60/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 6,512 Google reviews, the most in Markham.
- 4.8★ from 6,512 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2225 Sheppard Ave E, North York, ON M2J 5C2
Best Solar Installers in Markham, ON (2026)
82 solar installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Markham: Go Lime, CR Score 60/100; 4.8★ from 6,512 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Voltly Energy, posts 24/7 hours; ranked #2 of 82.
- 10
Most-reviewed: Solar X Inc., 650 Google reviews at 4.5★, the most of 82 ranked after Go Lime; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
82 Markham solar installers are ranked here by CR Score, from ten published factors. 7 are open 24/7, 31 open Saturdays and 20 open Sundays, based on posted hours. The median Google rating is 4.8★ across 82 rated businesses.
Top 10 solar installers in Markham at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Go Lime | 60 | 4.8★ (6,512) | North York, 12 km away | 24/7 | Overall |
| 2 | Voltly Energy | 59 | 5.0★ (22) | Scarborough, 5 km away | 24/7 | Emergencies |
| 3 | Sharpline Home Comfort | 58 | 4.9★ (215) | Richmond Hill, 36 km away | Sat · Sun | — |
| 4 | Sooren Inc. | 57 | 4.3★ (12) | Richmond Hill, 13 km away | 24/7 | — |
| 5 | Radiant Solar Energy Group | 56 | 5.0★ (25) | Vaughan, 22 km away | Sat · Sun | — |
| 6 | GriffEnergy | 56 | 4.7★ (13) | Toronto, 24 km away | 24/7 | — |
| 7 | BigM Canada | 56 | 4.9★ (13) | Scarborough, 12 km away | Sat · Sun · Evenings | — |
| 8 | Polaron Solar Energy | 56 | 4.5★ (434) | Scarborough, 9 km away | — | — |
| 9 | The Next Level Consulting | Energy Assessments For Residential and Business | 56 | 4.9★ (184) | Aurora, 23 km away | — | — |
| 10 | Solar X Inc. | 55 | 4.5★ (650) | Toronto, 24 km away | Evenings | Most reviews |
The 82 best solar installers in Markham, ranked
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.
Based in Scarborough, 5 km away
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 22 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 80 Dynamic Dr #21, Scarborough, ON M1V 2V1
Based in Richmond Hill, 36 km away
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 215 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 215 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun 9 AM–5 PM
#4 Sooren Inc.
Based in Richmond Hill, 13 km away
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.3★ from 12 Google reviews, listed on Google as “Solar energy company”.
- 4.3★ from 12 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 44 Ellesmere St. , L4B 4E2, Richmond Hill, ON L4B 4E2
Based in Vaughan, 22 km away
56/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 25 Google reviews
- Hours
- Mon–Sun 9 AM–6 PM
- Address
- 665 Millway Ave #30, Vaughan, ON L4K 3T8
#6 GriffEnergy
Based in Toronto, 24 km away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Solar energy company”.
- 4.7★ from 13 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 260 Eddystone Ave, Toronto, ON M3N 1H7
#7 BigM Canada
Based in Scarborough, 12 km away
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 13 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 13 Google reviews
- Hours
- Mon–Sun 9 AM–9 PM
- Address
- 22 Highbrook Dr, Scarborough, ON M1P 3L3
Based in Scarborough, 9 km away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.5★ from 434 Google reviews, listed on Google as “Solar energy company”.
- 4.5★ from 434 Google reviews
- Hours
- Mon–Fri 9:30 AM–5 PM · Sat–Sun closed
- Address
- 3761 Victoria Park Ave Unit 9, Scarborough, ON M1W 3S2
Based in Aurora, 23 km away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 184 Google reviews, listed on Google as “Solar energy system service”.
- 4.9★ from 184 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 531 Wellington St W, Aurora, ON L4G 6J7
#10 Solar X Inc.
Based in Toronto, 24 km away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.5★ from 650 Google reviews, listed on Google as “Solar energy company”.
- 4.5★ from 650 Google reviews
- Hours
- Mon–Fri 9 AM–8 PM · Sat–Sun closed
- Address
- 955 Bay St. Ste 2307, Toronto, ON M5S 0C6
Based in Mississauga, 44 km away
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 112 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 112 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
- Address
- 4099 Brickstone Mews, Mississauga, ON L5B 0G2
#12 Terawatt Solar
Based in Markham
55/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.6★ from 40 Google reviews, listed on Google as “Solar energy company”.
- 4.6★ from 40 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 7030 Woodbine Ave #500, Markham, ON L3R 6G2
Based in North York, 9 km away
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 57 Google reviews, listed on Google as “Solar energy equipment supplier”.
