Median solar home system size in the U.S. 2010-2023

Published by Lucía Fernández, Jan 14, 2025

The median system size for residential solar photovoltaics in the United States has increased over the last few years. In 2023, the median size of a home solar system in the U.S. stood at 7.4 kilowatts direct current. In comparison, the median size in 2010 was just over five kilowatts direct current. The cost of solar photovoltaics has declined steadily in the last decade.

Median size of residential solar systems installed in the United States from 2010 to 2023 (in kilowatts direct current)

CharacteristicSystem size in kilowatts direct current
2023 7.4
2022 7.3
2021 7.1
2020 6.7
2019 6.6
2018 6.5
2017 6.4
2016 6.2
2015 6
2014 5.8
2013 5.5
2012 5.3
2011 5.2
Showing entries 1 to 13 (14 entries in total)
Created with Highcharts 7.2.2System size in kilowatts direct current5.25.25.25.25.35.35.55.55.85.8666.26.26.46.46.56.56.66.66.76.77.17.17.37.37.47.420102011201220132014201520162017201820192020202120222023
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Release date

September 2024

Region

United States

Survey time period

2010 to 2023

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