How much does a solar system cabinet cost?
A small inverter for a residential solar system with a capacity of around 1 - 5 kilowatts might come in a cabinet that costs between $500 - $1500. These cabinets are usually relatively small
American-made solar panels typically cost $0.05-0.15 per watt more than imported alternatives at the wholesale level. However, shorter lead times, reduced shipping costs, and domestic content tax credit bonuses often offset these premiums for end customers.
These benchmarks help measure progress toward goals for reducing solar electricity costs and guide SETO research and development programs. Read more to find out how these cost benchmarks are modeled and download the data and cost modeling program below.
Feldman, David, Vignesh Ramasamy, Ran Fu, Ashwin Ramdas, Jal Desai, and Robert Margolis. 2021. U.S. Solar Photovoltaic System Cost Benchmark: Q1 2020. Golden, CO: National Renewable Energy Laboratory. NREL/TP-6A20-77324.
Because AC-coupled systems have independent PV and battery systems with separate inverters, this hybrid configuration enables redundancy. For instance, if the battery-based inverter fails to operate, the PV system could operate independently as long as the grid is up. Total System Cost = $311.28*P + $300.24*P*H with an R squared value of 99.8.
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