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Photovoltaics
Water Heating
Pool Heating
Space Heating
Legend:
Residential
Large
(9.3 - 27 kW)
Medium
(3.9 - 9.3 kW)
Small
(up to 3.9 kW)
Ranked via kW capacity
Commercial
Large
(947 - 3,076 mmbtu)
Medium
(272 - 974 mmbtu)
Small
(up to 272 mmbtu)
Ranked via mmbtu generated per year