Plug-In Solar Savings & Resilience Calculator

See exactly how much you can save on electricity bills and how much backup power you can store. Honest estimates based on real utility rate data. System cost auto-calculated from current market averages ($0.80/W panels + $400 inverter for solar-only, $0.75/Wh battery w/ inverter). No federal tax credit — it expired December 2025.

Choose a Package — or customize below

Customize Your Setup

Your Locationauto-sets rate + sun hours
or
800W
200W3,000W
1,600Wh
None5,000Wh
Estimated System Cost
$0.80/W panels + $0.75/Wh battery
$1,840
Panels: $640Battery (incl. inverter): $1,200
14.5¢/kWh
8¢ (low)45¢ (CT/HI)
4.5h
2h (AK/WA)8h (AZ)
Time-of-Use (TOU) Rate Optimization
Battery discharges during peak hours for maximum savings

Pick a package or customize, then calculate

Choose a preset above or adjust the sliders to match your situation, then click "Calculate My Savings."

Based on real utility rate data (EIA)
Conservative, honest estimates
Auto-calculated cost from market averages
Peak sun hours auto-set by state
Full methodology shown
800W + 1,600Wh · $1,840