Solar Savings

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Daily

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Monthly

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Annual

Number of panels

System size—

Install cost—

Payback—

Calculating…

Adding your location will look up the area's average rates and hours of sun per year.

Rate: 0.12 USD / kWh (flat rate used)

System: 10 × 400 W

Climate: 70% sunny · 1,643 sun-h/yr

Cost: panels $2,500 · inverter $1,500 · labor $10,000 · no tax credit assumed

Edit assumptions

Rate ($/kWh)

Flat rate used — no time-of-use modeling.

Panel watts

Panel cost ($/panel)

10 panels × 400 W = 4.0 kW

Sunny days%

Inverter cost ($)

Labor cost ($)

DIY install? Use $0.

Tax credit (%)

No tax credits assumed by default. Applied as discount to total install cost.