Typical home: Not worth it

Solar in St. Paul, MN

With Xcel Energy Minnesota's electricity at about 17.0¢ per kWh and 1,325 kWh of sun per kW, solar is not worth it for a typical St. Paul home today: about a 16.6-year payback.

Payback, typical home
16.6 yrsMinnesota: 16.8 yrs
25-year net
$13,007after paying $19,750
Sun
1,325kWh per kW per year
Electricity
17.0¢5% below U.S. average

A typical St. Paul home, by the numbers

UtilityXcel Energy Minnesota
Electricity use615 kWh a month
Best-value system5 kW, about 12 panels, 6,627 kWh a year (90% of use)
Cost$19,750
First-year savings$1,127
Payback16.6 years
Exported powerFull retail net metering (Xcel Energy Minnesota)

Cash purchase, no federal credit, 2.7% yearly rate increases. Run it with your own numbers.

Solar production per kW in St. Paul

kWh per kW each month, south-facing at 20° tilt. PVWatts v8 with local typical-year weather.

Show as a table
PeriodValue
Jan68
Feb99
Mar130
Apr134
May136
Jun144
Jul147
Aug141
Sep114
Oct87
Nov65
Dec60

Homes in St. Paul

Owner-occupied homes
53%
Single-family detached
48%
Median home value
$295k
Median year built
1952
Population
307,284

Census ACS 2020–2024.

Older housing stock. Many homes here were built before 1975. Have the roof and electrical panel checked before signing; a roof or panel upgrade can add thousands. Roof first?

Installers working in St. Paul

Public installation records for Minnesota don't name installers, so we can't rank local companies here. Browse installers in Minnesota.

Always verify the license and get at least three quotes. Compare quotes side by side.

Questions about solar in St. Paul

Is solar worth it in St. Paul, MN?

For a typical home in St. Paul, solar is not worth it at 2026 prices: a 5 kW system costs about $19,750 after state incentives, saves about $1,127 in year one and pays back in about 16.6 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in St. Paul?

About 1,325 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% less than the Minnesota average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in St. Paul?

Most homes in St. Paul are served by Xcel Energy Minnesota, at about 17.0¢ per kWh on average.

How much do solar panels cost in St. Paul?

A fair cash price is around $3.75 per watt before incentives, so about $19,750 for a 5 kW system. There's no federal tax credit for homeowners who buy in 2026.

Nearby

Data: PVWatts (National Laboratory of the Rockies), EIA-861 2025 adjusted to 2026, U.S. Census ACS, LBNL Tracking the Sun, state policy research as of October 2026.