Top-Rated Home Battery Installers in Cambridge, MA
3 local companies ranked by 278 Google reviews. Free to compare, no sign-up.
Short answer: The top-rated home battery installers in Cambridge are E/R Electric (4.9★, 155 reviews), Cambridge Solar (4.4★, 79 reviews), Colman Electric (4.3★, 44 reviews).
Home Battery installers in Cambridge, ranked
- 4.9 (155 Google reviews)132 1/2 5th St, Cambridge, MA 02141
- 4.4 (79 Google reviews)Unit 6, Beech Court, Cambridge, Fenstanton, Huntingdon PE28 9RF, UK
- 4.3 (44 Google reviews)351 Cambridge St #1r, Cambridge, MA 02141
Together these 3 companies average 4.7★ across 278 reviews. E/R Electric has the most reviews (155).
Ranked by Google rating weighted by review count, collected September 2026. Rankings are not paid for. How we rank and how we make money.
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What a home battery costs in Cambridge
Price depends on the brand, how much storage you want, and whether you need a panel upgrade. Ask for the price per usable kWh so quotes are easy to compare.
Financing or future programs may still help. Check the rebate page before you sign.
Rebates: our verified program data, checked monthly. Always confirm the exact amount for your home.
Talk to a home energy auditor first. Some utility programs want an audit before any work starts. See the top-rated home energy auditors in Cambridge.
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Which battery should you ask about?
Most home installers work with a few brands. Compare usable storage (kWh), how much power it can deliver at once (kW), whether it works in an unheated garage, and the warranty. Our side-by-side guides cover the Tesla Powerwall 3, Enphase IQ Battery 5P, Eguana Evolve and FranklinWH aPower 2. Compare home batteries.
Before you hire a home battery installer
- Ask for the usable storage (kWh) and the continuous power (kW), and which circuits it will keep running in an outage.
- Ask whether the battery is on your rebate program's approved list. Brands not on the list get no rebate.
- Ask where it will go. Some batteries lose capacity or stop charging in a cold garage.
- Ask about the warranty: years, and how much capacity it keeps by the end.
Questions about home battery installers in Cambridge
Who is the best home battery installer in Cambridge?
Based on Google reviews, the top-rated home battery installers in Cambridge are E/R Electric (4.9★, 155 reviews), Cambridge Solar (4.4★, 79 reviews), Colman Electric (4.3★, 44 reviews). We rank by a review-weighted score, so companies with many strong reviews rank above those with only a few.
How are the home battery installers in Cambridge ranked?
We list 3 home battery companies in Cambridge, ranked by Google rating weighted by review count. Together they have 278 Google reviews and average 4.7 stars, collected September 2026. E/R Electric has the most reviews (155). No company pays to be listed or ranked.
How much does a home battery installation cost in Cambridge?
Battery prices depend on the brand, how much storage you want, and whether you need a panel upgrade. Ask for the price per usable kWh so quotes are easy to compare.
Are there rebates for home batteries in Cambridge?
We have no confirmed open home battery rebate for Cambridge right now. Financing or future programs may still help, so check the rebate page before you sign.
What should I ask a home battery installer before I hire?
Ask for the usable storage (kWh) and the continuous power (kW), and which circuits it will keep running in an outage. Ask whether the battery is on your rebate program's approved list. Brands not on the list get no rebate. Ask where it will go. Some batteries lose capacity or stop charging in a cold garage.
Before you call anyone, check what home battery rebates you can get in Cambridge. Many programs require approval or a registered contractor before work starts.
Planning more upgrades? See the top-rated heat pump installers, home energy auditors in Cambridge.
How to read these results
- Open the profile.How a installer describes its own work tells you a lot. Look for jobs like yours.
- Read the Google reviews.Stars and counts come from Google Maps. Click through and read what past customers wrote, good and bad.
- Check for program badges.A green registered-contractor badge means the company is on the program's own list, which some rebates require.
- Compare three.Do not stop at the first good installer. Three quotes show you the real range in price, equipment and plan.
Not ready to talk to a contractor yet?
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