154 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Westford: Boundless, Inc., CR Score 60/100; 4.8★ from 464 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Team Sunshine Construction, LLC., posts 24/7 hours; ranked #2 of 154.
Most-reviewed: Neeeco, 3,580 Google reviews at 4.9★, the most of 154 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
154 Westford solar installers are ranked here by CR Score, from ten published factors. 18 are open 24/7, 95 open Saturdays and 39 open Sundays, based on posted hours. The median Google rating is 4.9★ across 154 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Boundless, Inc. | 60 | 4.8★ (464) | Marlborough, 18 mi away | Sat · Sun | Overall |
| 2 | Team Sunshine Construction, LLC. | 59 | 4.7★ (181) | Boston, 23 mi away | 24/7 | Emergencies |
| 3 | Sunrun Solar | 58 | 4.4★ (276) | Billerica, 11 mi away | Sat · Sun | — |
| 4 | Great Sky Solar | 58 | 5.0★ (468) | Lexington, 16 mi away | — | — |
| 5 | Boston Solar | 58 | 4.7★ (1,357) | Woburn, 15 mi away | — | — |
| 6 | EnergySage | 57 | 4.8★ (1,027) | Boston, 25 mi away | — | — |
| 7 | Neeeco | 57 | 4.9★ (3,580) | Wilmington, 15 mi away | Sat · Evenings | Most reviews |
| 8 | Sun Team | 56 | 4.9★ (18) | Ashburnham, 12 mi away | Sat · Sun · Evenings | — |
| 9 | Nexis Power LLC | 56 | 5.0★ (62) | Woburn, 17 mi away | Sat | — |
| 10 | Go Green Industries | 56 | 4.9★ (15) | Westford | Sat | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.8★ from 464 Google reviews, listed on Google as “Solar energy company”.
Based in Boston, 23 mi away
Ranked #2 because of its Google rating and trade focus: 4.7★ from 181 Google reviews, listed on Google as “Solar energy system service”.
Based in Billerica, 11 mi away
Ranked #3 because of its Google rating and trade focus: 4.4★ from 276 Google reviews, listed on Google as “Solar energy company”.
Based in Lexington, 16 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 468 Google reviews, listed on Google as “Solar energy company”.
Based in Woburn, 15 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 1,357 Google reviews, listed on Google as “Solar energy company”.
Based in Boston, 25 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 1,027 Google reviews, listed on Google as “Solar energy company”.
Based in Wilmington, 15 mi away
Ranked #7 because of its Google rating and review volume: 4.9★ from 3,580 Google reviews, the most in Westford.
Based in Ashburnham, 12 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 18 Google reviews, listed on Google as “Solar energy company”.
Based in Woburn, 17 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Solar energy company”.
Based in Westford
Ranked #10 because of its Google rating and trade focus: 4.9★ from 15 Google reviews, listed on Google as “Solar energy company”.
Based in Danvers, 24 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 213 Google reviews, listed on Google as “Solar energy company”.
Based in Needham, 23 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 115 Google reviews, listed on Google as “Electrical installation service”.
Based in Athol, 31 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Solar energy company”.
Based in Andover, 16 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Solar energy company”.
Based in Danvers, 26 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 125 Google reviews, listed on Google as “Solar energy company”.
Based in Methuen, 16 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Solar energy company”.
Based in Chelmsford, 6 mi away
Ranked #17 because of its Google rating and trade focus: 4.7★ from 82 Google reviews, listed on Google as “Solar energy company”.
Based in Saugus, 22 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Solar energy company”.
Based in Tewksbury, 10 mi away
Ranked #19 because of its Google rating and review volume: 5.0★ from 100 Google reviews.
Based in Woburn, 18 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Solar energy company”.
Based in Billerica, 9 mi away
Ranked #21 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based in Clinton, 14 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Solar energy company”.
Based in Woburn, 17 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 114 Google reviews, listed on Google as “Solar energy company”.
Based in Marlborough, 18 mi away
Ranked #24 because of its Google rating and review volume: 5.0★ from 164 Google reviews.
