93 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Fairhaven: Isaksen Solar, CR Score 90/100; 4.9★ from 591 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Premier Energy Solutions Inc., posts 24/7 hours; ranked #2 of 93.
Most-reviewed: Summit Energy, 824 Google reviews at 4.7★, the most of 93 ranked; ranked #28.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
93 Fairhaven solar installers are ranked here by CR Score, from 8 published factors. 10 are open 24/7, 47 open Saturdays and 22 open Sundays, based on posted hours. The median Google rating is 4.9★ across 93 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Isaksen Solar | 90 | 4.9★ (591) | Fall River, 14 mi away | Sat · Sun · Evenings | Overall |
| 2 | Premier Energy Solutions Inc. | 88 | 5.0★ (663) | Middleborough, 14 mi away | 24/7 | Emergencies |
| 3 | Portside Renewables LLC. | 86 | 5.0★ (39) | Mattapoisett, 5 mi away | — | — |
| 4 | Sunrun Solar | 84 | 4.5★ (476) | Taunton, 25 mi away | Sat · Sun | — |
| 5 | Neighborhood Solar | 83 | 5.0★ (45) | Newport, 24 mi away | Sat · Sun · Evenings | — |
| 6 | Skyview Exteriors | 83 | 5.0★ (254) | Providence, 29 mi away | 24/7 | — |
| 7 | OneGrid Energy Integration | 83 | 5.0★ (57) | Providence, 29 mi away | Sat · Sun · Evenings | — |
| 8 | Trinity Solar | 83 | 4.5★ (457) | Acushnet, 13 mi away | Sat · Evenings | — |
| 9 | RTP Roofing | 82 | 5.0★ (197) | Warwick, 31 mi away | 24/7 | — |
| 10 | Shamrock Well and Pump LLC | 82 | 4.9★ (354) | Cumberland, 33 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 591 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Middleborough, 14 mi away
Ranked #2 because of its Google rating and availability: 5.0★ from 663 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mattapoisett, 5 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Taunton, 25 mi away
Ranked #4 because of its Google rating and trade focus: 4.5★ from 476 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Newport, 24 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Providence, 29 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 254 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Providence, 29 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Acushnet, 13 mi away
Ranked #8 because of its Google rating and trade focus: 4.5★ from 457 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Warwick, 31 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 197 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cumberland, 33 mi away
Ranked #10 because of its Google rating and availability: 4.9★ from 354 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hopkinton, 32 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 208 Google reviews, listed on Google as “Solar energy system service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Johnston, 33 mi away
Ranked #12 because of its Google rating and availability: 4.8★ from 283 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Stoughton, 36 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 139 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Pawtucket, 29 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Warwick, 29 mi away
Ranked #15 because of its Google rating and trade focus: 4.5★ from 46 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bristol, 19 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 251 Google reviews, 251 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Providence, 26 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Acushnet, 10 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 16 Google reviews, listed on Google as “Solar energy system service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hyannis, 31 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mashpee, 23 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 178 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Pawtucket, 31 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Berkley, 14 mi away
Ranked #22 because of its Google rating and availability: 4.9★ from 74 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Warwick, 31 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 810 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Johnston, 34 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 on 6 of 8 factors; credentials and recency not yet collected.
Based in Halifax, 26 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
#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 93 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | NEC Solar | 78 | 5.0★ (91) | 19 mi |
| 27 | Beacon Solar Construction | 78 | 4.8★ (122) | 15 mi |
| 28 | Summit Energy | 78 | 4.7★ (824) | 32 mi |
| 29 | Solar Rising | 78 | 5.0★ (127) | 22 mi |
| 30 | Gopower llc | 78 | 5.0★ (24) | 28 mi |
| 31 | Luminous Energy | 78 | 4.5★ (8) | 31 mi |
| 32 | Evergreen Solar | 78 | 4.8★ (305) | 30 mi |
| 33 | Commercial Solar Guy | 78 | 4.8★ (25) | 1 mi |
| 34 | Earth Centric Solar | 77 | 4.4★ (7) | 33 mi |
| 35 | Isaksen Solar | 77 | 5.0★ (17) | 5 mi |
| 36 | Amp Flow Electric Inc. | 77 | 5.0★ (35) | 20 mi |
| 37 | My Generation Energy | 77 | 5.0★ (122) | 31 mi |
| 38 | Whaling City Solar | 76 | 4.6★ (17) | 1 mi |
| 39 | Devlin Energy | 76 | 3.9★ (76) | 37 mi |
| 40 | Beacon Solar - Sales Office | 76 | 4.9★ (55) | 21 mi |
| 41 | Oberon Initiatives Inc. | 76 | 4.9★ (149) | 34 mi |
| 42 | Freedom Forever | 76 | 4.5★ (238) | 25 mi |
| 43 | New England Solar Hot Water | 76 | 4.9★ (28) | 37 mi |
| 44 | World Power LLP | 75 | 5.0★ (9) | 30 mi |
| 45 | Better Future Solar Water | 75 | 5.0★ (16) | 37 mi |
| 46 | Skyline Solar, LLC | 75 | 4.3★ (16) | 25 mi |
| 47 | Trinity Solar | 75 | 4.1★ (106) | 28 mi |
| 48 | Sunwatt Solar | 75 | 4.9★ (79) | 30 mi |
| 49 | Gansett Solar | 75 | 4.8★ (17) | 33 mi |
| 50 | Southcoast Greenlight Energy, Inc. | 75 | 4.9★ (28) | 17 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 |
|---|---|---|
| Alternate Energy | 5.0★ (1) | 20 mi |
| Associated Energy Developers (AED) | 5.0★ (2) | 25 mi |
| Beaumont Solar Company | 1.0★ (2) | 2 mi |
| Cazeault Paul J And Sons Roofing | 5.0★ (1) | 25 mi |
| CMT Energy | 3.0★ (1) | 25 mi |
| Corbin Solar Solutions | 5.0★ (1) | 23 mi |
| Dartmouth Solar LLC | 5.0★ (1) | 7 mi |
| DC Solar Inc. | 5.0★ (1) | 26 mi |
| Devlin Contracting | 5.0★ (2) | 40 mi |
| Green Seal Environmental, LLC | 5.0★ (2) | 22 mi |
| LastMile Energy, LLC | 5.0★ (2) | 36 mi |
| Love Solar Energy Services | 3.0★ (2) | 25 mi |
| RooflessSolar | 5.0★ (1) | 19 mi |
| Solar Powered by Mario's | 5.0★ (2) | 34 mi |
| Solar Systems | 5.0★ (1) | 22 mi |
| SolarSpence | 5.0★ (1) | 22 mi |
| Sun Rhode Island Solar Alliance, LLC (SUNRISA) | 5.0★ (2) | 31 mi |
| Sunergy Solutions, LLC | 5.0★ (2) | 31 mi |
| Sunny Days Solar | 5.0★ (1) | 14 mi |
| US SolarWorks | 5.0★ (2) | 30 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 93 Fairhaven solar installers on 8 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. Unknown factors are left out of the score, 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 Fairhaven data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |