Typical home: Not worth it

Solar in Boise City, ID

With Idaho Power's electricity at about 12.6¢ per kWh and 1,468 kWh of sun per kW, solar is not worth it for a typical Boise City home today: about a 17.9-year payback.

Payback, typical home
17.9 yrsIdaho: 18.3 yrs
25-year net
$3,891after paying $8,649
Sun
1,468kWh per kW per year
Electricity
12.6¢30% below U.S. average

A typical Boise City home, by the numbers

UtilityIdaho Power
Electricity use899 kWh a month
Best-value system3.7 kW, about 9 panels, 5,433 kWh a year (50% of use)
Cost$14,415, or $8,649 after state incentives
First-year savings$540
Payback17.9 years
Exported power4.5¢/kWh (Idaho Power)

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

Solar production per kW in Boise City

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

Show as a table
PeriodValue
Jan57
Feb81
Mar109
Apr152
May163
Jun171
Jul179
Aug170
Sep145
Oct118
Nov70
Dec55

Homes in Boise City

Owner-occupied homes
63%
Single-family detached
64%
Median home value
$485k
Median year built
1986
Population
237,242

Census ACS 2020–2024.

Installers working in Boise City

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 Boise City

Is solar worth it in Boise City, ID?

For a typical home in Boise City, solar is not worth it at 2026 prices: a 3.7 kW system costs about $8,649 after state incentives, saves about $540 in year one and pays back in about 17.9 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Boise City?

About 1,468 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 3% more than the Idaho average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Boise City?

Most homes in Boise City are served by Idaho Power, at about 12.6¢ per kWh on average.

How much do solar panels cost in Boise City?

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.