Typical home: Worth it

Solar in Northampton, MA

With National Grid Massachusetts's electricity at about 33.9¢ per kWh and 1,240 kWh of sun per kW, solar is worth it for a typical Northampton home today: about a 7.2-year payback.

Payback, typical home
7.2 yrsMassachusetts: 7.6 yrs
25-year net
$65,570after paying $17,605
Sun
1,240kWh per kW per year
Electricity
33.9¢88% above U.S. average

A typical Northampton home, by the numbers

UtilityNational Grid Massachusetts
Electricity use549 kWh a month
Best-value system5.3 kW, about 12 panels, 6,573 kWh a year (100% of use)
Cost$18,605, or $17,605 after state incentives
First-year savings$2,127
Payback7.2 years
Exported powerFull retail net metering (National Grid Massachusetts)

Cash purchase, no federal credit, 4.0% yearly rate increases. Run it with your own numbers.

Solar production per kW in Northampton

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

Show as a table
PeriodValue
Jan71
Feb93
Mar122
Apr112
May129
Jun124
Jul133
Aug130
Sep113
Oct87
Nov72
Dec55

Homes in Northampton

Owner-occupied homes
57%
Single-family detached
44%
Median home value
$430k
Median year built
1955
Population
30,962

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 Northampton

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

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

Questions about solar in Northampton

Is solar worth it in Northampton, MA?

For a typical home in Northampton, solar is worth it at 2026 prices: a 5.3 kW system costs about $17,605 after state incentives, saves about $2,127 in year one and pays back in about 7.2 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Northampton?

About 1,240 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 4% less than the Massachusetts average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Northampton?

Most homes in Northampton are served by National Grid Massachusetts, at about 33.9¢ per kWh on average.

How much do solar panels cost in Northampton?

A fair cash price is around $3.35 per watt before incentives, so about $18,605 for a 5.3 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.