14 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Nantucket: ACK Smart Solar Energy, CR Score 60/100; 5.0★ from 17 Google reviews; open Saturdays until 1 PM.
Most-reviewed: Cotuit Solar LLC, 178 Google reviews at 5.0★, the most of 14 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
14 Nantucket solar installers are ranked here by CR Score, from ten published factors. 4 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 5.0★ across 14 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | ACK Smart Solar Energy | 60 | 5.0★ (17) | Nantucket | Sat | Overall |
| 2 | Cotuit Solar LLC | 59 | 5.0★ (178) | Mashpee, 31 mi away | — | Most reviews |
| 3 | My Generation Energy | 58 | 5.0★ (122) | Hyannis, 29 mi away | — | — |
| 4 | Solar Rising | 58 | 5.0★ (127) | Mashpee, 32 mi away | — | — |
| 5 | Cape Cod Solar Guys | 57 | 5.0★ (16) | Hyannis, 29 mi away | Sat · Sun · Evenings | — |
| 6 | E2 Solar | 55 | 4.9★ (45) | Barnstable, 28 mi away | — | — |
| 7 | SunWind LLC | 53 | 5.0★ (8) | Barnstable, 34 mi away | Sat | — |
| 8 | Atlas Energies, LLC | 51 | 5.0★ (13) | Barnstable, 39 mi away | — | — |
| 9 | SunPower by BlueSel Home Solar | 51 | 4.6★ (8) | Marstons Mills, 36 mi away | Evenings | — |
| 10 | Falmouth Solar, LLC | 51 | 4.4★ (7) | East Falmouth, 32 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: 5.0★ from 17 Google reviews, listed on Google as “Solar energy system service”.
Based in Mashpee, 31 mi away
Ranked #2 because of its Google rating and review volume: 5.0★ from 178 Google reviews, the most in Nantucket.
Based in Hyannis, 29 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 122 Google reviews, listed on Google as “Solar energy company”.
Based in Mashpee, 32 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 127 Google reviews, listed on Google as “Solar energy company”.
Based in Hyannis, 29 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Solar energy company”.
Based in Barnstable, 28 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 45 Google reviews, listed on Google as “Solar energy company”.
Based in Barnstable, 34 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based in Barnstable, 39 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Solar energy company”.
Based in Marstons Mills, 36 mi away
Ranked #9 because of its Google rating and trade focus: 4.6★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based in East Falmouth, 32 mi away
Ranked #10 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Solar energy company”.
Based in Hyannis, 27 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Gutter cleaning service”.
Based in Barnstable, 27 mi away
Ranked #12 because of its Google rating and review volume: 5.0★ from 20 Google reviews.
Based in Barnstable, 28 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based in Marstons Mills, 36 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Electrician”.
16 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 | 32 mi | |
| Cape Cod Solar Solutions | 37 mi | |
| Cazeault Roofing & Solar | 33 mi | |
| CMT Energy | 3.0★ (1) | 32 mi |
| Cotuit Solar | In Nantucket | |
| E 2 Solar Inc | 1.0★ (1) | 29 mi |
| Eastern Sun | 5.0★ (1) | 27 mi |
| Gravel Shoal Group | In Nantucket | |
| Nantucket Solar | In Nantucket | |
| Northeast Home & Energy | 5.0★ (15) | In Nantucket |
| Racepoint Energy | 28 mi | |
| RooflessSolar | 5.0★ (1) | 32 mi |
| Samaritan Solar | 26 mi | |
| Solaris solar panel cleaning | 5.0★ (1) | 28 mi |
| STEGRA CORP. | 5.0★ (2) | In Nantucket |
| Switching to Electric | 31 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 14 Nantucket 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 Nantucket 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 |