Three residential solar + storage takeaways from EnergySage’s 2021 online shopping data

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Online solar marketplace EnergySage took a look at the data for the solar and battery quotes in its system (covering 37 states and D.C.) and reported on 2021 trends in its 14th semiannual Solar Marketplace Intel Report. Here are three takeaways:

Solar prices increase for the first time. For over seven years, the quoted price of solar has decreased on EnergySage every six months. As expected, that trend reversed for the first time since EnergySage began tracking prices in 2014. The increase was slight though, 0.4 percent, most likely due to the effects of supply chain constraints and shortages.

More customers buying solar PV systems with energy storage capabilities. Interest in energy storage is higher than ever in the EnergySage marketplace, with 70 percent of customers requesting storage quotes when creating their accounts. That demand is slowly converting to higher attachment rates as well. In 2021, 13 percent of residential systems installed through EnergySage included energy storage, up from 9 percent in 2020.

Equipment choice is prevalent as market share varies widely at the state level. Costs, consumer preferences, and installer offerings all seem to shift significantly by location. In 73 percent of the states where EnergySage operates, solar shoppers received quotes including 10 or more different equipment pairings in 2021. – a strong sign of significant competition and customer choice on EnergySage. The most quoted panel brand in most states? Silfab. Enphase remains the most quoted inverter brand.

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