- 4.9★ from 57 Google reviews
- Hours
- Mon–Sun 12 PM–6 PM
- Address
- 105 Gordon Baker Rd #502, North York, ON M2H 3P8
#14 Upgradium
Based in Etobicoke, 32 km away
54/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 36 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 36 Google reviews
- Hours
- Mon–Fri 8:30 AM–8:30 PM · Sat 9:30 AM–6:30 PM · Sun closed
- Address
- 9 Mabelle Ave Unit 825, Etobicoke, ON M9A 0E1
Based in North York, 21 km away
54/100CR ScoreRanked #15 because of its Google rating and review volume: 5.0★ from 228 Google reviews.
- 5.0★ from 228 Google reviews
- Hours
- Mon–Sun 7 AM–6 PM
- Address
- 31 Tippett Rd apt 905, North York, ON M3H 0C8
#16 Better Solar
Based in Toronto, 27 km away
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.5★ from 10 Google reviews, listed on Google as “Solar energy system service”.
- 4.5★ from 10 Google reviews
- Hours
- Mon–Sun 10 AM–9 PM
- Address
- 88 Harbour St, Toronto, ON M5J 0B5
Based in Etobicoke, 33 km away
54/100CR ScoreRanked #17 because of its Google rating and review volume: 5.0★ from 443 Google reviews.
- 5.0★ from 443 Google reviews
- Hours
- Mon–Fri 8:30 AM–6 PM · Sat 9 AM–6 PM · Sun 10 AM–6 PM
- Address
- 7 Inverleigh Dr, Etobicoke, ON M8Y 3E4
Based in Toronto, 28 km away
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 52 Google reviews
- Hours
- Mon–Fri 8 AM–8 PM · Sat–Sun closed
- Address
- 231 Fort York Blvd, Toronto, ON M5V 1B2
#19 Exactus Energy
Based in Toronto, 25 km away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 21 Google reviews, listed on Google as “Solar energy company”.
- 4.9★ from 21 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat 8 AM–6 PM · Sun closed
- Address
- 888 Dupont St Unit 208, Toronto, ON M9A 1B5
#20 PWH ECO SOLUTION
Based in Vaughan, 20 km away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Solar energy company”.
- 5.0★ from 14 Google reviews
- Hours
- Mon–Tue 9:30 AM–5 PM · Wed 10 AM–4 PM · Thu 9:30 AM–5 PM · Fri 9:30 AM–5:30 PM · Sat 9:30 AM–3 PM · Sun closed
- Address
- 8461 Keele St Unit 30, Vaughan, ON L4K 1Z6
Based in North York, 16 km away
53/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 70 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 70 Google reviews
- Hours
- Mon–Fri 9 AM–6 PM · Sat 9 AM–2 PM · Sun closed
- Address
- 15 Northtown Way, North York, ON M2N 7A2
Based in Toronto, 23 km away
53/100CR ScoreRanked #22 because of its Google rating and trade focus: 3.0★ from 10 Google reviews, listed on Google as “Solar energy system service”.
- 3.0★ from 10 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
- Address
- 113 Bertmount Ave, Toronto, ON M4M 2X8
#23 ProFusion Solar
Based in Richmond Hill, 9 km away
53/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Solar energy company”.
- 4.7★ from 13 Google reviews
- Hours
- Mon–Fri 9 AM–7 PM · Sat–Sun closed
- Address
- 100 Mural St Suite 100, Richmond Hill, ON L4B 1J3
#24 Maxdura Battery
Based in Scarborough, 7 km away
53/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Solar energy company”.
- 4.7★ from 12 Google reviews
- Hours
- Mon–Fri 8:30 AM–5 PM · Sat–Sun closed
- Address
- 140 McLevin Ave Unit 8, Scarborough, ON M1B 3V1
Based in Etobicoke, 20 km away
53/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Solar energy system service”.
