117 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Putnam: Boundless, Inc., CR Score 60/100; 4.8★ from 464 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Shamrock Well and Pump LLC, posts 24/7 hours; ranked #13 of 117.
Most-reviewed: Summit Energy, 824 Google reviews at 4.7★, the most of 117 ranked; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
117 Putnam solar installers are ranked here by CR Score, from ten published factors. 10 are open 24/7, 61 open Saturdays and 26 open Sundays, based on posted hours. The median Google rating is 4.9★ across 117 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Boundless, Inc. | 60 | 4.8★ (464) | Marlborough, 34 mi away | Sat · Sun | Overall |
| 2 | DO IT RIGHT SOLAR | 58 | 5.0★ (208) | Hopkinton, 30 mi away | Sat · Evenings | — |
| 3 | Rooftop Power | 58 | 4.8★ (810) | Warwick, 25 mi away | — | — |
| 4 | Everlast Energy & Roofing | 58 | 5.0★ (242) | Manchester, 32 mi away | Sat | — |
| 5 | OneGrid Energy Integration | 57 | 5.0★ (57) | Providence, 27 mi away | Sat · Sun · Evenings | — |
| 6 | Mark The Solar Expert | 57 | 4.9★ (35) | Grafton, 18 mi away | Sat · Sun · Evenings | — |
| 7 | KnowSolar.com | 57 | 5.0★ (20) | Seekonk, 6 mi away | Sat · Evenings | — |
| 8 | Sol Power Solar | 57 | 4.8★ (123) | Charlestown, 36 mi away | Sat · Sun | — |
| 9 | Sunfinity Power | 57 | 4.9★ (65) | Johnston, 22 mi away | Sat · Evenings | — |
| 10 | Evergreen Solar | 56 | 4.8★ (305) | Pawtucket, 27 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: 4.8★ from 464 Google reviews, listed on Google as “Solar energy company”.
Based in Hopkinton, 30 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 in Warwick, 25 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 810 Google reviews, listed on Google as “Solar energy company”.
Based in Manchester, 32 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 242 Google reviews, listed on Google as “Solar energy company”.
Based in Providence, 27 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Solar energy company”.
Based in Grafton, 18 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Solar energy company”.
Based in Seekonk, 6 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Solar energy company”.
Based in Charlestown, 36 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 123 Google reviews, listed on Google as “Solar energy system service”.
Based in Johnston, 22 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 65 Google reviews, listed on Google as “Solar energy company”.
Based in Pawtucket, 27 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 305 Google reviews, listed on Google as “Solar energy company”.
Based in Mansfield, 35 mi away
Ranked #11 because of its Google rating and review volume: 4.7★ from 824 Google reviews, the most in Putnam.
Based in East Greenwich, 13 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Solar energy company”.
Based in Cumberland, 27 mi away
Ranked #13 because of its Google rating and review volume: 4.9★ from 354 Google reviews.
Based in Providence, 26 mi away
Ranked #14 because of its Google rating and review volume: 5.0★ from 254 Google reviews.
Based in Shrewsbury, 26 mi away
Ranked #15 because of its Google rating and trade focus: 4.1★ from 239 Google reviews, listed on Google as “Solar energy company”.
Based in Johnston, 23 mi away
Ranked #16 because of its Google rating and review volume: 4.8★ from 283 Google reviews.
Based in Warwick, 25 mi away
Ranked #17 because of its Google rating and review volume: 5.0★ from 197 Google reviews.
Based in Warwick, 27 mi away
Ranked #18 because of its Google rating and trade focus: 4.5★ from 46 Google reviews, listed on Google as “Solar energy company”.
Based in East Providence, 30 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Solar energy company”.
Based in Holden, 6 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Solar energy system service”.
Based in Grafton, 29 mi away
Ranked #21 because of its Google rating and review volume: 4.9★ from 174 Google reviews.
