193 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Mansfield: Isaksen Solar, CR Score 60/100; 4.9★ from 591 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Team Sunshine Construction, LLC., posts 24/7 hours; ranked #4 of 193.
Most-reviewed: Boston Solar, 1,357 Google reviews at 4.7★, the most of 193 ranked; ranked #28.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
193 Mansfield solar installers are ranked here by CR Score, from ten published factors. 21 are open 24/7, 110 open Saturdays and 47 open Sundays, based on posted hours. The median Google rating is 4.9★ across 193 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Isaksen Solar | 60 | 4.9★ (591) | Fall River, 23 mi away | Sat · Sun · Evenings | Overall |
| 2 | Sunrun Solar | 60 | 4.5★ (476) | Taunton, 7 mi away | Sat · Sun | — |
| 3 | Summit Energy | 60 | 4.7★ (824) | Mansfield | — | — |
| 4 | Team Sunshine Construction, LLC. | 59 | 4.7★ (181) | Boston, 25 mi away | 24/7 | Emergencies |
| 5 | Boundless, Inc. | 58 | 4.8★ (464) | Marlborough, 28 mi away | Sat · Sun | — |
| 6 | OneGrid Energy Integration | 57 | 5.0★ (57) | Providence, 18 mi away | Sat · Sun · Evenings | — |
| 7 | EnergySage | 57 | 4.8★ (1,027) | Boston, 24 mi away | — | — |
| 8 | NEC Electric & Solar | 57 | 5.0★ (115) | Needham, 17 mi away | 24/7 | — |
| 9 | Shamrock Well and Pump LLC | 57 | 4.9★ (354) | Cumberland, 11 mi away | 24/7 | — |
| 10 | Oberon Initiatives Inc. | 57 | 4.9★ (149) | Stoughton, 8 mi away | — | — |
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: 4.9★ from 591 Google reviews, listed on Google as “Solar energy company”.
Based in Taunton, 7 mi away
Ranked #2 because of its Google rating and trade focus: 4.5★ from 476 Google reviews, listed on Google as “Solar energy company”.
Based in Mansfield
Ranked #3 because of its Google rating and trade focus: 4.7★ from 824 Google reviews, listed on Google as “Solar energy company”.
Based in Boston, 25 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 181 Google reviews, listed on Google as “Solar energy system service”.
Based in Marlborough, 28 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 464 Google reviews, listed on Google as “Solar energy company”.
Based in Providence, 18 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Solar energy company”.
Based in Boston, 24 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 1,027 Google reviews, listed on Google as “Solar energy company”.
Based in Needham, 17 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 115 Google reviews, listed on Google as “Electrical installation service”.
Based in Cumberland, 11 mi away
Ranked #9 because of its Google rating and review volume: 4.9★ from 354 Google reviews.
Based in Stoughton, 8 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 149 Google reviews, listed on Google as “Solar energy company”.
Based in Pawtucket, 14 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 305 Google reviews, listed on Google as “Solar energy company”.
Based in Pawtucket, 12 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Solar energy company”.
Based in Lexington, 27 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 468 Google reviews, listed on Google as “Solar energy company”.
Based in Valley Falls, 9 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Solar energy company”.
Based in East Providence, 17 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Solar energy company”.
Based in Warwick, 25 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 810 Google reviews, listed on Google as “Solar energy company”.
Based in Middleborough, 26 mi away
Ranked #17 because of its Google rating and review volume: 5.0★ from 663 Google reviews.
Based in Stoughton, 10 mi away
Ranked #18 because of its Google rating and review volume: 5.0★ from 139 Google reviews.
Based in Hopkinton, 34 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 208 Google reviews, listed on Google as “Solar energy system service”.
Based in Taunton, 7 mi away
Ranked #20 because of its Google rating and trade focus: 4.5★ from 238 Google reviews, listed on Google as “Solar energy company”.
Based in Douglas, 6 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Solar energy company”.
Based in Cohasset, 25 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Solar energy company”.
