29 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Harpswell Center: Maine Community Solar, CR Score 62/100; 4.8★ from 245 Google reviews; open 24/7.
Best for emergencies (open 24/7): LaPlante Electric, posts 24/7 hours; ranked #3 of 29.
Most-reviewed: LaPlante Electric, 1,260 Google reviews at 4.9★, the most of 29 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
29 Harpswell Center solar installers are ranked here by CR Score, from ten published factors. 6 are open 24/7, 12 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.9★ across 29 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Maine Community Solar | 62 | 4.8★ (245) | Portland, 17 mi away | 24/7 | Overall |
| 2 | Maine Solar Solutions | 59 | 4.9★ (192) | Gorham, 7 mi away | — | — |
| 3 | LaPlante Electric | 58 | 4.9★ (1,260) | Buxton, 27 mi away | 24/7 | Emergencies, Most reviews |
| 4 | ReVision Energy | 57 | 4.9★ (302) | South Portland, 20 mi away | — | — |
| 5 | Freedom Forever | 57 | 4.9★ (235) | Lewiston, 20 mi away | — | — |
| 6 | Team Solar Inc | 57 | 5.0★ (8) | Portland, 18 mi away | 24/7 | — |
| 7 | Solarize NE | 55 | 5.0★ (51) | Ashburnham, 32 mi away | — | — |
| 8 | My Local Pro | 55 | 4.9★ (67) | Charlton, 32 mi away | Sat · Evenings | — |
| 9 | First Light Energy | 55 | 4.9★ (29) | Brunswick, 10 mi away | — | — |
| 10 | Assured Solar Energy | 55 | 4.8★ (41) | Gorham, 10 mi away | — | — |
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 245 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gorham, 7 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 192 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buxton, 27 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 1,260 Google reviews, the most in Harpswell Center.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Portland, 20 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 302 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lewiston, 20 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 235 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Portland, 18 mi away
Ranked #6 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 Ashburnham, 32 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “Solar energy company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Charlton, 32 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 67 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brunswick, 10 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 29 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gorham, 10 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 41 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Old Orchard Beach, 29 mi away
Ranked #11 because of its Google rating and review volume: 5.0★ from 178 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Biddeford, 33 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 207 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Franklin, 38 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hudson, 32 mi away
Ranked #14 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 Auburn, 18 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ 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 Biddeford, 32 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Portland, 20 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northfield, 38 mi away
Ranked #18 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, 25 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 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Topsham, 10 mi away
Ranked #20 because of its Google rating and trade focus: 3.0★ from 20 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 26 mi away
Ranked #21 because of its Google rating and availability: 5.0★ from 18 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockingham, 32 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gorham, 21 mi away
Ranked #23 because of its Google rating and trade focus: 3.8★ from 5 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Westbrook, 18 mi away
Ranked #24 because of its Google rating and trade focus: 4.3★ from 11 Google reviews, listed on Google as “HVAC contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Portland, 16 mi away
Ranked #25 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #29, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Industrial Roofing Company | 45 | 4.1★ (27) | 21 mi |
| 27 | Solari Property Care & Excavation | 45 | 4.0★ (20) | 35 mi |
| 28 | JNM Electric LLC. | 44 | 4.6★ (36) | 38 mi |
| 29 | JD Power and Electric | 43 | 5.0★ (7) | 28 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 |
|---|---|---|
| 207 Solar & Heat Pumps | 5.0★ (1) | 38 mi |
| 7th Gen Solar | 21 mi | |
| Boundary Line | 13 mi | |
| Breiter Planet Construction | 32 mi | |
| Cold Climate Home | 12 mi | |
| Dirigo Solar LLC | 17 mi | |
| GreenSolarME LLC | 16 mi | |
| Hawk Energy Consulting | 25 mi | |
| Independent Solar USA | 13 mi | |
| Industrial Development Services Corporation | 20 mi | |
| IRC Solar Roof Systems | 5.0★ (1) | 21 mi |
| NH Energy Solutions | 5.0★ (1) | 38 mi |
| Peak Energy Solutions, LLC | 17 mi | |
| Reliable Renewables | 5.0★ (2) | 24 mi |
| RGK Solar | 15 mi | |
| Silveira Photovoltaic Company | 5.0★ (1) | 32 mi |
| Solar Hot Water | 10 mi | |
| Solar Maine Power LLC | 18 mi | |
| Solarize Window Insulators | 5.0★ (1) | 38 mi |
| The Solar Community | 23 mi |
Typical prices in USD, adjusted for Maine 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 29 Harpswell Center 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 Harpswell Center 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 |