62 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Guelph: Guelph Solar, CR Score 83/100; 4.9★ from 187 Google reviews.
Best for emergencies (open 24/7): GriffEnergy, posts 24/7 hours; ranked #4 of 62.
Most-reviewed: DT Cleaning Window & Eaves | Gutter Cleaning, 443 Google reviews at 5.0★, the most of 62 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
62 Guelph solar installers are ranked here by CR Score, from 8 published factors. 2 are open 24/7, 12 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.8★ across 62 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Guelph Solar | 83 | 4.9★ (187) | Norfolk County, 5 km away | — | Overall |
| 2 | Blue sky solar inc | 82 | 5.0★ (112) | Mississauga, 49 km away | Sat | — |
| 3 | VCT Group Inc. | 82 | 5.0★ (143) | Kitchener, 17 km away | — | — |
| 4 | GriffEnergy | 81 | 4.7★ (13) | Toronto, 63 km away | 24/7 | Emergencies |
| 5 | Bluewater Energy | 81 | 4.9★ (62) | Guelph | — | — |
| 6 | DT Cleaning Window & Eaves | Gutter Cleaning | 81 | 5.0★ (443) | Etobicoke, 62 km away | Sat · Sun | Most reviews |
| 7 | Solar Direct Canada | 81 | 4.0★ (8) | Norfolk County, 17 km away | Sat · Sun | — |
| 8 | The North Solar | 79 | 5.0★ (36) | East Gwillimbury, 9 km away | — | — |
| 9 | Toronto Wiring | 78 | 4.7★ (84) | Etobicoke, 62 km away | 24/7 | — |
| 10 | Envisionmatrix Solar | 78 | 4.8★ (25) | Waterloo, 28 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 trade focus: 4.9★ from 187 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mississauga, 49 km away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 112 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kitchener, 17 km away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 143 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Toronto, 63 km away
Ranked #4 because of its Google rating and availability: 4.7★ from 13 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Guelph
Ranked #5 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Etobicoke, 62 km away
Ranked #6 because of its Google rating and review volume: 5.0★ from 443 Google reviews, the most Google reviews on this list (443).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Norfolk County, 17 km away
Ranked #7 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in East Gwillimbury, 9 km away
Ranked #8 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 Etobicoke, 62 km away
Ranked #9 because of its Google rating and availability: 4.7★ from 84 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waterloo, 28 km away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 25 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 Etobicoke, 60 km away
Ranked #11 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 Mississauga, 53 km away
Ranked #12 because of its Google rating and trade focus: 4.1★ from 72 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Mississauga, 59 km away
Ranked #13 because of its Google rating and review volume: 4.9★ from 156 Google reviews, 156 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Guelph
Ranked #14 because of its Google rating and review volume: 5.0★ from 158 Google reviews, 158 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cambridge, 17 km away
Ranked #15 because of its Google rating and trade focus: 4.8★ 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 Mississauga, 45 km away
Ranked #16 because of its Google rating and trade focus: 4.6★ from 129 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brantford, 46 km away
Ranked #17 because of its Google rating and trade focus: 4.7★ 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 Kitchener, 19 km away
Ranked #18 because of its Google rating and review volume: 4.9★ from 73 Google reviews, 73 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hamilton, 44 km away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 17 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 Mississauga, 41 km away
Ranked #20 because of its Google rating and trade focus: 2.3★ from 3 Google reviews, listed on Google as “Solar energy company”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Norfolk County, 50 km away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Solar energy system service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kitchener, 19 km away
Ranked #22 because of its Google rating and availability: 5.0★ from 19 Google reviews, open Saturdays until 5 PM.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brampton, 34 km away
Ranked #23 because of its Google rating and review volume: 5.0★ from 192 Google reviews, 192 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mississauga, 54 km away
Ranked #24 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Solar energy system service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Etobicoke, 62 km away
Ranked #25 because of its Google rating and availability: 4.8★ from 28 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 62 ranked solar installers here; the rest are on their profiles.
20 more solar installers within 64 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Blais Electric | 4.9★ (719) | In Guelph |
| First Green Energy Ltd. | 5.0★ (1) | 34 km |
| Fox Solar Systems | In Guelph | |
| Green Energy Co-operative of Ontario | 5.0★ (1) | 47 km |
| Impact Solar Solutions | 5.0★ (1) | 62 km |
| Integral Electrical Solutions Inc | 5.0★ (2) | 34 km |
| KALAMENN TRADING INCORPORATED | 5.0★ (1) | 46 km |
| Mitra Innovations | 5.0★ (1) | 45 km |
| Phoventus Inc. | 5.0★ (2) | 47 km |
| Power of the Sun2 Solar | 4.0★ (1) | 62 km |
| ReneSola Canada Ltd. | 5.0★ (1) | 51 km |
| Sneravetro Solar Energy | 5.0★ (1) | 45 km |
| Solar Canada | 5.0★ (2) | 19 km |
| Solar Power Depot | 3.0★ (2) | 51 km |
| Solar Trader Inc. | 5.0★ (1) | 59 km |
| Solar X | 5.0★ (2) | 47 km |
| SolarDirectCanada | 5.0★ (2) | 18 km |
| Solartech Solariums | 5.0★ (1) | 17 km |
| Stardust Solar Installation Barrie | 5.0★ (2) | 46 km |
| Sunny Solar Company | 5.0★ (1) | 56 km |
US national ranges converted to CAD, not adjusted for Guelph. 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 62 Guelph 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 Guelph 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 |