Based in Grafton, 24 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Solar energy company”.
Based in Johnston, 21 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 65 Google reviews, listed on Google as “Solar energy company”.
Based in Providence, 19 mi away
Ranked #25 because of its Google rating and review volume: 5.0★ from 254 Google reviews.
#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 193 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | World Power LLP | 55 | 5.0★ (9) | 2 mi |
| 27 | AG Electric & Solar | 55 | 5.0★ (11) | 15 mi |
| 28 | Boston Solar | 55 | 4.7★ (1,357) | 33 mi |
| 29 | Trinity Solar | 55 | 4.5★ (457) | 30 mi |
| 30 | Momentum Solar Rhode Island | 55 | 4.5★ (46) | 24 mi |
| 31 | Sunrun Solar | 55 | 4.4★ (276) | 34 mi |
| 32 | SunPower Corporation | 54 | 4.5★ (154) | 24 mi |
| 33 | Powersol Solutions | 54 | 5.0★ (12) | 19 mi |
| 34 | Beacon Solar Construction | 54 | 4.8★ (122) | 17 mi |
| 35 | Sunwatt Solar | 54 | 4.9★ (79) | 15 mi |
| 36 | Sunrun Fusion New England | 54 | 4.2★ (19) | 8 mi |
| 37 | QSPS Housing Solutions | 54 | 4.8★ (283) | 21 mi |
| 38 | Gopower llc | 54 | 5.0★ (24) | 20 mi |
| 39 | NEC Solar | 54 | 5.0★ (91) | 23 mi |
| 40 | Kind Heart Solar Solutions | 54 | 5.0★ (5) | 24 mi |
| 41 | RTP Roofing | 54 | 5.0★ (197) | 25 mi |
| 42 | Neighborhood Solar | 54 | 5.0★ (45) | 38 mi |
| 43 | Devlin Energy | 54 | 3.9★ (76) | 19 mi |
| 44 | Nexis Power LLC | 54 | 5.0★ (62) | 33 mi |
| 45 | Sunrun Solar | 54 | 4.1★ (239) | 29 mi |
| 46 | Golden Group Roofing & Solar | 54 | 4.9★ (174) | 28 mi |
| 47 | NEC Electric & Solar | 54 | 4.9★ (251) | 23 mi |
| 48 | Ecoloop Solar Solutions | 54 | 4.9★ (125) | 40 mi |
| 49 | Clean Solar Energy - Massachusetts | 54 | 5.0★ (23) | 32 mi |
| 50 | Luminous Energy | 53 | 4.5★ (8) | 19 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) | 24 mi |
| Accredited Solar Advisors | 5.0★ (2) | 31 mi |
| Associated Energy Developers (AED) | 5.0★ (2) | 27 mi |
| Bright Lite Energy | 3.0★ (2) | 21 mi |
| Devlin Contracting | 5.0★ (2) | 19 mi |
| Direct Energy Plan | 5.0★ (2) | 24 mi |
| Go Solar | 5.0★ (2) | 29 mi |
| iSP (Ion Solar Pros) | 5.0★ (2) | 20 mi |
| LastMile Energy, LLC | 5.0★ (2) | 8 mi |
| Love Solar Energy Services | 3.0★ (2) | 20 mi |
| Navisun LLC | 3.0★ (2) | 21 mi |
| NEC Solar | 5.0★ (2) | 21 mi |
| NORTHEASTERN CONSTRUCTION | 5.0★ (5) | In Mansfield |
| Peak Roofing | 4.8★ (36) | In Mansfield |
| Relay Power | 4.0★ (2) | 30 mi |
| Solar By Jake | 4.5★ (2) | 16 mi |
| Solar Powered by Mario's | 5.0★ (2) | 8 mi |
| Solar Rays | 5.0★ (2) | 24 mi |
| Tesla Solar | 3.0★ (2) | 23 mi |
| US SolarWorks | 5.0★ (2) | 7 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 193 Mansfield 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 Mansfield 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 |