On average, a 5kW inverter will cost between $1,000 and $3,000, with additional costs for installation, solar panels, and other electrical components. . Capable of producing 5330 watts of DC (direct current) power, this microinverter solar kit is a solid choice for average electricity consumers. It requires up to 299 square feet of space and produces 350 to 850 kWh of energy monthly. Moreover, it can offset monthly electric usage by 40 to 90% while. . With prices ranging from $11,000 to $15,000 before incentives, 5kW solar kits have become increasingly popular due to their balance of power output, space requirements, and return on investment. After applying the 30% federal Investment Tax Credit (ITC), your effective cost drops to $7,700-$10,500. . This high-power, low cost solar energy system generates 4,950 watts (5 kW) of grid-tied electricity with (9) 550 watt Axitec XXL bi-facial model AC-550MBT/144V, SMA Sunny Boy Smart Energy inverter, Sunny Portal 24/7 monitoring, disconnect box, rooftop. This affordable, high-efficiency 5. 4 kW. . How much money can you save for your family? Cost savings = annual power generation × local electricity price Based on the typical residential electricity price of $0. It's easier to break down the cost of an off-grid solar system when you stick with a particular power consumption need. Price and other details may vary based on product size and color. ClimeCo certifies products whose carbon emissions have been assessed, verified, decarbonized. .