Typical home: Not worth it

Solar in Rexburg, ID

With PacifiCorp (Rocky Mountain Power / Pacific Power)'s electricity at about 14.7¢ per kWh and 1,425 kWh of sun per kW, solar is not worth it for a typical Rexburg home today: about a 16.1-year payback.

Payback, typical home
16.1 yrsIdaho: 18.3 yrs
25-year net
$5,487after paying $8,649
Sun
1,425kWh per kW per year
Electricity
14.7¢18% below U.S. average

A typical Rexburg home, by the numbers

UtilityPacifiCorp (Rocky Mountain Power / Pacific Power)
Electricity use889 kWh a month
Best-value system3.7 kW, about 9 panels, 5,271 kWh a year (49% of use)
Cost$14,415, or $8,649 after state incentives
First-year savings$590
Payback16.1 years
Exported power4.3¢/kWh (PacifiCorp (Rocky Mountain Power / Pacific Power))

Cash purchase, no federal credit, 1.8% yearly rate increases. Run it with your own numbers.

Solar production per kW in Rexburg

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

Show as a table
PeriodValue
Jan53
Feb69
Mar118
Apr139
May167
Jun168
Jul176
Aug167
Sep137
Oct118
Nov70
Dec44

Homes in Rexburg

Owner-occupied homes
23%
Single-family detached
22%
Median home value
$395k
Median year built
2005
Population
40,543

Census ACS 2020–2024.

Installers working in Rexburg

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

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

Questions about solar in Rexburg

Is solar worth it in Rexburg, ID?

For a typical home in Rexburg, solar is not worth it at 2026 prices: a 3.7 kW system costs about $8,649 after state incentives, saves about $590 in year one and pays back in about 16.1 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Rexburg?

About 1,425 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 0% more than the Idaho average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Rexburg?

Most homes in Rexburg are served by PacifiCorp (Rocky Mountain Power / Pacific Power), at about 14.7¢ per kWh on average.

How much do solar panels cost in Rexburg?

A fair cash price is around $3.45 per watt before incentives, so about $14,415 for a 3.7 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.