Solar System Sizing Tool — St. Paul, MN
Use our interactive tool to determine the right solar system size for your home in St. Paul. Adjust your monthly electricity bill and home size to see a personalized recommendation based on local solar conditions.
Size Your Solar System
$
Local rate: 15.5¢/kWh
ft
Peak sun hours: 4h/day
6.8
System Size (kW)
17
Panels Needed
306
Roof Space (sq ft)
$19,344
Est. Cost
9,910
Annual kWh
100%
Energy Offset
Energy Offset100% of your usage covered by solar
0%50%100%
How We Calculate Your System Size
Your recommended solar system size is based on several factors specific to St. Paul, MN:
- Electricity usage: Your monthly bill is converted to annual kWh consumption using the local rate of 15.5¢/kWh.
- Solar irradiance: St. Paul receives an average of 4 peak sun hours per day, which determines how much energy each panel produces.
- Panel specifications: We use 400W panels, each requiring approximately 18 sq ft of roof space, which is standard for modern residential installations.
- Roof space: The total roof area needed depends on the number of panels. The average home in St. Paul is 1,700 sq ft.
Solar at a Glance: St. Paul, MN
15.5¢
Avg Rate / kWh
4h
Peak Sun Hours / Day
6.8 kW
Avg Recommended Size
17
Avg Panels Needed
$19,344
Est. Cost (before incentives)
Xcel Energy
Utility Provider
Other Cities in Minnesota
Related Resources
Ready to Go Solar in St. Paul, MN?
Get a Custom Solar Design for St. Paul
Our experts will assess your roof, energy needs, and local conditions to design the perfect system for your St. Paul home.
Get Your Free Quote