Massachusetts · Tax exemption · Deep-stack program

MA Solar Energy Property Tax Exemption

Removes a tax burden residential solar owners in Massachusetts would otherwise carry -- see what it covers, eligibility, and payback impact below.

20-year exemption
stated benefit
Residential
eligible customers
9.2 yr
Massachusetts baseline payback
4
other Massachusetts programs
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Deep-stack program · late directory

Massachusetts runs a 5-program DSIRE stack; this tax exemption is one layer on a 9.2-year modeled baseline, not the whole story.

  • Stack5 programs
  • In-state #3/4
  • Type #17/45
  • Baseline9.2 yr

In-state directory place #3 of 4 (late alphabet). National tax exemption directory #17 of 45. Amounts and eligibility change; verify with the official program page before relying on a dollar figure. Informational only - not financial advice. See our disclaimer.

Program description

Solar systems installed on residential property are exempt from MA property tax for 20 years.

Program at a glance

Program type
Tax exemption
Eligible customers
Residential
Stated benefit
20-year exemption
State electricity rate
27.5¢/kWh
Massachusetts solar score
41/100

Solar's trajectory in Massachusetts

The market this incentive operates in: total installed solar capacity in Massachusetts reported to the EIA.

0 MW500 MW1.0 GW1.5 GW2.0 GW 20102012201420162018202020222024 1.4 GW
Massachusetts now has about 1.4 GW of installed solar, the backdrop programs like this one are built on.

Source: U.S. Energy Information Administration, installed solar nameplate capacity As of 2024

Massachusetts's solar incentive stack

How this tax exemption sits among Massachusetts's 4 tracked programs, by type

programs

What this shows Massachusetts tracks 4 incentive types; 1 are tax exemptions like this one, removing a cost solar owners would otherwise carry, on top of the state's other program types.

Source DSIRE incentives registry As of 2024

How this tax exemption layers inside Massachusetts's deep stack

The MA Solar Energy Property Tax Exemption removes a tax burden solar owners would otherwise carry, one of Massachusetts's DSIRE-tracked solar incentive programs. Eligibility is scoped to residential customers, with a stated benefit of 20-year exemption. DSIRE lists no scheduled sunset, though enabling legislation and appropriations can still be revised year to year.

That's the backdrop this incentive works against. Massachusetts averages 4.2 kWh/m²/day of usable sunlight and residential rates of 27.5¢/kWh, producing an estimated 7,358 kWh/year and $2,023 of annual utility offset on a typical 6 kW system costing $18,600. That baseline already implies a 9.2-year simple payback and a 25-year modeled net of roughly $31,975 before this incentive - every dollar this tax exemption delivers compresses that payback further.

Massachusetts bundles a deep incentive stack, so this program rarely stands alone. Massachusetts has 5 solar incentive programs indexed in DSIRE, including adjacent options like MA Net Metering, Massachusetts SMART Program, Commonwealth Solar Rebate. The state's net-metering policy is classified as full, which governs how excess generation is credited and often decides whether a given program is worth claiming for a specific household.

Frequently asked questions

Where does the MA Solar Energy Property Tax Exemption sit in Massachusetts's deep program stack?
The MA Solar Energy Property Tax Exemption is a tax exemption available to residential solar customers in Massachusetts. The stated benefit is 20-year exemption.
How does this tax exemption work beside Massachusetts's other programs?
Solar systems installed on residential property are exempt from MA property tax for 20 years.
Who qualifies, and what does a late in-state directory place mean?
The program is available to residential customers in Massachusetts. Check the official program page for current eligibility requirements and deadlines. In-state directory place #3 of 4 (late alphabet).
How does this incentive affect solar ROI in Massachusetts?
Massachusetts has an estimated 9.2-year payback for a 6 kW system before incentives, with about $2,023/year in modeled savings. A tax exemption like this lowers upfront cost or raises annual return, shortening that payback. Run the calculator for a figure based on your own bill.
Which other Massachusetts programs stack with this one?
Massachusetts has 5 solar incentive programs tracked in DSIRE, including MA Net Metering, Massachusetts SMART Program, Commonwealth Solar Rebate. State programs are designed to stack on top of any available federal solar tax credit rather than replace it.

Incentive data from the DSIRE (Database of State Incentives for Renewables & Efficiency); state solar economics from NREL and the U.S. EIA. See our methodology · Massachusetts solar data · ROI calculator · All incentives.