Wondering how much you could save on electricity bills with solar panels? Our free Solar Panel Savings Calculator estimates your annual savings, system payback period, 25-year return on investment, and federal tax credit — based on your current monthly electricity bill and location. No email required, instant results.
Solar Panel Savings Calculator 2026
How Much Do Solar Panels Save in 2026?
The average US homeowner saves $1,500–$2,500 per year on electricity bills after installing solar panels, based on the national average electricity rate of $0.18/kWh and a typical 8 kW system. Over 25 years, that is $30,000–$60,000 in savings — before accounting for electricity rate increases, which average 3% per year historically.
Your actual savings depend on: your current electricity bill, local electricity rates, roof orientation and shading, state solar incentives, and net metering policies in your area.
2026 Federal Solar Tax Credit (ITC)
The federal Investment Tax Credit (ITC) provides a 30% tax credit on the full cost of a residential solar system — including panels, inverter, mounting hardware, and installation labor. This credit applies to systems installed from 2022 through 2032 under the Inflation Reduction Act.
| System Cost | 30% ITC Credit | Net Cost After Credit |
|---|---|---|
| $15,000 | $4,500 | $10,500 |
| $20,000 | $6,000 | $14,000 |
| $25,000 | $7,500 | $17,500 |
| $30,000 | $9,000 | $21,000 |
Average Solar Payback Period by State (2026)
| State | Avg. Rate ($/kWh) | Est. Payback |
|---|---|---|
| Hawaii | $0.40 | 5–6 years |
| California | $0.28 | 7–8 years |
| New England | $0.24 | 8–9 years |
| National Average | $0.18 | 9–12 years |
| Texas / Midwest | $0.12 | 13–16 years |
Frequently Asked Questions
How much do solar panels save per year?
The average US homeowner saves $1,500–$2,500 per year with solar panels. Savings vary widely by electricity rate, system size, and usage offset. At $0.18/kWh with a $150/month bill and 100% solar offset, annual savings are approximately $1,800. In high-rate states like California ($0.28/kWh) or Hawaii ($0.40/kWh), annual savings can reach $3,000–$6,000.
What is the 30% solar tax credit in 2026?
The federal Investment Tax Credit (ITC) under the Inflation Reduction Act allows homeowners to deduct 30% of their total solar installation cost from their federal taxes. A $20,000 system qualifies for a $6,000 tax credit, reducing the effective net cost to $14,000. The 30% credit is available for systems installed through 2032.
How long is the payback period for solar panels?
The average solar payback period in the US is 9–12 years after the federal tax credit. Payback is faster in high-electricity-rate states (6–8 years in California and Hawaii) and slower in low-rate states (13–16 years in Texas and the Midwest). After payback, the panels generate free electricity for the remaining 10–15+ years of their 25-year warranty life.
Does my electricity rate affect solar savings?
Yes — significantly. Solar savings are directly proportional to your electricity rate. If you pay $0.30/kWh (New England), solar panels save you nearly 2.5 times more money per kWh than someone paying $0.12/kWh (Texas). This is why solar has a shorter payback in high-rate states even though sunlight hours are similar.
How much do solar panels cost in 2026?
The average cost of a residential solar system in the US is $15,000–$30,000 before the federal tax credit, or $10,500–$21,000 after the 30% ITC. A typical 8 kW system costs approximately $18,000–$22,000 before incentives. Prices have fallen roughly 90% since 2010 and continue to decline gradually in 2026.