Typical home: Worth it

Solar in Weymouth Town, MA

With National Grid Massachusetts's electricity at about 33.9¢ per kWh and 1,320 kWh of sun per kW, solar is worth it for a typical Weymouth Town home today: about a 6.9-year payback.

Payback, typical home
6.9 yrsMassachusetts: 7.6 yrs
25-year net
$66,908after paying $16,750
Sun
1,320kWh per kW per year
Electricity
33.9¢88% above U.S. average

A typical Weymouth Town home, by the numbers

UtilityNational Grid Massachusetts
Electricity use549 kWh a month
Best-value system5 kW, about 12 panels, 6,601 kWh a year (100% of use)
Cost$17,750, or $16,750 after state incentives
First-year savings$2,126
Payback6.9 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 Weymouth Town

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

Show as a table
PeriodValue
Jan82
Feb91
Mar128
Apr125
May139
Jun134
Jul142
Aug133
Sep122
Oct94
Nov72
Dec59

Homes in Weymouth Town

Owner-occupied homes
67%
Single-family detached
55%
Median home value
$552k
Median year built
1964
Population
58,505

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 Weymouth Town

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 Weymouth Town

Is solar worth it in Weymouth Town, MA?

For a typical home in Weymouth Town, solar is worth it at 2026 prices: a 5 kW system costs about $16,750 after state incentives, saves about $2,126 in year one and pays back in about 6.9 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Weymouth Town?

About 1,320 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 2% more than the Massachusetts average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Weymouth Town?

Most homes in Weymouth Town are served by National Grid Massachusetts, at about 33.9¢ per kWh on average. Some areas are served by Town of Braintree.

How much do solar panels cost in Weymouth Town?

A fair cash price is around $3.35 per watt before incentives, so about $17,750 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.