22 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Keene: Old Glory Solar, CR Score 58/100; 5.0★ from 30 Google reviews; open 24/7.
Best for emergencies (open 24/7): Owen Ladd Solar, posts 24/7 hours; ranked #3 of 22.
Most-reviewed: Bergeron Mechanical Systems, 521 Google reviews at 5.0★, the most of 22 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
22 Keene solar installers are ranked here by CR Score, from ten published factors. 5 are open 24/7, 15 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 5.0★ across 22 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Old Glory Solar | 58 | 5.0★ (30) | Athol, 28 mi away | 24/7 | Overall |
| 2 | Bergeron Mechanical Systems | 57 | 5.0★ (521) | Keene | — | Most reviews |
| 3 | Owen Ladd Solar | 55 | 5.0★ (5) | Winooski, 28 mi away | 24/7 | Emergencies |
| 4 | PV Squared Solar | 55 | 4.9★ (70) | Greenfield, 28 mi away | — | — |
| 5 | HAREI | 54 | 5.0★ (4) | Milford, 31 mi away | 24/7 | — |
| 6 | New England Electric and Solar Solutions | 54 | 5.0★ (8) | Valley Falls, 28 mi away | Sat · Sun | — |
| 7 | Sun Team | 54 | 4.9★ (18) | Ashburnham, 40 mi away | Sat · Sun · Evenings | — |
| 8 | The Power Grid | 54 | 5.0★ (26) | Methuen, 37 mi away | Sat · Evenings | — |
| 9 | Critical Mass Solar | 53 | 4.9★ (59) | Fitchburg, 37 mi away | Evenings | — |
| 10 | Apex Solar LLC | 53 | 5.0★ (8) | Katy, 28 mi away | Sat | — |
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: 5.0★ from 30 Google reviews, listed on Google as “Solar energy company”.
Based in Keene
Ranked #2 because of its Google rating and review volume: 5.0★ from 521 Google reviews, the most in Keene.
Based in Winooski, 28 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy system service”.
Based in Greenfield, 28 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 70 Google reviews, listed on Google as “Solar energy company”.
Based in Milford, 31 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Solar energy company”.
Based in Valley Falls, 28 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy system service”.
Based in Ashburnham, 40 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 18 Google reviews, listed on Google as “Solar energy company”.
Based in Methuen, 37 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Solar energy company”.
Based in Fitchburg, 37 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 59 Google reviews, listed on Google as “Solar energy company”.
Based in Katy, 28 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based in Rockingham, 27 mi away
Ranked #11 because of its Google rating and review volume: 4.4★ from 100 Google reviews.
Based in Ashburnham, 39 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Solar energy company”.
Based in Bedford, 38 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Solar energy company”.
Based in Leominster, 39 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.
Based in Hopkinton, 37 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based in Greenfield, 24 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Solar energy company”.
Based in Ashland, 16 mi away
Ranked #17 because of its Google rating and review volume: 5.0★ from 30 Google reviews.
Based in Greenfield, 29 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Solar energy system service”.
Based in Brattleboro, 15 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based in Manchester, 40 mi away
Ranked #20 because of its Google rating and trade focus: 4.0★ from 3 Google reviews, listed on Google as “Solar energy company”.
Based in Concord, 38 mi away
Ranked #21 because of its Google rating and review volume: 4.9★ from 59 Google reviews.
Based in Andover, 35 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
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 |
|---|---|---|
| 7th Gen Solar | 15 mi | |
| Alex Valley Electrician | 5.0★ (2) | 33 mi |
| Amer Electric | 5.0★ (9) | In Keene |
| Applied Solar Technologies | 33 mi | |
| Beacon Energy Solutions LLC | 32 mi | |
| Boundless, Inc. | 16 mi | |
| Brattleboro Solar Management | 5.0★ (1) | 15 mi |
| Cutting Edge Solutions LLC | 32 mi | |
| Edison Energy Consultants LLC | 5.0★ (2) | 24 mi |
| Energy Saver Enablers, LLC | 5.0★ (1) | 16 mi |
| NESolarPro | In Keene | |
| New World NRG | 37 mi | |
| Onlysolar Diagnostic | 5.0★ (1) | In Keene |
| Spartan Solar | 5.0★ (2) | 20 mi |
| Spartan Solar | 5.0★ (1) | 28 mi |
| SunRun Solar | 28 mi | |
| SunRun Solar | 35 mi | |
| Sunshine Solutions | 37 mi | |
| Unlimited Power Of The Sun | 37 mi | |
| Valley Solar Works | 35 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 22 Keene 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 Keene 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 |