Typical home: Worth it

Solar in Dedham, MA

With Eversource Massachusetts's electricity at about 32.4¢ per kWh and 1,313 kWh of sun per kW, solar is worth it for a typical Dedham home today: about a 7.1-year payback.

Payback, typical home
7.1 yrsMassachusetts: 7.6 yrs
25-year net
$62,888after paying $16,750
Sun
1,313kWh per kW per year
Electricity
32.4¢80% above U.S. average

A typical Dedham home, by the numbers

UtilityEversource Massachusetts
Electricity use548 kWh a month
Best-value system5 kW, about 12 panels, 6,565 kWh a year (100% of use)
Cost$17,750, or $16,750 after state incentives
First-year savings$2,032
Payback7.1 years
Exported powerFull retail net metering (Massachusetts rule)

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

Solar production per kW in Dedham

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

Show as a table
PeriodValue
Jan82
Feb91
Mar126
Apr125
May138
Jun134
Jul144
Aug129
Sep115
Oct90
Nov78
Dec62

Homes in Dedham

Owner-occupied homes
73%
Single-family detached
65%
Median home value
$662k
Median year built
1956
Population
25,237
Roofs suitable for solar†
70%

Census ACS 2020–2024. †Share of 5,760 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

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 Dedham

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 Dedham

Is solar worth it in Dedham, MA?

For a typical home in Dedham, solar is worth it at 2026 prices: a 5 kW system costs about $16,750 after state incentives, saves about $2,032 in year one and pays back in about 7.1 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Dedham?

About 1,313 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 Dedham?

Most homes in Dedham are served by Eversource Massachusetts, at about 32.4¢ per kWh on average.

How much do solar panels cost in Dedham?

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.