Solar Panel Cost in Madison, WI
Estimated costs and savings for ZIP code 53703 — updated for 2026
Urgent tax credit deadlines
- Section 48E phase-out completes December 31, 2027 — projects must be placed in service by then (469 days left).
Gross Cost
$19,460
7kW system
Annual Savings
$1,800
$150/month
Payback Period
10.8 yrs
Break-even
Peak Sun Hours
4.2
hrs/day avg
Solar System Cost Breakdown — Madison, WI
Estimated costs and savings for different residential solar system sizes in ZIP 53703. Costs based on WI average of $2.78/W and utility rate of $0.20/kWh.
| System | Cost | Savings/yr | Payback |
|---|---|---|---|
| 4 kW | $11,120 | $1,029 | 10.8 yrs |
| 5 kW | $13,900 | $1,286 | 10.8 yrs |
| 6 kW | $16,680 | $1,543 | 10.8 yrs |
| 7 kW(typical) | $19,460 | $1,800 | 10.8 yrs |
| 8 kW | $22,240 | $2,058 | 10.8 yrs |
| 10 kW | $27,800 | $2,572 | 10.8 yrs |
Solar Production in Madison, Wisconsin
Average Peak Sun Hours
4.2 hours/day
Moderate solar resource — still cost-effective
Est. Annual Production (7kW)
9,121 kWh
Based on 4.2 PSH × 7kW × 365 days × 85% efficiency
Average Utility Rate
$0.20/kWh
High utility rates make solar especially valuable
Cost Per Watt in WI
$2.78/W
Below national average — competitive market
Solar Panel FAQ — Madison, WI
How much do solar panels cost in Madison, WI?
A typical 7kW solar system in Madison, WI (ZIP 53703) costs approximately $19,460 before any incentives. This works out to about $2.78 per watt installed. Smaller systems start around $11,120, while larger 10kW systems can cost up to $27,800.
How long is the solar payback period in Madison?
The average solar payback period in Madison, WI is approximately 10.8 years for a 7kW system. With estimated annual savings of $1,800, the system pays for itself and then generates free electricity for the remaining 15-20+ years of its lifespan.
How much can I save with solar panels in 53703?
Homeowners in Madison, WI (ZIP 53703) can save approximately $150 per month or $1,800 per year with a standard 7kW solar system. Over 25 years, total savings can exceed $45,000, depending on utility rate increases.
How many peak sun hours does Madison get?
Madison, WI receives an average of 4.2 peak sun hours per day. This is near the national average, making solar a solid investment in this area.
What size solar system do I need for my home in Madison?
The average home in Madison, WI needs a 7kW solar system to offset their electricity usage. The exact size depends on your monthly electric bill, roof orientation, and available space. A 7kW system would produce approximately 9,121 kWh annually in ZIP 53703.
Solar Tools for Wisconsin
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