19 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Listowel: VCT Group Inc., CR Score 58/100; 5.0★ from 143 Google reviews.
Most-reviewed: Guelph Solar, 187 Google reviews at 4.9★, the most of 19 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
19 Listowel solar installers are ranked here by CR Score, from ten published factors. 1 open Saturdays, based on posted hours. The median Google rating is 4.9★ across 19 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Best for |
|---|---|---|---|---|---|
| 1 | VCT Group Inc. | 58 | 5.0★ (143) | Kitchener, 51 km away | Overall |
| 2 | Guelph Solar | 57 | 4.9★ (187) | Norfolk County, 60 km away | Most reviews |
| 3 | Bluewater Energy | 55 | 4.9★ (62) | Guelph, 56 km away | — |
| 4 | The North Solar | 54 | 5.0★ (36) | East Gwillimbury, 55 km away | — |
| 5 | Arcadian Projects Inc. | 53 | 4.4★ (21) | New Hamburg, 45 km away | — |
| 6 | Solar Dynamics | 53 | 4.9★ (73) | Kitchener, 47 km away | — |
| 7 | Envisionmatrix Solar | 52 | 4.8★ (25) | Waterloo, 43 km away | — |
| 8 | Think Green Solutions Inc. | 51 | 4.8★ (19) | Cambridge, 61 km away | — |
| 9 | Agentis Electric Ltd | 51 | 5.0★ (158) | Guelph, 62 km away | — |
| 10 | JYR Energy | 51 | 4.9★ (13) | Norfolk County, 64 km 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: 5.0★ from 143 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norfolk County, 60 km away
Ranked #2 because of its Google rating and review volume: 4.9★ from 187 Google reviews, the most in Listowel.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guelph, 56 km away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in East Gwillimbury, 55 km away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Hamburg, 45 km away
Ranked #5 because of its Google rating and trade focus: 4.4★ from 21 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 47 km away
Ranked #6 because of its Google rating and review volume: 4.9★ from 73 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waterloo, 43 km away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Cambridge, 61 km away
Ranked #8 because of its Google rating and trade focus: 4.8★ 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 Guelph, 62 km away
Ranked #9 because of its Google rating and review volume: 5.0★ from 158 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norfolk County, 64 km away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 13 Google reviews, listed on Google as “Solar energy company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 47 km away
Ranked #11 because of its Google rating and review volume: 5.0★ from 19 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Huron East, 52 km away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Solar energy system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Huron East, 14 km away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waterloo, 41 km away
Ranked #14 because of its Google rating and review volume: 5.0★ from 14 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Huron East, 54 km away
Ranked #15 because of its Google rating and review volume: 4.8★ from 25 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waterloo, 41 km away
Ranked #16 because of its Google rating and review volume: 4.1★ from 21 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cambridge, 61 km away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 7 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cambridge, 61 km away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guelph, 57 km away
Ranked #19 because of its Google rating and trade focus: 3.9★ from 8 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
8 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 |
|---|---|---|
| BLAKE SOLAR | 64 km | |
| Endurance Solar and Wind Home office | 62 km | |
| GPSI Solar | 63 km | |
| Integral Electrical Solutions Inc | 5.0★ (2) | 30 km |
| Paragon Engineering Services Inc. | 45 km | |
| Solartech Solariums | 5.0★ (1) | 50 km |
| Upplands Energy | 33 km | |
| WireQ Inc | 4.9★ (19) | In Listowel |
US national ranges converted to CAD, not adjusted for Listowel. 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 19 Listowel 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 Listowel 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 |