Compare price and performance of the Top Brands to find the best 3 kW solar system. Buy the lowest cost 3kW solar kit priced from $1.70 to $2.25 per watt with the latest, most powerful solar panels, module optimizers, or micro-inverters with lifetime monitoring. For home or business, every PV system qualifies for tax credits and rebates.
CLICK ON A SOLAR KIT BELOW to review parts list, specifications, and prices.
What You Get
Every system includes solar panels, inverters, rack mounting, cables, and optional monitoring
9 to 12 panels generate 430 kWh / mo (varies)
UL Certified with up to 25 year manufacturer warranty
Mount on rooftop or ground (optional); up to 250 sf
Flat-rate shipping with lift-gate service to continental U.S.
These 3kW size grid-connect solar kits include solar panels, solar inverter, racking system for roof mount, hardware, cabling and instructions. These are complete PV power systems that can work for a home or business, with everything you need to get the system up and running. The kits include hardware components only; does NOT include labor. FreeCleanSolar has a big selection of affordable 3 kW PV systems for sale.
A 3kW Solar Kit requires up to 250 square feet of space. 3kW or 3 kilowatts is 3,000 watts of DC direct current power. This could produce an estimated 200 to 550 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 3kW PV systems can generate.
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