4 calculators in this category
- Solar Panel Payback Period CalculatorDiscounted cash flow analysisThis calculator returns the year your solar system finishes paying for itself, on two different definitions. Simple payback…
- Solar LCOE CalculatorNREL / IEA levelized cost of energy definitionLevelized cost of energy converts a generation asset into a single price per kilowatt-hour: the constant revenue per kWh that…
- Net Metering Savings CalculatorNet energy metering / net billing tariff arithmeticThis calculator tells you what a rooftop solar array is actually worth on your electric bill once your utility stops paying…
- Federal Solar Tax Credit (ITC) CalculatorIRS Form 5695 / 26 U.S.C. §25DThis calculator applies a solar tax credit to the right base, in the right order, and shows what you can actually use this…
Which one do you need?
- Solar Panel Payback Period Calculator
- Calculate simple and discounted solar payback in years, plus 25-year net savings, NPV and IRR, from system cost, incentives, production and rate escalation.
- Solar LCOE Calculator
- Calculate levelized cost of energy in cents per kWh from capital cost, output, degradation, O&M and discount rate. Compare solar LCOE to your utility rate.
- Net Metering Savings Calculator
- Calculate solar bill savings under net metering or net billing. Split output into self-consumed and exported kWh, credit each correctly, see annual savings.
- Federal Solar Tax Credit (ITC) Calculator
- Work out your federal solar tax credit, stack state credits and utility rebates in the right order, and see net cost, carryforward and cost per watt.