36 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Marstons Mills: Premier Energy Solutions Inc., CR Score 87/100; 5.0★ from 663 Google reviews; open 24/7.
Most-reviewed: Isaksen Solar, 591 Google reviews at 4.9★, the most of 36 ranked after Premier Energy Solutions Inc.; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
36 Marstons Mills solar installers are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 14 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 5.0★ across 36 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Premier Energy Solutions Inc. | 87 | 5.0★ (663) | Middleborough, 23 mi away | 24/7 | Overall |
| 2 | Isaksen Solar | 86 | 4.9★ (591) | Fall River, 39 mi away | Sat · Sun · Evenings | Most reviews |
| 3 | Cape Cod Solar Guys | 85 | 5.0★ (16) | Hyannis, 6 mi away | Sat · Sun · Evenings | — |
| 4 | Portside Renewables LLC. | 84 | 5.0★ (39) | Mattapoisett, 21 mi away | — | — |
| 5 | Cotuit Solar LLC | 83 | 5.0★ (178) | Mashpee, 3 mi away | — | — |
| 6 | Trinity Solar | 82 | 4.5★ (457) | Acushnet, 19 mi away | Sat · Evenings | — |
| 7 | Solar Rising | 82 | 5.0★ (127) | Mashpee, 3 mi away | — | — |
| 8 | My Generation Energy | 81 | 5.0★ (122) | Hyannis, 6 mi away | — | — |
| 9 | Solar Savings Solutions LLC | 78 | 5.0★ (5) | Halifax, 33 mi away | Sat · Sun · Evenings | — |
| 10 | E2 Solar | 77 | 4.9★ (45) | Barnstable, 14 mi away | — | — |
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 review volume: 5.0★ from 663 Google reviews, the most Google reviews on this list (663).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fall River, 39 mi away
Ranked #2 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 Hyannis, 6 mi away
Ranked #3 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 Mattapoisett, 21 mi away
Ranked #4 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 Mashpee, 3 mi away
Ranked #5 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 Acushnet, 19 mi away
Ranked #6 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 Mashpee, 3 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 127 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hyannis, 6 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 122 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Halifax, 33 mi away
Ranked #9 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.
Based in Barnstable, 14 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ 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 Acushnet, 29 mi away
Ranked #11 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 Hanover, 37 mi away
Ranked #12 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Barnstable, 23 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nantucket, 31 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Solar energy system service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Marstons Mills
Ranked #15 because of its Google rating and trade focus: 4.6★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Berkley, 34 mi away
Ranked #16 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 Barnstable, 10 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Plymouth, 24 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Berkley, 34 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 122 Google reviews, listed on Google as “Solar energy system service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Bedford, 26 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Falmouth, 12 mi away
Ranked #21 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Acushnet, 30 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hyannis, 7 mi away
Ranked #23 because of its Google rating and availability: 5.0★ from 10 Google reviews, open Saturdays until 8 PM.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Bedford, 26 mi away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 17 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Berkley, 22 mi away
Ranked #25 because of its Google rating and trade focus: 3.0★ from 3 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 #36, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | DIY Solar Company, Inc. | 72 | 4.7★ (18) | 33 mi |
| 27 | BD Electrical & Solar | 71 | 5.0★ (34) | 28 mi |
| 28 | SunRa Solar, Inc. | 71 | 5.0★ (4) | In Marstons Mills |
| 29 | Cazeault Solar | 71 | 5.0★ (3) | 2 mi |
| 30 | Southern Light Solar | 70 | 3.5★ (14) | 26 mi |
| 31 | Meyer and Sons Builders, Inc | 70 | 5.0★ (20) | 14 mi |
| 32 | Mass Power Solutions LLC | 68 | 4.0★ (4) | 38 mi |
| 33 | Acushnet Alternative Heating | 65 | 3.0★ (20) | 26 mi |
| 34 | Knox Electric Inc. | 64 | 4.2★ (5) | 26 mi |
| 35 | Complete Energy Services Corporation | 63 | 5.0★ (5) | 36 mi |
| 36 | Murphy Electric & Industrial Control, Inc | 62 | 4.0★ (4) | 36 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 |
|---|---|---|
| All Bahamas Solar | 2 mi | |
| Alternate Energy | 5.0★ (1) | 21 mi |
| Associated Energy Developers (AED) | 5.0★ (2) | 26 mi |
| Beaumont Solar Company | 1.0★ (2) | 27 mi |
| Bel Islands Home Improvement, LLC | 5.0★ (272) | In Marstons Mills |
| Cape | 5.0★ (368) | In Marstons Mills |
| Cazeault Paul J And Sons Roofing | 5.0★ (1) | 26 mi |
| CMT Energy | 3.0★ (1) | In Marstons Mills |
| Dartmouth Solar LLC | 5.0★ (1) | 32 mi |
| DC Solar Inc. | 5.0★ (1) | 29 mi |
| E 2 Solar Inc | 1.0★ (1) | 9 mi |
| Eastern Sun | 5.0★ (1) | 7 mi |
| Green Seal Environmental, LLC | 5.0★ (2) | 12 mi |
| Racepoint Energy | 3 mi | |
| RooflessSolar | 5.0★ (1) | 7 mi |
| Solar Potential | 5.0★ (1) | 38 mi |
| Solar Systems | 5.0★ (1) | 21 mi |
| Solaris solar panel cleaning | 5.0★ (1) | 6 mi |
| STEGRA CORP. | 5.0★ (2) | 28 mi |
| Sunny Days Solar | 5.0★ (1) | 19 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 36 Marstons Mills 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 Marstons Mills 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 |