Compare price and performance of the Top Brands to find the best 20 kW solar system. Buy the lowest cost 20kW solar kit priced from $1.08 to $2.00 per watt with the latest, most powerful solar panels, module optimizers, or micro-inverters. For home or business, save 30% with a solar tax credit.
CLICK ON A SOLAR KIT to review parts list, specifications, and prices for DIY or FULL-SERVICE installation.
What You Get with Every PV System
Solar panels, inverters, roof mounting, cables, BOS
58 to 80 panels generate 3,300 kWh / mo (varies)
UL Certified with up to 30 year manufacturer warranty
Mount on rooftop or ground (optional); up to 1,500 sf
Flat-rate shipping with lift-gate service to continental U.S.
FreeCleanSolar has a big selection of affordable 20 kW PV systems for sale. These 20 kW size grid-connected solar kits include solar panels, DC-to-AC inverter, rack mounting system, hardware, cabling, permit plans and instructions. These are complete PV solar power systems that can work for a home or business, with just about everything you need to get the system up and running quickly. The kit prices shown include hardware components only
A 20kW Solar Kit requires up to 1,500 square feet of space. 20kW or 20 kilowatts is 20,000 watts of DC direct current power. This could produce an estimated 2,500 to 3,000 kilowatt hours (kWh) of alternating current (AC) power per month, assuming at least 5 sun hours per day with the solar array facing South. The highest output will be achieved with an unobstructed south-facing view of the sun for maximum solar power. The actual power generated will vary based on location, equipment and installation factors. Refer to your electric utility bill to find the actual kWh used per month and compare it to how much power these low cost 20kW PV systems can generate.
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