84 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Preston City: Sol Power Solar, CR Score 60/100; 4.8★ from 123 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): RTP Roofing, posts 24/7 hours; ranked #11 of 84.
Most-reviewed: Rooftop Power, 810 Google reviews at 4.8★, the most of 84 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
84 Preston City solar installers are ranked here by CR Score, from ten published factors. 7 are open 24/7, 48 open Saturdays and 23 open Sundays, based on posted hours. The median Google rating is 4.9★ across 84 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Sol Power Solar | 60 | 4.8★ (123) | Charlestown, 16 mi away | Sat · Sun | Overall |
| 2 | DO IT RIGHT SOLAR | 59 | 5.0★ (208) | Hopkinton, 24 mi away | Sat · Evenings | — |
| 3 | Sunrun Solar | 59 | 4.9★ (287) | Cromwell, 37 mi away | Sat · Sun | — |
| 4 | Solarship Corp | 59 | 5.0★ (190) | Bristol, 36 mi away | Sat · Sun · Evenings | — |
| 5 | Rooftop Power | 58 | 4.8★ (810) | Warwick, 29 mi away | — | Most reviews |
| 6 | Everlast Energy & Roofing | 58 | 5.0★ (242) | Manchester, 34 mi away | Sat | — |
| 7 | Suntastic Solutions | 58 | 4.8★ (26) | Norwich, 5 mi away | — | — |
| 8 | OneGrid Energy Integration | 56 | 5.0★ (57) | Providence, 36 mi away | Sat · Sun · Evenings | — |
| 9 | Neighborhood Solar | 56 | 5.0★ (45) | Newport, 34 mi away | Sat · Sun · Evenings | — |
| 10 | Green Power Energy | 55 | 4.8★ (166) | Wallingford Center, 39 mi away | Sat · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.8★ from 123 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hopkinton, 24 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 208 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cromwell, 37 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 287 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bristol, 36 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 190 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Warwick, 29 mi away
Ranked #5 because of its Google rating and review volume: 4.8★ from 810 Google reviews, the most in Preston City.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 34 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 242 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norwich, 5 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Solar energy company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Providence, 36 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Newport, 34 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wallingford Center, 39 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 166 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Warwick, 29 mi away
Ranked #11 because of its Google rating and review volume: 5.0★ from 197 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Johnston, 32 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 65 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Providence, 34 mi away
Ranked #13 because of its Google rating and review volume: 5.0★ from 254 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Warwick, 31 mi away
Ranked #14 because of its Google rating and trade focus: 4.5★ from 46 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pawtucket, 39 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 305 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Johnston, 31 mi away
Ranked #16 because of its Google rating and review volume: 4.8★ from 283 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Groton, 18 mi away
Ranked #17 because of its Google rating and trade focus: 4.6★ from 7 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Providence, 38 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmington, 39 mi away
Ranked #19 because of its Google rating and trade focus: 3.9★ from 553 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seekonk, 29 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bristol, 38 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 91 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bristol, 38 mi away
Ranked #22 because of its Google rating and review volume: 4.9★ from 251 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cromwell, 35 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Kingstown, 28 mi away
Ranked #24 because of its Google rating and trade focus: 4.1★ from 106 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Providence, 34 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 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 84 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | ISP Solar Provider | 53 | 5.0★ (4) | 33 mi |
| 27 | The Solar RN™ | 53 | 5.0★ (27) | 35 mi |
| 28 | Gansett Solar | 53 | 4.8★ (17) | 27 mi |
| 29 | Sunwatt Solar | 52 | 4.9★ (79) | 38 mi |
| 30 | AG Electric & Solar | 52 | 5.0★ (11) | 38 mi |
| 31 | Luminous Energy | 52 | 4.5★ (8) | 34 mi |
| 32 | Custom Solar Solutions LLC | 52 | 5.0★ (9) | 29 mi |
| 33 | GM Industries, Inc | 52 | 3.5★ (15) | 32 mi |
| 34 | Newport Solar | 51 | 5.0★ (101) | 26 mi |
| 35 | Apollo Energy USA | 51 | 4.8★ (8) | 29 mi |
| 36 | Clean Earth Energy | 51 | 5.0★ (41) | 38 mi |
| 37 | Roxaco Solar | 51 | 5.0★ (7) | 29 mi |
| 38 | CellSun Solar | 51 | 5.0★ (11) | 35 mi |
| 39 | New England Solar Initiative | 51 | 5.0★ (13) | 38 mi |
| 40 | Renewable Energy Solutions LLC - Solar Installer in Rhode Island | 50 | 5.0★ (23) | 38 mi |
| 41 | PosiGen Home Solar | 50 | 3.7★ (15) | 30 mi |
| 42 | Son Energy Systems | 50 | 5.0★ (7) | 22 mi |
| 43 | United Better Homes - Roofing, Solar & Windows | 50 | 4.8★ (234) | 39 mi |
| 44 | East HartFord Solar | 50 | 4.8★ (4) | 39 mi |
| 45 | WethersField Solar | 50 | 4.5★ (4) | 38 mi |
| 46 | Earthlight Technologies | 50 | 4.9★ (439) | 35 mi |
| 47 | Right Way Energy Group | 50 | 5.0★ (10) | 29 mi |
| 48 | One Source Energy Consultant | 50 | 5.0★ (20) | 37 mi |
| 49 | Tri Solar Energy | 50 | 2.3★ (6) | 24 mi |
| 50 | RSR Residential | 50 | 5.0★ (49) | 12 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) | 38 mi |
| Accredited Solar Advisors | 5.0★ (2) | 29 mi |
| Ascend Solar | 5.0★ (2) | 37 mi |
| Dcs Energy | 5.0★ (2) | 33 mi |
| Direct Energy Plan | 5.0★ (2) | 38 mi |
| Dyna, Inc. | 3.0★ (2) | 34 mi |
| EcoGen America | 5.0★ (2) | 40 mi |
| Green Earth Energy Photovoltaic | 5.0★ (1) | 29 mi |
| Isun Solar | 5.0★ (1) | 29 mi |
| JRFsolarconsults | 5.0★ (1) | 14 mi |
| Love Solar Energy Services | 3.0★ (2) | 36 mi |
| New London Solar | 4.0★ (1) | 14 mi |
| Renewable Energy CT | 5.0★ (2) | 39 mi |
| Samaritan Solar | 5.0★ (2) | 38 mi |
| Smart Green Solar | 1.0★ (1) | 25 mi |
| Solar Rays | 5.0★ (2) | 38 mi |
| Sun Nerds Solar NE | 5.0★ (1) | 29 mi |
| Sun Rhode Island Solar Alliance, LLC (SUNRISA) | 5.0★ (2) | 25 mi |
| Sunergy Solutions, LLC | 5.0★ (2) | 25 mi |
| Waldo Renewable Electric, LLC | 4.0★ (2) | 16 mi |
Typical prices in USD, adjusted for Connecticut 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 84 Preston City 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 Preston City 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 |