45 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Concord: Sundial Solar and Sundial Geothermal, CR Score 60/100; 4.8★ from 77 Google reviews.
Best for emergencies (open 24/7): Owen Ladd Solar, posts 24/7 hours; ranked #9 of 45.
Most-reviewed: Sentry Roofing, 181 Google reviews at 4.7★, the most of 45 ranked; ranked #27.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
45 Concord solar installers are ranked here by CR Score, from ten published factors. 5 are open 24/7, 33 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 5.0★ across 45 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Sundial Solar and Sundial Geothermal | 60 | 4.8★ (77) | Concord | — | Overall |
| 2 | Brighter earth energy | 59 | 4.9★ (59) | Brookline, 17 mi away | Sat · Evenings | — |
| 3 | Critical Mass Solar | 59 | 4.9★ (59) | Fitchburg, 8 mi away | Evenings | — |
| 4 | Sunup Solar | 59 | 5.0★ (46) | Auburn, 16 mi away | Sat | — |
| 5 | Porter Electrical Contracting | 59 | 5.0★ (35) | Pembroke, 16 mi away | — | — |
| 6 | The Power Grid | 59 | 5.0★ (26) | Methuen, 8 mi away | Sat · Evenings | — |
| 7 | Seventh Gen Solar | 59 | 4.5★ (16) | Concord | — | — |
| 8 | Expert Solar Sales | 57 | 5.0★ (4) | Concord | Sat · Sun | — |
| 9 | Owen Ladd Solar | 57 | 5.0★ (5) | Winooski, 14 mi away | 24/7 | Emergencies |
| 10 | All Weather Exteriors LLC | 57 | 4.8★ (153) | Manchester, 16 mi away | Sat · Sun · 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 77 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brookline, 17 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 59 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fitchburg, 8 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 59 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 16 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ 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 Pembroke, 16 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Solar energy company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Methuen, 8 mi away
Ranked #6 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 Concord
Ranked #7 because of its Google rating and trade focus: 4.5★ from 16 Google reviews, listed on Google as “Solar energy company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Concord
Ranked #8 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Winooski, 14 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 16 mi away
Ranked #10 because of its Google rating and review volume: 4.8★ from 153 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Valley Falls, 14 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Derry, 24 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Solar energy company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Londonderry, 26 mi away
Ranked #13 because of its Google rating and trade focus: 4.4★ from 27 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hopkinton, 5 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Durham, 34 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord
Ranked #16 because of its Google rating and review volume: 4.9★ from 59 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 29 mi away
Ranked #17 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 Methuen, 38 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milford, 23 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bedford, 20 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Franklin, 15 mi away
Ranked #21 because of its Google rating and review volume: 4.8★ from 137 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Katy, 14 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 28 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chester, 29 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Haverhill, 37 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 4 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 #45, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Net Meter NH Solar | 53 | 5.0★ (13) | 34 mi |
| 27 | Sentry Roofing | 53 | 4.7★ (181) | 17 mi |
| 28 | Harmony Energy Works Incorporated | 53 | 4.4★ (27) | 40 mi |
| 29 | Energy Audits Unlimited LLC | 52 | 4.0★ (3) | 15 mi |
| 30 | New England Clean Energy - New Hampshire Office | 52 | 5.0★ (7) | 19 mi |
| 31 | 180 South Solar | 52 | 5.0★ (5) | 38 mi |
| 32 | Sungrow Energy | 52 | 5.0★ (9) | 36 mi |
| 33 | New England Sunlight | 52 | 5.0★ (5) | 29 mi |
| 34 | East Coast Renewable Energy, LLC | 52 | 5.0★ (19) | 37 mi |
| 35 | Get Wired Solutions | 52 | 5.0★ (4) | 7 mi |
| 36 | Sunny D Solar | 51 | 5.0★ (3) | 29 mi |
| 37 | Invaleon Technologies Corporation | 51 | 3.9★ (48) | 37 mi |
| 38 | VAALT Energy | 51 | 5.0★ (5) | 37 mi |
| 39 | New England Energy Experts | 50 | 5.0★ (30) | 26 mi |
| 40 | Solar For All | 50 | 5.0★ (4) | 39 mi |
| 41 | New Hampshire Solar | 50 | 5.0★ (3) | 32 mi |
| 42 | Summit Energy Group | 49 | 3.4★ (5) | 39 mi |
| 43 | Mains Electric, LLC | 47 | 4.9★ (20) | 23 mi |
| 44 | Somos Green Innovations, Inc. | 42 | 3.7★ (3) | 39 mi |
| 45 | Industrial Roofing Company | 41 | 4.7★ (3) | 38 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) | 25 mi |
| Applied Solar Technologies | 10 mi | |
| Beacon Energy Solutions LLC | 19 mi | |
| Energy Saver Enablers, LLC | 5.0★ (1) | 37 mi |
| Focus Electrical Solar Dracut MA | 5.0★ (1) | 39 mi |
| Lawnboy Landscaping LLC | In Concord | |
| Milhouse Enterprises | 5.0★ (1) | 16 mi |
| Monarch Power | In Concord | |
| New World NRG | 8 mi | |
| NH Off-Grid | 17 mi | |
| Oasis Energy | 17 mi | |
| Powur Solar Massachusetts | 5.0★ (1) | 34 mi |
| Seventh Gen Solar | In Concord | |
| Solar Components Corporation | 16 mi | |
| Sundance Solar Products | 5 mi | |
| SunRun Solar | 13 mi | |
| SunRun Solar | 15 mi | |
| Sunshine Solutions | 8 mi | |
| Sunweaver | 16 mi | |
| Unlimited Power Of The Sun | 8 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 45 Concord 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 Concord 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 |