Solar Industry Update

Why is there such price variation? • Residential - - - Some of the variation in residential pricing can be explained by different installers; state environments; temporal differences between when a system or component has a quoted price and when a system is installed; and sizes in datasets. 2022 system size: LBNL (7.2 kW); NREL (7.9 kW); EnergySage (10.2 kW); Sunrun (7.2 kW). However, when accounting for these factors, large discrepancies still exist. NREL | 30

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