWh, and, in practice, it will depend on how sunny it is since the number of solar hours per day is just an average. How to calculate the solar panels needs for camping?

How much does it cost to install solar panels?

So, if the calculator gave you a lifetime energy cost of $26,099 for a cash purchase, you can estimate that installation labor will make up around $1,300 and the solar modules themselves cost around $4,700.

How much does a 8 kW solar system cost?

The average installation cost for an 8 kW system is $25,680. Dividing this by yearly electricity cost, we see that the solar panels for home use would return the investment after nearly 23 years.

How accurate is a solar estimate based on a monthly electric bill?

Although not very accurate, you can use the amount of your monthly electric bill for a ballpark estimate of how much solar is needed. Select the closest monthly electric bill amount below to see an estimate.

Can I still use solar resource data in PVWatts ®?

You can still use solar resource data available in the older version of PVWatts ® by choosing a legacy data option, but we recommend using the new data because of its higher quality, better spatial resolution so you can use data for the exact location of your project, and because it covers a larger part of the world.