☀️ Solar Panel System Calculator

Size a solar system based on your electricity usage. Includes cost estimate, payback period, and 25-year savings.

Monthly Usage (kWh) — check your bill

Or Monthly Bill ($) — we'll estimate kWh

Electricity Rate ($/kWh)

Offset Target (%)

Peak Sun Hours/Day — your area avg

Shading

Panel Wattage

Cost Per Watt (installed)

Available Roof Space (sq ft) — optional