- 5.0★ from 20 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
Solar installers ranked #26 to #50
#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 82 ranked solar installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Herc Du Soleil | 52 | 4.9★ (32) | 27 km |
| 27 | DayJobs - Window Cleaning | 52 | 5.0★ (60) | 31 km |
| 28 | Microgreen Solar Corporation | 52 | 4.2★ (19) | 10 km |
| 29 | Toronto Wiring | 52 | 4.7★ (84) | 28 km |
| 30 | iShine Window Cleaning Toronto | 52 | 5.0★ (38) | 10 km |
| 31 | SolarUp Inc. | 52 | 4.5★ (23) | 19 km |
| 32 | Sunrise NRG | 52 | 5.0★ (7) | 9 km |
| 33 | CMI Solar | Solar Panel Installation | 52 | 4.1★ (72) | 38 km |
| 34 | Invictus Solar Corp. | 52 | 5.0★ (5) | 28 km |
| 35 | DT Cleaning Mississauga - Window cleaning & gutter cleaning | 51 | 4.9★ (156) | 36 km |
| 36 | Green Integrations Inc. | 51 | 4.5★ (15) | 24 km |
| 37 | LH Solar Inc | 51 | 2.5★ (6) | In Markham |
| 38 | mySolar | 51 | 4.6★ (129) | 52 km |
| 39 | High Park Electrical | 51 | 5.0★ (23) | 30 km |
| 40 | Solify | 51 | 4.4★ (93) | 13 km |
| 41 | Hammond Renewable Energy Inc. | 51 | 5.0★ (5) | 19 km |
| 42 | RESCo Energy Inc. | 51 | 3.7★ (6) | 34 km |
| 43 | Reboot Solar | 51 | 4.8★ (16) | 17 km |
| 44 | Solar Fox | 51 | 5.0★ (13) | 13 km |
| 45 | Solaris Power | 50 | 5.0★ (5) | 19 km |
| 46 | New Dawn Energy Solutions | 50 | 4.5★ (63) | In Markham |
| 47 | Solar X | 50 | 5.0★ (5) | 22 km |
| 48 | Solar Provider Group Inc. | 50 | 4.6★ (8) | 28 km |
| 49 | Ecohive | 50 | 5.0★ (9) | 34 km |
| 50 | Right Track Home Solutions | 50 | 4.5★ (15) | 33 km |
Also serving Markham
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 |
|---|---|---|
| 2 Solar | 1.0★ (1) | In Markham |
| Astenik Solar | In Markham | |
| BigZ Contracting | In Markham | |
| BrightCore Electrical | 5.0★ (12) | In Markham |
| Constant Home Comfort | 4.8★ (583) | In Markham |
| Efan Solar Ltd | In Markham | |
| Far East Solar | 5.0★ (1) | In Markham |
| Free Ontario Solar Inc | 5.0★ (2) | In Markham |
| Future Solar Developments Inc | In Markham | |
| Imperial Energy | 4.8★ (123) | In Markham |
| Innovation Electric Inc. | 5.0★ (225) | In Markham |
| Lumin Solar Inc | 4.0★ (1) | In Markham |
| Rack N Track | In Markham | |
| RDX Solar Technology inc. | In Markham | |
| Signature Electric Ltd | 4.6★ (83) | In Markham |
| Slk Solar Corporation | In Markham | |
| Solarwind New Energy Co., Ltd | 5.0★ (1) | In Markham |
| Solitechman Electrical inc. ECRA #7017210 | 5.0★ (26) | In Markham |
| Sparkle Light | 4.9★ (1,533) | In Markham |
| WH Mechanical Engineering Inc o/a ENERPAK | 5.0★ (1) | In Markham |
How much do solar installers cost in Markham?
US national ranges converted to CAD, not adjusted for Markham. 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 |
How we ranked Markham solar installers
We scored 82 Markham 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 Markham 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 |
Solar installers in Markham: frequently asked questions
Who is the best solar installer in Markham?
By CR Score, the highest-ranked solar installer in Markham, ON is Go Lime with a CR Score of 60/100. It has 4.8★ from 6,512 Google reviews. It is open 24/7. Voltly Energy (#2) and Sharpline Home Comfort (#3) follow. We ranked 82 solar installers on ten factors, last updated October 22, 2026.
How many solar installers are there in Markham?
ContractorsRanked ranks 82 solar installers serving Markham, ON. 3 of them are based in Markham; the rest serve it from nearby towns. Another 20 within 64 km are listed but not ranked yet. Counts are as of October 2026.
Which solar installers in Markham are open 24/7?
7 ranked solar installers in Markham post 24/7 hours. The highest-ranked are Go Lime (#1), Voltly Energy (#2) and Sooren Inc. (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which solar installers in Markham work on weekends?
31 of 82 ranked solar installers post Saturday hours and 20 post Sunday hours. The highest-ranked open Saturdays are Go Lime (#1), Voltly Energy (#2) and Sharpline Home Comfort (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does solar panel installation cost in Markham?
Solar panel installation typically costs CA$38,690 to CA$47,600, with CA$43,760 typical (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)). This is a national range, not adjusted for Markham. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Markham solar installers have?
The median Google rating among 82 rated solar installers in Markham is 4.8★, with a median of 15 reviews. Go Lime has the most, 6,512 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank solar installers?
Each solar installer gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do solar installers outside Markham count in this ranking?
Yes, if they are within 64 km of the Markham city centre, our service radius for solar installers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Markham
- October 2026: CR Scores recalculated for 82 solar installers serving Markham.
More solar installers and Markham pages
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