Grape Solar GS-4600-KIT Residential 4,600 Watt Grid-Tied Solar Power System Kit Kit includes 20 Grape Solar 230 watt solar panels, a PVP4800 inverter, and a roof-top racking system Easy to install Reduce your energy bill and go green Easy expansion by simply adding more kits Eligible for Federal, State, and County rebates and tax breaks to reduce your solar investment