A 5kW solar kit requires up to 400 square feet of space. This could produce an estimated 650 kilowatt hours (kWh) of alternating current (AC) power per month, assuming at least 5 sun hours per day with the solar array. . Our 5 kW solar systems feature DIY solar kits which will produce at least 5kW (or 5,000 watts) of power. Choose from a selection of 5kW solar kits with string inverters. . 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. 4kW solar kit Canadian 450 TOPcon black. . But what can a 5KW off-grid solar system really do for you? Whether you're powering a remote cabin, a small home, or preparing for energy independence, here's a breakdown of what to expect. This guide explores the features, benefits, and applications of the 5kW solar system, making it easier for you to understand why it's a smart investment.