TradesSolar
Solar tools
Decision tools for solar work.
Solar Solar System Size and Panel Count Turn your annual kWh usage and sun hours into a PV array size and panel count, and pick an offset target. Solar Inverter DC:AC Ratio Size a solar inverter to the array with the DC:AC loading ratio, and weigh clipping against cost by climate. Solar Solar String Sizing Find the modules-per-string range for an inverter using temperature-corrected module voltage. Solar Solar DC Wire and Voltage Drop Size a PV DC circuit conductor by NEC 690.8 ampacity and by voltage drop, and see which one governs. Solar Solar Battery Bank Sizing Size a battery bank in kWh and amp-hours from your daily load and days of autonomy.