Based in Lowell, 7 mi away
Ranked #25 because of its Google rating and trade focus: 4.4★ from 23 Google reviews, listed on Google as “Solar energy company”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 154 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Bright Home Solutions, Inc. | 55 | 5.0★ (62) | 15 mi |
| 27 | Brightstar Solar | 55 | 4.9★ (100) | 18 mi |
| 28 | Momentum Solar Massachusetts | 54 | 4.0★ (198) | 20 mi |
| 29 | Sunrun Solar | 54 | 4.4★ (27) | 20 mi |
| 30 | Golden Group Roofing & Solar | 54 | 4.9★ (174) | 23 mi |
| 31 | ReVision Energy | 54 | 4.8★ (139) | 19 mi |
| 32 | Sunrun Solar | 54 | 4.1★ (239) | 26 mi |
| 33 | SunPower Corporation | 54 | 4.5★ (154) | 25 mi |
| 34 | Intelligent Solar | 54 | 5.0★ (44) | 13 mi |
| 35 | Freedom Forever | 54 | 4.4★ (261) | 15 mi |
| 36 | Kind Heart Solar Solutions | 54 | 5.0★ (5) | 24 mi |
| 37 | Ecoflux cleaning and professional services | 54 | 4.7★ (81) | 8 mi |
| 38 | SunGrow Energy Corp | 54 | 5.0★ (4) | 23 mi |
| 39 | DeFreitas Enterprises, LLC | 54 | 4.4★ (7) | 5 mi |
| 40 | Solstice | 54 | 4.9★ (74) | 20 mi |
| 41 | SAVKAT SOLAR | 54 | 5.0★ (24) | 22 mi |
| 42 | Northeast Industrial Roof | 54 | 5.0★ (123) | 21 mi |
| 43 | Leominster Solar Solutions | 54 | 5.0★ (5) | 16 mi |
| 44 | Mark The Solar Expert | 54 | 4.9★ (35) | 35 mi |
| 45 | East Coast Renewable Energy, LLC | 54 | 5.0★ (19) | 7 mi |
| 46 | Sunday Energy | 54 | 4.9★ (19) | 16 mi |
| 47 | HAREI | 53 | 5.0★ (4) | 25 mi |
| 48 | Eco Boston Solar Experts | 53 | 5.0★ (9) | 23 mi |
| 49 | Avid Solar LLC | 53 | 4.6★ (9) | 20 mi |
| 50 | Sunup Solar | 53 | 5.0★ (46) | 31 mi |
20 more solar installers within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 777 Smart Solar & Cleaning | 5.0★ (2) | 40 mi |
| Alex Valley Electrician | 5.0★ (2) | 33 mi |
| BD Electrical & Solar | 5.0★ (2) | 36 mi |
| Bright Lite Energy | 3.0★ (2) | 22 mi |
| Devlin Contracting | 5.0★ (2) | 36 mi |
| Direct Energy Plan | 5.0★ (2) | 40 mi |
| Go Solar | 5.0★ (2) | 25 mi |
| iSP (Ion Solar Pros) | 5.0★ (2) | 27 mi |
| LastMile Energy, LLC | 5.0★ (2) | 34 mi |
| Navisun LLC | 3.0★ (2) | 35 mi |
| NEC Solar | 5.0★ (2) | 19 mi |
| New Leaf Energy | 1.0★ (1) | 5 mi |
| Relay Power | 4.0★ (2) | 14 mi |
| Renewables Worldwide, Inc. | 5.0★ (2) | 16 mi |
| Solar By Jake | 4.5★ (2) | 39 mi |
| Solar Powered by Mario's | 5.0★ (2) | 37 mi |
| Solar Rays | 5.0★ (2) | 40 mi |
| Sun Diagnostics Company | 5.0★ (2) | In Westford |
| Sun Hour Energy | 5.0★ (2) | 20 mi |
| Tesla Solar | 3.0★ (2) | 24 mi |
Typical prices in USD, adjusted for Massachusetts with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | $28,990 | $32,790 | $35,670 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.05 New England factor (2025 Cost vs. Value Report) | October 2026 |
We scored 154 Westford solar installers on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Westford data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |