Terawatt SolarSolar installer in Markham, ON
Terawatt Solar is a solar installer at 7030 Woodbine Ave #500, Markham, ON L3R 6G2, ranked #28 of 82 solar installers in Markham and rated 4.6 from 40 Google reviews. Open Monday to Friday.
Markham, ONUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 7030 Woodbine Ave #500, Markham, ON L3R 6G2Get directions |
|---|---|
| Phone | (877) 648-3323 |
| Website | terawattsolar.ca |
| Hours | Monday to Friday: 8 AM – 5 PM |
| Google rating | 4.6 from 40 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- Solarmain tradeGoogle main category
Service area
Serves Markham and 11 towns within 64 km: Willowdale, North York, Scarborough, Richmond Hill, Concord, Vaughan, Toronto, East York, Pickering, Aurora and Etobicoke.
Based in Markham, ONView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 8 AM – 5 PM |
| Tuesday | 8 AM – 5 PM |
| Wednesday | 8 AM – 5 PM |
| Thursday | 8 AM – 5 PM |
| Friday | 8 AM – 5 PM |
| Saturday | Closed |
| Sunday | Closed |
- Open evenings — no
- Open Saturdays — no
- Open Sundays — no
Typical solar installation prices
| Job | Low | Typical | High |
|---|---|---|---|
| Solar panel installationPer 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) | CA$38,690 | CA$43,760 | CA$47,600 |
Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.
Compare nearby solar installers
| Business | Rank | CR Score | Google rating | License verified | Saturday | Sunday | Distance away |
|---|---|---|---|---|---|---|---|
| Terawatt Solar (this business) | — | 76 | 4.6 (40) | — | No | No | |
| CMI Solar | Solar Panel Installation | #26 | 76 | 4.1 (72) | — | — | — | 28.7 km |
| Goldwater Solar Services Ltd | #27 | 76 | 5.0 (52) | — | No | No | 20.2 km |
| Invictus Solar Corp. | #29 | 75 | 5.0 (5) | — | Yes | No | 20.3 km |
Questions about Terawatt Solar
How is Terawatt Solar ranked in Markham?
Terawatt Solar is ranked #28 of 82 solar installers in Markham by CR Score, with 76 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity and profile completeness. No business can pay to change its rank.
What are Terawatt Solar’s hours?
Terawatt Solar is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.
What areas does Terawatt Solar serve?
Serves Markham and 11 towns within 64 km: Willowdale, North York, Scarborough, Richmond Hill, Concord, Vaughan, Toronto, East York, Pickering, Aurora and Etobicoke. The list is based on the business's location and the usual service radius for solar installation. Confirm your address is covered when you call.
What do Google reviews say about Terawatt Solar?
Terawatt Solar has a rating of 4.6 from 40 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.
How do I contact Terawatt Solar?
Call Terawatt Solar on (877) 648-3323. The business is at 7030 Woodbine Ave #500, Markham, ON L3R 6G2. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.
Own Terawatt Solar? Claim this profile.
Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.