Solar Panel Savings Calculator
Calculate annual savings by combining sunlight hours, panel wattage, number of panels and electricity cost.
Estimates only; actual savings depend on system efficiency and local conditions.
Examples
- 5 h, 300 W, 10 panels, $0.12/kWh ⇒ $657/year
- 4 h, 400 W, 8 panels, $0.15/kWh ⇒ $700.80/year
FAQ
Does it account for panel efficiency?
No, it assumes panels operate at their rated wattage.
What about installation costs?
This calculator focuses only on potential energy savings.
Can I use local electricity rates?
Yes, enter your utility's cost per kWh for personalized results.
Additional Information
- 1 kWh equals 1000 watt-hours.
- Sun hours represent average peak sunlight per day.