Solar Panel Cost in Wisconsin (2026)
Installed solar in Wisconsin runs about $2.80 per watt — roughly 9% above the national average of $2.58/W. With the federal residential tax credit (25D) gone as of 2026, payback here rests on a $0.16/kWh power price and 4.2 daily peak sun hours.
Worked example: a typical $150/month home in Wisconsin
A $150/month electric bill in Wisconsin works out to about 11,250 kWh a year. Sizing a cash-purchase system to cover 100% of that:
System size
9.2 kW
Panels
23
Annual offset
100%
Gross cost
$28,260
Federal credit (25D)
$0
Expired 12/31/2025 — $0
State incentive
$0
Net cost
$28,260
Payback
13.0 yr
25-year savings
$37,407
Last updated June 30, 2026
Wisconsin solar numbers
- Installed price
- $2.80 / watt
- Electricity price
- $0.16 / kWh
- Peak sun hours
- 4.2 hrs/day
- State incentive
- 0%
- Net-metering value
- 100% of retail
Local context: Net metering and rising rates help Wisconsin offset its modest sun.
Estimate your own Wisconsin system
Adjust the bill, ownership, and battery options below — it's pre-set to Wisconsin's pricing and sun hours.
Estimated system cost
$34,330–$44,590
13.2 kW33 panels
Low $34kMost likely ~$39,460High $45k
Federal tax credit
— expired Dec 2025, we won't pretend otherwise
$0
State & utility incentives
$0
Est. annual savings
$2,590
Payback period
~12.7 yr
Net cost
$34k–$45k
25-year net savings
+$54,759
iA ballpark estimate for planning — not a final quote.
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