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Incentive Guide

Massachusetts Battery Storage Incentives

ConnectedSolutions demand response payments, federal 30% tax credit, and an honest look at when battery storage is actually worth it in Massachusetts.

Medium confidenceLast checked: April 20254 official sources
Quick Answer

Is battery storage worth it in Massachusetts?

Battery storage in Massachusetts makes financial sense primarily through the ConnectedSolutions program (demand response incentive payments of roughly $225–$525 per kW-year depending on utility, subject to annual program changes) or if you have strong backup power needs. Without ConnectedSolutions enrollment, standalone battery financial payback is typically 10–15+ years. Since tax year 2023, standalone batteries (not solar-paired) may qualify for the federal 30% 25D tax credit — consult a tax professional to confirm eligibility for your situation. Evaluate your actual use case before adding battery to a solar quote.

Available Incentives

ConnectedSolutions (Mass Save)
Most impactful
~$225–$525 per kW/year

Annual demand response payment for allowing your battery to discharge during peak grid events. Varies by utility — Eversource and National Grid rates differ.

Federal 30% Tax Credit (25D)
Standalone eligible since 2023
30% of battery cost

Since tax year 2023 (Inflation Reduction Act), standalone batteries with ≥3 kWh capacity may qualify for the 25D residential clean energy credit at 30% — solar pairing is no longer required. Eligibility requirements apply; consult a tax professional.

Net Metering / TOU benefit
Indirect
Varies

Value depends on your utility's time-of-use rates and net metering structure. Not a direct incentive but affects payback.

Battery likely worth it when…
You have solar and want ConnectedSolutions income
You have medical equipment requiring backup power
You experience frequent grid outages (3+ per year)
Your utility has high peak TOU rates (rate arbitrage)
You may qualify for the 30% federal 25D tax credit (standalone batteries eligible since 2023 — verify with a tax professional)
Battery probably not worth it when…
You don't have solar and aren't enrolling in ConnectedSolutions
You have infrequent outages and no critical loads
Battery is added to a solar quote without clear justification
Payback is calculated without disclosing loan interest
You're adding it to hit a minimum contract value
Check the battery bundling in your solar quote

Battery storage is frequently bundled into solar quotes without clear payback justification. Use the solar quote checker to see if the battery adds verifiable value in your situation. Solar quote checker ↗

Battery vs generator Solar + battery payback
Medium confidenceLast checked: April 20253 official sources linked

Not a government website. Rebate rules can change — always verify eligibility with your utility or contractor before assuming you qualify.

Official Sources
Mass Save – Battery Storage
Official program page
Apr 2025
Apr 2025