Rooftop Solar Generation Increased in 2019

By Peter Fabris, Contributing Editor | November 13, 2019
Photo by EE Image Database on / CC BY-NC

The output of small-scale solar power, such as distributed rooftop systems, increased by 19.1% and provided 32.6% of total solar electrical generation in the first eight months of 2019 compared to the same period in 2018. According to, solar accounted for slightly more than 2.7% of total electrical output in the U.S. during this period.
The growth rate of distributed solar was greater than any other energy source. Wind and solar together accounted for 9.64% of U.S. electrical generation through the end of August. Renewable energy sources—solar, wind, biomass, geothermal and hydropower—accounted for 18.49% of net domestic electrical generation during the first eight months of the year.

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