71 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Oshawa: Go Lime, CR Score 85/100; 4.8★ from 6,512 Google reviews; open 24/7.
Best for emergencies (open 24/7): Voltly Energy, posts 24/7 hours; ranked #2 of 71.
Most-reviewed: Solar X Inc., 650 Google reviews at 4.5★, the most of 71 ranked after Go Lime; ranked #24.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
71 Oshawa solar installers are ranked here by CR Score, from 8 published factors. 8 are open 24/7, 33 open Saturdays and 24 open Sundays, based on posted hours. The median Google rating is 4.9★ across 71 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Go Lime | 85 | 4.8★ (6,512) | North York, 41 km away | 24/7 | Overall |
| 2 | Voltly Energy | 84 | 5.0★ (22) | Scarborough, 33 km away | 24/7 | Emergencies |
| 3 | DayJobs - Window Cleaning | 83 | 5.0★ (60) | Oshawa | 24/7 | — |
| 4 | Sharpline Home Comfort | 81 | 4.9★ (215) | Richmond Hill, 62 km away | Sat · Sun | — |
| 5 | Sooren Inc. | 80 | 4.3★ (12) | Richmond Hill, 47 km away | 24/7 | — |
| 6 | GriffEnergy | 80 | 4.7★ (13) | Toronto, 56 km away | 24/7 | — |
| 7 | BigM Canada | 79 | 4.9★ (13) | Scarborough, 37 km away | Sat · Sun · Evenings | — |
| 8 | Radiant Solar Energy Group | 78 | 5.0★ (25) | Vaughan, 56 km away | Sat · Sun | — |
| 9 | DT Cleaning Window & Eaves | Gutter Cleaning | 77 | 5.0★ (443) | Etobicoke, 60 km away | Sat · Sun | — |
| 10 | DT Cleaning North York - Gutter & Window cleaning | 77 | 5.0★ (228) | North York, 51 km away | Sat · Sun | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and review volume: 4.8★ from 6,512 Google reviews, the most Google reviews on this list (6,512).
Based in Scarborough, 33 km away
Ranked #2 because of its Google rating and availability: 5.0★ from 22 Google reviews, open 24/7.
Based in Oshawa
Ranked #3 because of its Google rating and availability: 5.0★ from 60 Google reviews, open 24/7.
Based in Richmond Hill, 62 km away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 215 Google reviews, listed on Google as “Solar energy company”.
Based in Richmond Hill, 47 km away
Ranked #5 because of its Google rating and availability: 4.3★ from 12 Google reviews, open 24/7.
Based in Toronto, 56 km away
Ranked #6 because of its Google rating and availability: 4.7★ from 13 Google reviews, open 24/7.
Based in Scarborough, 37 km away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 13 Google reviews, listed on Google as “Solar energy company”.
Based in Vaughan, 56 km away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Solar energy company”.
Based in Etobicoke, 60 km away
Ranked #9 because of its Google rating and availability: 5.0★ from 443 Google reviews, open 7 days a week.
Based in North York, 51 km away
Ranked #10 because of its Google rating and availability: 5.0★ from 228 Google reviews, open 7 days a week.
Based in North York, 41 km away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 57 Google reviews, listed on Google as “Solar energy equipment supplier”.
Based in Etobicoke, 58 km away
Ranked #12 because of its Google rating and availability: 4.7★ from 84 Google reviews, open 24/7.
Based in Lindsay, 51 km away
Ranked #13 because of its Google rating and availability: 5.0★ from 23 Google reviews, open 24/7.
Based in Etobicoke, 61 km away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Solar energy company”.
Based in Toronto, 51 km away
Ranked #15 because of its Google rating and trade focus: 4.5★ from 10 Google reviews, listed on Google as “Solar energy system service”.
Based in Scarborough, 32 km away
Ranked #16 because of its Google rating and availability: 5.0★ from 38 Google reviews, open 7 days a week.
Based in Richmond Hill, 53 km away
Ranked #17 because of its Google rating and availability: 4.9★ from 147 Google reviews, open 7 days a week.
Based in Etobicoke, 57 km away
Ranked #18 because of its Google rating and availability: 5.0★ from 23 Google reviews, open 24/7.
Based in Toronto, 47 km away
Ranked #19 because of its Google rating and trade focus: 3.0★ from 10 Google reviews, listed on Google as “Solar energy system service”.
Based in Toronto, 53 km away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 21 Google reviews, listed on Google as “Solar energy company”.
