Solar Savings Calculator
Estimate annual solar generation from system size, local peak sun hours, and a performance factor. Compare its value at your electricity rate with installed cost after incentives; actual utility credits, financing, and production vary.
Solar Savings Calculator
Estimate annual solar generation from system size, local peak sun hours, and a performance factor. Compare its value at your electricity rate with installed cost after incentives; actual utility credits, financing, and production vary.
Method and assumptions
Figur applies straightforward arithmetic to the values you enter. The calculation runs locally in your browser and is not stored.
- The result depends on accurate inputs and units.
- External factors, fees, taxes, or rules not requested by the calculator are not included.
- Use the result as a planning estimate and verify any high-stakes decision.
Sources and references
No external data source is required: this calculator uses standard arithmetic and the values you enter.
Frequently asked questions
What performance factor should I use?
About 75% to 85% is a practical planning range for inverter, temperature, soiling, and other system losses. Shading or a poor roof orientation can lower production further.
Does payback include financing or rate changes?
No. This is a simple cash payback using today’s rate and stated incentives. Get local quotes and review net-metering rules, tax eligibility, degradation, and financing terms.