62 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Durham: Porter Electrical Contracting, CR Score 83/100; 5.0★ from 35 Google reviews.
Best for emergencies (open 24/7): LaPlante Electric, posts 24/7 hours; ranked #3 of 62.
Most-reviewed: Neeeco, 3,580 Google reviews at 4.9★, the most of 62 ranked; ranked #23.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
62 Durham solar installers are ranked here by CR Score, from 8 published factors. 7 are open 24/7, 42 open Saturdays and 11 open Sundays, based on posted hours. The median Google rating is 4.9★ across 62 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Porter Electrical Contracting | 83 | 5.0★ (35) | Pembroke, 16 mi away | — | Overall |
| 2 | Harvey Woods | 83 | 5.0★ (36) | Durham | Sat · Evenings | — |
| 3 | LaPlante Electric | 81 | 4.9★ (1,260) | Buxton, 40 mi away | 24/7 | Emergencies |
| 4 | SunGrow Energy Corp | 81 | 5.0★ (4) | Haverhill, 25 mi away | 24/7 | — |
| 5 | Brighter earth energy | 80 | 4.9★ (59) | Brookline, 15 mi away | Sat · Evenings | — |
| 6 | SAVKAT SOLAR | 80 | 5.0★ (24) | Derry, 26 mi away | — | — |
| 7 | Maine Energy Experts | 79 | 5.0★ (178) | Old Orchard Beach, 38 mi away | 24/7 | — |
| 8 | M&B Solar Consortium | 79 | 5.0★ (20) | Andover, 34 mi away | Sat · Sun · Evenings | — |
| 9 | Net Meter NH Solar | 79 | 5.0★ (13) | Exeter, 11 mi away | Sat · Evenings | — |
| 10 | Sunup Solar | 79 | 5.0★ (46) | Auburn, 24 mi away | Sat | — |
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: 5.0★ from 35 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Durham
Ranked #2 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 40 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 1,260 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Haverhill, 25 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brookline, 15 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 59 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Derry, 26 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Old Orchard Beach, 38 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 178 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Andover, 34 mi away
Ranked #8 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 Exeter, 11 mi away
Ranked #9 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 Auburn, 24 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ 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 Londonderry, 29 mi away
Ranked #11 because of its Google rating and trade focus: 4.4★ from 27 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Tewksbury, 39 mi away
Ranked #12 because of its Google rating and availability: 5.0★ from 100 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Danvers, 39 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 125 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Methuen, 31 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chester, 17 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hampton, 14 mi away
Ranked #16 because of its Google rating and trade focus: 4.4★ from 27 Google reviews, listed on Google as “Solar energy system service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Concord, 30 mi away
Ranked #17 because of its Google rating and trade focus: 4.5★ from 16 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Danvers, 39 mi away
Ranked #18 because of its Google rating and trade focus: 4.7★ from 213 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lebanon, 13 mi away
Ranked #19 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 Haverhill, 26 mi away
Ranked #20 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 Amesbury, 19 mi away
Ranked #21 because of its Google rating and trade focus: 3.4★ from 5 Google reviews, listed on Google as “Solar energy system service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Rochester, 10 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Wilmington, 39 mi away
Ranked #23 because of its Google rating and review volume: 4.9★ from 3,580 Google reviews, the most Google reviews on this list (3,580).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Auburn, 28 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lowell, 39 mi away
Ranked #25 because of its Google rating and availability: 4.7★ from 81 Google reviews, open 24/7.
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 62 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | All Weather Exteriors LLC | 76 | 4.8★ (153) | 29 mi |
| 27 | The Power Grid | 75 | 5.0★ (26) | 39 mi |
| 28 | Greener Maine | 75 | 5.0★ (25) | 34 mi |
| 29 | Venture Home | 75 | 4.8★ (207) | 33 mi |
| 30 | Nautilus Solar | 75 | 3.0★ (27) | 14 mi |
| 31 | NE Solar Pros LLC | 75 | 5.0★ (13) | 34 mi |
| 32 | HiCleaners | 75 | 5.0★ (112) | 40 mi |
| 33 | Sungrow Energy | 75 | 5.0★ (9) | 25 mi |
| 34 | Patriot Solar Energy, Inc | 75 | 4.5★ (8) | 39 mi |
| 35 | Sunday Energy | 75 | 4.9★ (19) | 34 mi |
| 36 | East Coast Energy Solutions | 74 | 4.6★ (9) | 30 mi |
| 37 | Mass Solar Initiative | 74 | 5.0★ (6) | 34 mi |
| 38 | VAALT Energy | 73 | 5.0★ (5) | 34 mi |
| 39 | Sundial Solar and Sundial Geothermal | 73 | 4.8★ (77) | 31 mi |
| 40 | ReVision Energy | 73 | 4.8★ (139) | 35 mi |
| 41 | Big Sky Solar | 73 | 5.0★ (8) | 36 mi |
| 42 | Critical Mass Solar | 73 | 4.9★ (59) | 39 mi |
| 43 | Solar For All | 73 | 5.0★ (4) | 27 mi |
| 44 | Bright Home Solutions, Inc. | 73 | 5.0★ (62) | 39 mi |
| 45 | ACE Solar | 72 | 4.6★ (77) | 32 mi |
| 46 | Baystate Energy | 72 | 5.0★ (13) | 40 mi |
| 47 | Energy Shield of New Hampshire, LLC | 72 | 4.8★ (137) | 33 mi |
| 48 | Get Wired Solutions | 71 | 5.0★ (4) | 38 mi |
| 49 | EMR Plumbing and Heating | 71 | 4.9★ (59) | 32 mi |
| 50 | Energy Audits Unlimited LLC | 71 | 4.0★ (3) | 31 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 |
|---|---|---|
| Anar Solar | 5.0★ (1) | 26 mi |
| BD Electrical & Solar | 5.0★ (2) | 39 mi |
| Blue Selenium Solar | 10 mi | |
| Clean Energy Solutions | 5.0★ (1) | 22 mi |
| Focus Electrical Solar Dracut MA | 5.0★ (1) | 38 mi |
| Ken Camille | 19 mi | |
| Milhouse Enterprises | 5.0★ (1) | 35 mi |
| Modern Solar USA | 5.0★ (1) | 37 mi |
| Oasis Energy | 15 mi | |
| Portside Systems, LLC | 6 mi | |
| Powur Solar Massachusetts | 5.0★ (1) | 10 mi |
| Renewables Worldwide, Inc. | 5.0★ (2) | 34 mi |
| Solar Powered Design Services | 17 mi | |
| Solarize Window Insulators | 5.0★ (1) | 28 mi |
| SolarNara | 5.0★ (1) | 36 mi |
| SRsolarNH | 11 mi | |
| Stellar Energy,LLC | 12 mi | |
| Sun Hour Energy | 5.0★ (2) | 34 mi |
| Sunergy Solutions LLC | 10 mi | |
| Sunweaver | 16 mi |
Typical prices in USD, adjusted for New Hampshire 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 62 Durham 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 Durham 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 |