Based in Aurora, 52 km away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 184 Google reviews, listed on Google as “Solar energy system service”.
Based in Oshawa
Ranked #22 because of its Google rating and trade focus: 4.5★ from 15 Google reviews, listed on Google as “Solar energy company”.
Based in Mississauga, 64 km away
Ranked #23 because of its Google rating and availability: 4.9★ from 156 Google reviews, open 7 days a week.
Based in Toronto, 51 km away
Ranked #24 because of its Google rating and trade focus: 4.5★ from 650 Google reviews, listed on Google as “Solar energy company”.
Based in North York, 47 km away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 70 Google reviews, listed on Google as “HVAC contractor”.
#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 71 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Goldwater Solar Services Ltd | 73 | 5.0★ (52) | 53 km |
| 27 | Polaron Solar Energy | 73 | 4.5★ (434) | 40 km |
| 28 | Lily Lake Solar Farm | 73 | 3.8★ (11) | 59 km |
| 29 | PWH ECO SOLUTION | 73 | 5.0★ (14) | 53 km |
| 30 | Invictus Solar Corp. | 73 | 5.0★ (5) | 54 km |
| 31 | BTW Electronic Parts, Batteries, Solar and IT Services. | 73 | 4.8★ (107) | 53 km |
| 32 | Solify | 72 | 4.4★ (93) | 44 km |
| 33 | Terawatt Solar | 72 | 4.6★ (40) | 41 km |
| 34 | Solaris Power | 71 | 5.0★ (5) | 47 km |
| 35 | Maxdura Battery | 71 | 4.7★ (12) | 33 km |
| 36 | Toronto Solar Solutions Inc. | 71 | 5.0★ (20) | 47 km |
| 37 | Herc Du Soleil | 71 | 4.9★ (32) | 53 km |
| 38 | Toronto Roofer | 71 | 4.8★ (28) | 58 km |
| 39 | Reboot Solar | 71 | 4.8★ (16) | 44 km |
| 40 | ProFusion Solar | 71 | 4.7★ (13) | 43 km |
| 41 | Solar Fox | 70 | 5.0★ (13) | 47 km |
| 42 | Sunrise NRG | 70 | 5.0★ (7) | 43 km |
| 43 | SolarUp Inc. | 70 | 4.5★ (23) | 52 km |
| 44 | Microgreen Solar Corporation | 70 | 4.2★ (19) | 43 km |
| 45 | Hammond Renewable Energy Inc. | 69 | 5.0★ (5) | 48 km |
| 46 | JNG Electric | 69 | 5.0★ (10) | In Oshawa |
| 47 | New Dawn Energy Solutions | 69 | 4.5★ (63) | 41 km |
| 48 | SkyPower | 69 | 4.8★ (4) | 51 km |
| 49 | Solar Provider Group Inc. | 69 | 4.6★ (8) | 54 km |
| 50 | Green Integrations Inc. | 69 | 4.5★ (15) | 57 km |
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 |
|---|---|---|
| AB Solar Systems | 3.5★ (2) | 6 km |
| Cattina Solar & Security Installation | 5.0★ (1) | 35 km |
| Far East Solar | 5.0★ (1) | 37 km |
| Free Ontario Solar Inc | 5.0★ (2) | 42 km |
| Green Target Solar | 5.0★ (2) | 46 km |
| Megaline solar tech services inc | 5.0★ (1) | 34 km |
| Northern Solar Works Inc. | 5.0★ (2) | 63 km |
| NT HOME SERVICE INC | 5.0★ (1) | 30 km |
| Ontario Solar Installers | 5.0★ (2) | 51 km |
| Osborne Solar Solutions | 5.0★ (2) | 50 km |
| Oya Solar Inc | 3.0★ (2) | 52 km |
| Solar X | 5.0★ (1) | In Oshawa |
| SolarBank Corporation | 3.0★ (2) | 41 km |
| Solarpedia | 5.0★ (2) | 48 km |
| Solera Sustainable Energies Company | 3.0★ (2) | 24 km |
| Swantech Energy Solutions | 5.0★ (2) | 43 km |
| Toronto Solar Electric | 5.0★ (2) | 56 km |
| Total Eco Energy | 5.0★ (2) | 43 km |
| TRG Energy Inc. | 3.0★ (2) | 24 km |
| Uplynk | In Oshawa |
US national ranges converted to CAD, not adjusted for Oshawa. 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 71 Oshawa 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 Oshawa 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 |