Based in Braintree, 14 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Solar energy company”.
Based in Douglas, 6 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Solar energy company”.
Based in Attleboro, 6 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based in Haverhill, 14 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Solar energy system service”.
#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 117 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Suntastic Solutions | 55 | 4.8★ (26) | 22 mi |
| 27 | GoGreen with Glenn – Solar & Battery Backup | 55 | 5.0★ (18) | 29 mi |
| 28 | Lunex Power | 54 | 4.7★ (100) | 26 mi |
| 29 | Momentum Solar Massachusetts | 54 | 4.0★ (198) | 32 mi |
| 30 | AG Electric & Solar | 54 | 5.0★ (11) | 26 mi |
| 31 | Sunwatt Solar | 54 | 4.9★ (79) | 26 mi |
| 32 | Gopower llc | 54 | 5.0★ (24) | 27 mi |
| 33 | On Call Electric | 54 | 5.0★ (164) | 35 mi |
| 34 | NEC Solar | 53 | 5.0★ (91) | 36 mi |
| 35 | Right Way Energy Group | 53 | 5.0★ (10) | 6 mi |
| 36 | GM Industries, Inc | 53 | 3.5★ (15) | 21 mi |
| 37 | The Solar Guys | 53 | 5.0★ (32) | 34 mi |
| 38 | Brightstar Solar | 53 | 4.9★ (100) | 35 mi |
| 39 | NEC Electric & Solar | 53 | 4.9★ (251) | 36 mi |
| 40 | Trio Solar | 53 | 5.0★ (34) | 36 mi |
| 41 | Mass Energy Savers | 53 | 4.5★ (8) | 14 mi |
| 42 | PosiGen Home Solar | 53 | 4.5★ (96) | 36 mi |
| 43 | Luminous Energy | 53 | 4.5★ (8) | 25 mi |
| 44 | Freedom Forever | 53 | 4.6★ (187) | 36 mi |
| 45 | SunRun Solar | 53 | 1.0★ (3) | In Putnam |
| 46 | Summer Hill Solar | 53 | 5.0★ (5) | In Putnam |
| 47 | ISP Solar Provider | 53 | 5.0★ (4) | 33 mi |
| 48 | Freedom Forever | 52 | 4.5★ (238) | 40 mi |
| 49 | Better Future Solar Water | 52 | 5.0★ (16) | 32 mi |
| 50 | SGE Solar - Second Generation Energy | 52 | 4.7★ (35) | 25 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) | 14 mi |
| A. Reynolds Electric LLC | 5.0★ (33) | In Putnam |
| Accredited Solar Advisors | 5.0★ (2) | 6 mi |
| AG Electric & Solar | In Putnam | |
| Alex Valley Electrician | 5.0★ (2) | 40 mi |
| Dcs Energy | 5.0★ (2) | 34 mi |
| Deary Electric & Renovations LLC | 4.6★ (18) | In Putnam |
| Direct Energy Plan | 5.0★ (2) | 14 mi |
| Dyna, Inc. | 3.0★ (2) | 33 mi |
| iSP (Ion Solar Pros) | 5.0★ (2) | 27 mi |
| Love Solar Energy Services | 3.0★ (2) | 30 mi |
| Relay Power | 4.0★ (2) | 38 mi |
| RJ’s General Construction LLC | In Putnam | |
| Samaritan Solar | 5.0★ (2) | 14 mi |
| Solar By Jake | 4.5★ (2) | 20 mi |
| Solar Rays | 5.0★ (2) | 14 mi |
| Sun Rhode Island Solar Alliance, LLC (SUNRISA) | 5.0★ (2) | 33 mi |
| Sunergy Solutions, LLC | 5.0★ (2) | 33 mi |
| US SolarWorks | 5.0★ (2) | 32 mi |
| Waldo Renewable Electric, LLC | 4.0★ (2) | 15 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 117 Putnam 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 Putnam 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 |