23 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Biddeford: Maine Community Solar, CR Score 90/100; 4.8★ from 245 Google reviews; open 24/7.
Best for emergencies (open 24/7): LaPlante Electric, posts 24/7 hours; ranked #2 of 23.
Most-reviewed: LaPlante Electric, 1,260 Google reviews at 4.9★, the most of 23 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
23 Biddeford solar installers are ranked here by CR Score, from 8 published factors. 4 are open 24/7, 10 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.9★ across 23 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Maine Community Solar | 90 | 4.8★ (245) | Portland, 15 mi away | 24/7 | Overall |
| 2 | LaPlante Electric | 89 | 4.9★ (1,260) | Buxton, 6 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Maine Energy Experts | 86 | 5.0★ (178) | Old Orchard Beach, 4 mi away | 24/7 | — |
| 4 | Team Solar Inc | 85 | 5.0★ (8) | Portland, 14 mi away | 24/7 | — |
| 5 | Venture Home | 82 | 4.8★ (207) | Biddeford | Evenings | — |
| 6 | Greener Maine | 82 | 5.0★ (25) | Biddeford | Sat | — |
| 7 | ReVision Energy | 80 | 4.9★ (302) | South Portland, 13 mi away | — | — |
| 8 | Greenworx Energy | 77 | 5.0★ (5) | South Portland, 12 mi away | Sat | — |
| 9 | Maine Solar Solutions | 77 | 4.9★ (192) | Gorham, 29 mi away | — | — |
| 10 | Harvey Woods | 77 | 5.0★ (36) | Durham, 39 mi away | Sat · Evenings | — |
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 availability: 4.8★ from 245 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 6 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 1,260 Google reviews, the most Google reviews on this list (1,260).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Old Orchard Beach, 4 mi away
Ranked #3 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 Portland, 14 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Biddeford
Ranked #5 because of its Google rating and trade focus: 4.8★ from 207 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Biddeford
Ranked #6 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in South Portland, 13 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 302 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in South Portland, 12 mi away
Ranked #8 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 Gorham, 29 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 192 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Durham, 39 mi away
Ranked #10 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 Lebanon, 29 mi away
Ranked #11 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 South Berwick, 25 mi away
Ranked #12 because of its Google rating and trade focus: 3.0★ from 27 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Rochester, 30 mi away
Ranked #13 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 Gorham, 28 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 41 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Auburn, 28 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 6 of 8 factors; credentials and recency not yet collected.
Based in Brunswick, 38 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 29 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Westbrook, 17 mi away
Ranked #17 because of its Google rating and trade focus: 4.3★ from 11 Google reviews, listed on Google as “HVAC contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Biddeford
Ranked #18 because of its Google rating and trade focus: 4.0★ from 20 Google reviews, listed on Google as “Landscaper”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Gorham, 24 mi away
Ranked #19 because of its Google rating and availability: 3.8★ from 5 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 4 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Electrician”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Portland, 16 mi away
Ranked #21 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Electrician”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Topsham, 39 mi away
Ranked #22 because of its Google rating and trade focus: 3.0★ from 20 Google reviews, listed on Google as “Solar energy system service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Gilford, 38 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 20 Google reviews, listed on Google as “Electrician”.
Based on 6 of 8 factors; credentials and recency not yet collected.
14 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 | 11 mi | |
| Boundary Line | 24 mi | |
| Clean Energy Solutions | 5.0★ (1) | 15 mi |
| Dirigo Solar LLC | 15 mi | |
| GreenSolarME LLC | 24 mi | |
| Hawk Energy Consulting | 9 mi | |
| Independent Solar USA | 21 mi | |
| Industrial Development Services Corporation | 13 mi | |
| Peak Energy Solutions, LLC | 15 mi | |
| Portside Systems, LLC | 32 mi | |
| RGK Solar | 18 mi | |
| Solar Maine Power LLC | 15 mi | |
| Solarize Window Insulators | 5.0★ (1) | In Biddeford |
| Stellar Energy,LLC | 36 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 23 Biddeford 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 Biddeford 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 |