43 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Thorold: NOCO Residential: HVAC, Fuels, and Energy, CR Score 91/100; 4.8★ from 440 Google reviews; open 24/7.
Best for emergencies (open 24/7): High Park Electrical, posts 24/7 hours; ranked #9 of 43.
Most-reviewed: Solar X Inc., 650 Google reviews at 4.5★, the most of 43 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
43 Thorold solar installers are ranked here by CR Score, from 8 published factors. 2 are open 24/7, 14 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.9★ across 43 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | NOCO Residential: HVAC, Fuels, and Energy | 91 | 4.8★ (440) | Tonawanda, 33 km away | 24/7 | Overall |
| 2 | DT Cleaning Window & Eaves | Gutter Cleaning | 80 | 5.0★ (443) | Etobicoke, 61 km away | Sat · Sun | — |
| 3 | Blue sky solar inc | 79 | 5.0★ (112) | Mississauga, 64 km away | Sat | — |
| 4 | Go Solar WNY | 78 | 4.9★ (41) | Lockport, 42 km away | Sat | — |
| 5 | Solar Liberty | 77 | 4.9★ (118) | Buffalo, 43 km away | — | — |
| 6 | DT Cleaning Mississauga - Window cleaning & gutter cleaning | 77 | 4.9★ (156) | Mississauga, 61 km away | Sat · Sun · Evenings | — |
| 7 | Buffalo Solar | 76 | 4.9★ (127) | Depew, 47 km away | — | — |
| 8 | Solar X Inc. | 76 | 4.5★ (650) | Toronto, 63 km away | Evenings | Most reviews |
| 9 | High Park Electrical | 75 | 5.0★ (23) | Etobicoke, 62 km away | 24/7 | Emergencies |
| 10 | Solar By CIR Buffalo | 75 | 4.8★ (117) | Grand Island, 19 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 availability: 4.8★ from 440 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Etobicoke, 61 km away
Ranked #2 because of its Google rating and review volume: 5.0★ from 443 Google reviews, 443 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mississauga, 64 km away
Ranked #3 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 Lockport, 42 km away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 41 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buffalo, 43 km away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 118 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mississauga, 61 km away
Ranked #6 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 Depew, 47 km away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 127 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 #8 because of its Google rating and review volume: 4.5★ from 650 Google reviews, the most Google reviews on this list (650).
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: 5.0★ from 23 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Grand Island, 19 km away
Ranked #10 because of its Google rating and review volume: 4.8★ from 117 Google reviews, 117 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Toronto, 60 km away
Ranked #11 because of its Google rating and trade focus: 4.5★ from 10 Google reviews, listed on Google as “Solar energy system service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Toronto, 60 km away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Toronto, 64 km away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 21 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Norfolk County, 49 km away
Ranked #14 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 Toronto, 62 km away
Ranked #15 because of its Google rating and trade focus: 3.0★ from 10 Google reviews, listed on Google as “Solar energy system service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Grand Island, 19 km away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mississauga, 60 km away
Ranked #17 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 Grand Island, 37 km away
Ranked #18 because of its Google rating and availability: 4.8★ from 16 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fort Erie, 46 km away
Ranked #19 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hamilton, 57 km away
Ranked #20 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 Toronto, 61 km away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Tonawanda, 33 km away
Ranked #22 because of its Google rating and trade focus: 5.0★ 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 Buffalo, 40 km away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brant, 41 km away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Concrete contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Hamilton, 56 km away
Ranked #25 because of its Google rating and trade focus: 4.4★ from 14 Google reviews, listed on Google as “Solar energy company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #43, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Rechargeables Inc. | 69 | 5.0★ (7) | 55 km |
| 27 | Centre Star Solar | 68 | 4.0★ (16) | 59 km |
| 28 | Golden Horseshoe Roofing | 68 | 4.9★ (100) | 58 km |
| 29 | Niagara Skylights | 68 | 5.0★ (3) | 8 km |
| 30 | Sunly Energy | 68 | 5.0★ (6) | 56 km |
| 31 | North American Solar Academy | 68 | 5.0★ (3) | 57 km |
| 32 | Solar Provider Group Inc. | 68 | 4.6★ (8) | 61 km |
| 33 | SkyPower | 67 | 4.8★ (4) | 61 km |
| 34 | iSOLAR SOLUTIONS | 67 | 4.8★ (27) | 33 km |
| 35 | New Wave Energy | 67 | 4.0★ (448) | 37 km |
| 36 | ArtIn Energy - Toronto | 66 | 5.0★ (3) | 60 km |
| 37 | Net0Homes | 66 | 5.0★ (3) | 61 km |
| 38 | UGE CANADA RE | 66 | 4.0★ (3) | 62 km |
| 39 | OYA Renewables | 65 | 2.3★ (6) | 61 km |
| 40 | National Solar Technologies | 65 | 5.0★ (4) | 45 km |
| 41 | Silfab Solar Inc. | 64 | 3.1★ (41) | 64 km |
| 42 | Wireology Inc. | 64 | 4.8★ (25) | 60 km |
| 43 | NOCO HVAC, Fuels, and Energy | 62 | 3.3★ (11) | 40 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 |
|---|---|---|
| 911 Roofer | 4.6★ (11) | In Thorold |
| Amped Solar Designs | 23 km | |
| DynoRaxx | 5.0★ (1) | 43 km |
| Elite Solar Panel Toronto Co. | 5.0★ (1) | 61 km |
| GOLDBECK SOLAR Canada Corp. | 5.0★ (1) | 61 km |
| Green Energy Co-operative of Ontario | 5.0★ (1) | 56 km |
| Legacy Power Ltd. | 5.0★ (1) | In Thorold |
| Montante Group | 5.0★ (1) | 28 km |
| Montante Solar | 28 km | |
| NOCO HVAC, Fuels, and Energy | 27 km | |
| Phoventus Inc. | 5.0★ (2) | 59 km |
| Sneravetro Solar Energy | 5.0★ (1) | 56 km |
| Solar Dynamics Corporation | 6 km | |
| Solar Niagara | 14 km | |
| Solar Trader Inc. | 5.0★ (1) | 41 km |
| Solar X | 5.0★ (2) | 55 km |
| SolarCovers.com | 29 km | |
| SolarLine Power Inc. | 14 km | |
| Sunny Solar Company | 5.0★ (1) | 43 km |
| YSG Solar Farms | 5.0★ (1) | 35 km |
US national ranges converted to CAD, not adjusted for Thorold. 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 43 Thorold 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 Thorold 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 |