59 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Charlestown: Sol Power Solar, CR Score 89/100; 4.8★ from 123 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): RTP Roofing, posts 24/7 hours; ranked #5 of 59.
Most-reviewed: Rooftop Power, 810 Google reviews at 4.8★, the most of 59 ranked; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
59 Charlestown solar installers are ranked here by CR Score, from 8 published factors. 6 are open 24/7, 30 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 4.9★ across 59 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Sol Power Solar | 89 | 4.8★ (123) | Charlestown | Sat · Sun | Overall |
| 2 | Isaksen Solar | 87 | 4.9★ (591) | Fall River, 33 mi away | Sat · Sun · Evenings | — |
| 3 | DO IT RIGHT SOLAR | 85 | 5.0★ (208) | Hopkinton, 16 mi away | Sat · Evenings | — |
| 4 | Neighborhood Solar | 84 | 5.0★ (45) | Newport, 19 mi away | Sat · Sun · Evenings | — |
| 5 | RTP Roofing | 83 | 5.0★ (197) | Warwick, 25 mi away | 24/7 | Emergencies |
| 6 | Skyview Exteriors | 83 | 5.0★ (254) | Providence, 31 mi away | 24/7 | — |
| 7 | OneGrid Energy Integration | 83 | 5.0★ (57) | Providence, 33 mi away | Sat · Sun · Evenings | — |
| 8 | QSPS Housing Solutions | 82 | 4.8★ (283) | Johnston, 30 mi away | 24/7 | — |
| 9 | Suntastic Solutions | 81 | 4.8★ (26) | Norwich, 23 mi away | — | — |
| 10 | Momentum Solar Rhode Island | 81 | 4.5★ (46) | Warwick, 26 mi away | Sat · Sun · Evenings | — |
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: 4.8★ from 123 Google reviews, listed on Google as “Solar energy system service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fall River, 33 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 Hopkinton, 16 mi away
Ranked #3 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 Newport, 19 mi away
Ranked #4 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 Warwick, 25 mi away
Ranked #5 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 Providence, 31 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, 33 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 Johnston, 30 mi away
Ranked #8 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 Norwich, 23 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Warwick, 26 mi away
Ranked #10 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 Warwick, 25 mi away
Ranked #11 because of its Google rating and review volume: 4.8★ from 810 Google reviews, the most Google reviews on this list (810).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Johnston, 31 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 6 of 8 factors; credentials and recency not yet collected.
Based in Narragansett, 9 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ 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 Pawtucket, 38 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 East Providence, 33 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 on 6 of 8 factors; credentials and recency not yet collected.
Based in Bristol, 29 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 Pawtucket, 36 mi away
Ranked #17 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 Groton, 29 mi away
Ranked #18 because of its Google rating and trade focus: 4.6★ 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 Providence, 32 mi away
Ranked #19 because of its Google rating and trade focus: 4.5★ 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 Providence, 31 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bristol, 29 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 6 of 8 factors; credentials and recency not yet collected.
Based in North Kingstown, 18 mi away
Ranked #22 because of its Google rating and trade focus: 4.1★ from 106 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Pawtucket, 37 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 305 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Seekonk, 38 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bristol, 29 mi away
Ranked #25 because of its Google rating and availability: 5.0★ from 35 Google reviews, open 7 days a week.
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 59 ranked solar installers here; the rest are on their profiles.
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 |
|---|---|---|
| Accredited Solar Advisors | 5.0★ (2) | 38 mi |
| Clear Vision Energy | 3.0★ (1) | 29 mi |
| Collaborative Energy Options | In Charlestown | |
| Corbin Solar Solutions | 5.0★ (1) | 32 mi |
| Dartmouth Solar LLC | 5.0★ (1) | 38 mi |
| Future Is Now | 5.0★ (1) | 34 mi |
| Green Earth Energy Photovoltaic | 5.0★ (1) | 38 mi |
| Isun Solar | 5.0★ (1) | 38 mi |
| JRFsolarconsults | 5.0★ (1) | 10 mi |
| Love Solar Energy Services | 3.0★ (2) | 30 mi |
| New London Solar | 4.0★ (1) | 24 mi |
| Providence Solar | 5.0★ (1) | 33 mi |
| RYPEC Home Sevices | 5.0★ (1) | 30 mi |
| SilentSherpa | In Charlestown | |
| Smart Green Solar | 1.0★ (1) | 14 mi |
| Solar X Method | 5.0★ (1) | 34 mi |
| SolarSpence | 5.0★ (1) | 21 mi |
| Sun Rhode Island Solar Alliance, LLC (SUNRISA) | 5.0★ (2) | 14 mi |
| Sunergy Solutions, LLC | 5.0★ (2) | 14 mi |
| Waldo Renewable Electric, LLC | 4.0★ (2) | 24 mi |
Typical prices in USD, adjusted for Rhode Island 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 59 Charlestown 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 Charlestown 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 |