☀️ Solar Panel Calculator by State — 2026
Compare solar panel ROI, savings, and payback periods across all 50 US states. Click any state for a detailed calculator with year-by-year projections.
🏆 Best States for Solar ROI
- 🌺 Hawaii2.8 yr payback
- 🌴 California5.3 yr payback
- 🏠 Massachusetts7.7 yr payback
- 🌵 Arizona8.1 yr payback
- 🌵 New Mexico8.3 yr payback
- 🗽 New York8.7 yr payback
- 🌴 South Carolina8.9 yr payback
- 🏠 Connecticut9.2 yr payback
- 🏠 Rhode Island9.3 yr payback
- 🌊 Florida9.8 yr payback
⚡ Highest Electricity Rates
- 🌺 Hawaii$0.430/kWh
- 🌴 California$0.285/kWh
- 🏠 Massachusetts$0.285/kWh
- 🏠 Connecticut$0.268/kWh
- 🏠 Rhode Island$0.265/kWh
- 🏔️ Alaska$0.237/kWh
- 🏔️ New Hampshire$0.235/kWh
- 🦞 Maine$0.225/kWh
- 🗽 New York$0.225/kWh
- 🍁 Vermont$0.205/kWh
All 50 States
🌺 Hawaii
5.4h sun · $0.430/kWh · State credit
⚡ 2.8 year payback
🌴 California
5.8h sun · $0.285/kWh
⚡ 5.3 year payback
🏠 Massachusetts
4.2h sun · $0.285/kWh · State credit
⚡ 7.7 year payback
🌵 Arizona
6.5h sun · $0.136/kWh · State credit
⚡ 8.1 year payback
🌵 New Mexico
6.3h sun · $0.138/kWh · State credit
⚡ 8.3 year payback
🗽 New York
4h sun · $0.225/kWh · State credit
⚡ 8.7 year payback
🌴 South Carolina
5.1h sun · $0.138/kWh · State credit
⚡ 8.9 year payback
🏠 Connecticut
4.2h sun · $0.268/kWh
⚡ 9.2 year payback
🏠 Rhode Island
4.2h sun · $0.265/kWh
⚡ 9.3 year payback
🌊 Florida
5.6h sun · $0.145/kWh
⚡ 9.8 year payback
🥔 Idaho
4.8h sun · $0.105/kWh · State credit
⚡ 10.0 year payback
🎰 Nevada
6.2h sun · $0.128/kWh
⚡ 10.1 year payback
⛰️ Colorado
5.5h sun · $0.145/kWh
⚡ 10.5 year payback
🤠 Texas
5.5h sun · $0.138/kWh
⚡ 10.5 year payback
🏔️ New Hampshire
4.1h sun · $0.235/kWh
⚡ 10.8 year payback
🦞 Maine
4.1h sun · $0.225/kWh
⚡ 10.8 year payback
🌻 Kansas
5.1h sun · $0.138/kWh
⚡ 11.9 year payback
🍑 Georgia
5h sun · $0.135/kWh
⚡ 12.4 year payback
🏖️ New Jersey
4.4h sun · $0.175/kWh
⚡ 12.5 year payback
🍁 Vermont
3.9h sun · $0.205/kWh
⚡ 12.5 year payback
🌾 Iowa
4.4h sun · $0.135/kWh · State credit
⚡ 12.6 year payback
🏔️ Alaska
3.2h sun · $0.237/kWh
⚡ 12.6 year payback
🏠 North Carolina
5h sun · $0.128/kWh
⚡ 13.1 year payback
🦀 Maryland
4.5h sun · $0.155/kWh
⚡ 13.2 year payback
🏔️ Utah
5.5h sun · $0.115/kWh
⚡ 13.3 year payback
🏠 Alabama
4.8h sun · $0.138/kWh
⚡ 13.3 year payback
🏠 Mississippi
4.9h sun · $0.128/kWh
⚡ 13.4 year payback
🏠 Oklahoma
5.2h sun · $0.118/kWh
⚡ 13.7 year payback
🌽 Illinois
4.3h sun · $0.155/kWh
⚡ 13.8 year payback
🏠 Michigan
3.8h sun · $0.175/kWh
⚡ 13.8 year payback
🏠 Virginia
4.6h sun · $0.138/kWh
⚡ 13.8 year payback
🏖️ Delaware
4.5h sun · $0.145/kWh
⚡ 14.1 year payback
⚜️ Louisiana
5h sun · $0.118/kWh
⚡ 14.2 year payback
🏔️ Wyoming
5.2h sun · $0.118/kWh
⚡ 14.3 year payback
🔔 Pennsylvania
4.1h sun · $0.155/kWh
⚡ 14.5 year payback
🏠 Arkansas
4.9h sun · $0.118/kWh
⚡ 14.5 year payback
🏠 Missouri
4.6h sun · $0.125/kWh
⚡ 14.6 year payback
🏔️ South Dakota
4.8h sun · $0.125/kWh
⚡ 14.6 year payback
🏠 Indiana
4.2h sun · $0.142/kWh
⚡ 14.7 year payback
🌽 Nebraska
4.8h sun · $0.118/kWh
⚡ 14.8 year payback
🧀 Wisconsin
4h sun · $0.155/kWh
⚡ 14.8 year payback
❄️ Minnesota
4.2h sun · $0.145/kWh
⚡ 15.1 year payback
🎸 Tennessee
4.6h sun · $0.118/kWh
⚡ 15.5 year payback
🏠 Ohio
3.9h sun · $0.145/kWh
⚡ 15.5 year payback
🏔️ Montana
4.6h sun · $0.118/kWh
⚡ 16.2 year payback
🌾 North Dakota
4.5h sun · $0.118/kWh
⚡ 16.6 year payback
🐎 Kentucky
4.3h sun · $0.122/kWh
⚡ 16.8 year payback
⛰️ West Virginia
4.1h sun · $0.125/kWh
⚡ 17.2 year payback
🌲 Oregon
4h sun · $0.125/kWh
⚡ 18.4 year payback
🌲 Washington
3.6h sun · $0.115/kWh
⚡ 22.2 year payback