How Many Solar Panels Are There In The Us

We then took 11 000 kwh and divided it by the respective ratios and then divided that number by 250 the typical panel wattage.

How many solar panels are there in the us.

Annual pv solar radiation in the united states source nrel the current standard size of panels used in a large sized solar plant is easily over 350w. First solar is the largest us based solar panel manufacturer with an annual production of 1 9gw of solar modules. There are over 1 47 million solar panels in use across the contiguous 48 states according to satellite machine learning from researchers at stanford. Installations have grown 35 fold to an estimated 62 5 gigawatts gw today.

This is enough capacity to power the equivalent of 12 million average american homes 1. The exact number changes depending on the specifications of the chosen panel model as well as the sunshine available at the project site. Assuming this power rating we would need to divide 2 75 tw by 350w which gives us the gigantic number of 7 85 billion 7 857 142 857 to be precise panels required. A home that consumes 1 000 kwh per month will normally need between 20 and 30 solar panels.

As of the end of 2019 the united states had over 71 3 gigawatts gw of installed photovoltaic capacity. In order to find a range for number of solar panels we compared arizona and maine s solar panel production ratios 1 31 and 1 61 the highest and lowest in the u s. Solar power in the united states includes utility scale solar power plants as well as local distributed generation mostly from rooftop photovoltaics. Since the beginning of 2014 the average cost of solar photovoltaic pv panels has dropped nearly 50 2.

It s great to know there s an increased chance of getting american made solar panels.