7 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Rayside-Balfour: ProSol Energy Systems, CR Score 86/100; 4.9★ from 116 Google reviews; open Saturdays until 4 PM.
Most-reviewed: Solar Associates, 48 Google reviews at 5.0★, the most of 7 ranked after ProSol Energy Systems; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
7 Rayside-Balfour solar installers are ranked here by CR Score, from 8 published factors. 3 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.9★ across 7 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | ProSol Energy Systems | 86 | 4.9★ (116) | Greater Sudbury, 26 km away | Sat | Overall |
| 2 | Solar Associates | 80 | 5.0★ (48) | Greater Sudbury, 29 km away | — | Most reviews |
| 3 | CVS Maintenance- Painting | 76 | 4.3★ (12) | Greater Sudbury, 24 km away | Sat · Sun · Evenings | — |
| 4 | Enviro Energy Solar | 76 | 5.0★ (9) | Greater Sudbury, 26 km away | Sat · Evenings | — |
| 5 | Ron's TV - Solar Dealer | 76 | 3.3★ (4) | Greater Sudbury, 4 km away | — | — |
| 6 | Northern Solar | 75 | 3.0★ (6) | Greater Sudbury, 58 km away | — | — |
| 7 | Sudbury Solar Solutions | 74 | 5.0★ (20) | Greater Sudbury, 24 km away | — | — |
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 review volume: 4.9★ from 116 Google reviews, the most Google reviews on this list (116).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 29 km away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 24 km away
Ranked #3 because of its Google rating and availability: 4.3★ from 12 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 26 km away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greater Sudbury, 4 km away
Ranked #5 because of its Google rating and trade focus: 3.3★ from 4 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Greater Sudbury, 58 km away
Ranked #6 because of its Google rating and trade focus: 3.0★ from 6 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Greater Sudbury, 24 km away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based on 6 of 8 factors; credentials and recency not yet collected.
US national ranges converted to CAD, not adjusted for Rayside-Balfour. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Solar panel installation | CA$38,690 | CA$43,760 | CA$47,600 | Per system: about 12 kW at about $2.60 per watt, before incentives. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
We scored 7 Rayside-Balfour 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 Rayside-Balfour 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 |