6 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Gravenhurst: Solr Solvr - Solar and other Clean Energy Solutions in Ontario and Alberta, CR Score 57/100; 4.5★ from 19 Google reviews; open Saturdays until 8 PM.
Most-reviewed: SunFlow Solar and Roofing, 32 Google reviews at 3.8★, the most of 6 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
6 Gravenhurst solar installers are ranked here by CR Score, from ten published factors. 1 open Saturdays, based on posted hours. The median Google rating is 4.5★ across 6 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Solr Solvr - Solar and other Clean Energy Solutions in Ontario and Alberta | 57 | 4.5★ (19) | Orillia, 29 km away | Sat · Evenings | Overall |
| 2 | Diamond Renewable Energy | 51 | 5.0★ (5) | Orillia, 35 km away | — | — |
| 3 | Orillia Electric | 49 | 4.8★ (17) | Orillia, 31 km away | — | — |
| 4 | SunFlow Solar and Roofing | 49 | 3.8★ (32) | Barrie, 60 km away | — | Most reviews |
| 5 | Diamond Renewable Energy | 46 | 4.6★ (21) | Barrie, 64 km away | — | — |
| 6 | Tried & True Energy, Electrical Contractors | 42 | 4.5★ (6) | King, 59 km away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 in Gravenhurst
Based in Orillia, 29 km away
Ranked #1 because of its Google rating and trade focus: 4.5★ from 19 Google reviews, listed on Google as “Solar energy company”.
Based in Orillia, 35 km away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.
Based in Orillia, 31 km away
Ranked #3 because of its Google rating and review volume: 4.8★ from 17 Google reviews.
Based in Barrie, 60 km away
Ranked #4 because of its Google rating and review volume: 3.8★ from 32 Google reviews, the most in Gravenhurst.
Based in Barrie, 64 km away
Ranked #5 because of its Google rating and review volume: 4.6★ from 21 Google reviews.
Based in King, 59 km away
Ranked #6 because of its Google rating and review volume: 4.5★ from 6 Google reviews.
US national ranges converted to CAD, not adjusted for Gravenhurst. 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 6 Gravenhurst 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 Gravenhurst 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 |