Solar Panel Cost in St. Paul, MN
Estimated costs and savings for ZIP code 55101 — updated for 2026
Urgent tax credit deadlines
- Section 48E phase-out completes December 31, 2027 — projects must be placed in service by then (515 days left).
Gross Cost
$21,700
7kW system
Annual Savings
$1,737
$145/month
Payback Period
12.5 yrs
Break-even
Peak Sun Hours
4
hrs/day avg
Solar System Cost Breakdown — St. Paul, MN
Estimated costs and savings for different residential solar system sizes in ZIP 55101. Costs based on MN average of $3.10/W and utility rate of $0.20/kWh.
| System | Cost | Savings/yr | Payback |
|---|---|---|---|
| 4 kW | $12,400 | $993 | 12.5 yrs |
| 5 kW | $15,500 | $1,241 | 12.5 yrs |
| 6 kW | $18,600 | $1,489 | 12.5 yrs |
| 7 kW(typical) | $21,700 | $1,737 | 12.5 yrs |
| 8 kW | $24,800 | $1,986 | 12.5 yrs |
| 10 kW | $31,000 | $2,482 | 12.5 yrs |
Solar Production in St. Paul, Minnesota
Average Peak Sun Hours
4 hours/day
Moderate solar resource — still cost-effective
Est. Annual Production (7kW)
8,687 kWh
Based on 4 PSH × 7kW × 365 days × 85% efficiency
Average Utility Rate
$0.20/kWh
High utility rates make solar especially valuable
Cost Per Watt in MN
$3.10/W
Near national average for installed cost
Solar Panel FAQ — St. Paul, MN
How much do solar panels cost in St. Paul, MN?
A typical 7kW solar system in St. Paul, MN (ZIP 55101) costs approximately $21,700 before any incentives. This works out to about $3.10 per watt installed. Smaller systems start around $12,400, while larger 10kW systems can cost up to $31,000.
How long is the solar payback period in St. Paul?
The average solar payback period in St. Paul, MN is approximately 12.5 years for a 7kW system. With estimated annual savings of $1,737, 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 55101?
Homeowners in St. Paul, MN (ZIP 55101) can save approximately $145 per month or $1,737 per year with a standard 7kW solar system. Over 25 years, total savings can exceed $43,425, depending on utility rate increases.
How many peak sun hours does St. Paul get?
St. Paul, MN receives an average of 4 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 St. Paul?
The average home in St. Paul, MN 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 8,687 kWh annually in ZIP 55101.
Solar Tools for Minnesota
Looking for another area? Browse all ZIP codes →