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Home Generator Index

Best Standby Generators & Backup Power in Oshawa

Last updated:ByStandby Power Desk

Durham · average 4.8★ across the 22 with a rating · most listed under Electricians · compiled August 2026

24 companies serving Oshawa are listed here. The 22 carrying a rating average 4.8★ on Google. Most of them, 20, are filed under Electricians.

4 of the 24 say on their own website that they install or service generators, transfer switches or battery backup. Their rows below say so. The other 20 are listed for their trade and have not been shown to do that work.

How do the categories compare across Oshawa?

4 categories cover Oshawa, from electricians at 20 companies down to standby generator installation at 1.

Home Generator Index dataset, August 2026. Ratings from public Google reviews; price ranges are typical GTA figures from each category's cost guide.
CategoryListed companiesAvg rating, 3+ reviewsTypical price range
Electricians204.71★$80–$150 per hour (CAD)
Electrical Panel Upgrades54.86★$1,500–$4,000 per project (CAD)
HVAC & Fuel Line Contractors44.92★$1,200–$2,200 per project (CAD)
Standby Generator Installation15★$6,500–$9,500 per project (CAD)

Who are the best electrical contractors in Oshawa?

See all 20

Home Generator Index lists 20 electrical contractors serving Oshawa. Counting only the 17 that clear three reviews, the average is 4.71★ on 1,014 reviews. The current top-ranked pick is Service First Electric at 5★ from 43 reviews.

Who are the best electrical panel upgrade contractors in Oshawa?

See all 5

Home Generator Index lists 5 electrical panel upgrade contractors serving Oshawa. All of them carry review history: 4.86★ on Google over 289 reviews. The current top-ranked pick is Barrett Electric Inc. at 5★ from 81 reviews.

Who are the best HVAC and fuel line contractors in Oshawa?

See all 4

Home Generator Index lists 4 HVAC and fuel line contractors serving Oshawa. Together they average 4.92★ on Google across 17,436 reviews. The current top-ranked pick is Enercare at 4.9★ from 9,659 reviews.

  1. Enercare

    9659 reviews

    HVAC & Fuel Line Contractors

    84/100 Home Generator Index Score

    • Says about 29 years going
    • Says it is licensed
    • Says it is an ECRA/ESA licensed electrical contractor
    Mapped to OshawaOpen 24 hours daily
    Request a quoteFull profilefor Enercare

Who are the best standby generator installers in Oshawa?

Home Generator Index lists 1 standby generator installers serving Oshawa. One has enough review history to judge, at 5★ on 32 reviews. The current top-ranked pick is Everready electrical ltd at 5★ from 32 reviews.

Which other companies are listed in Oshawa?

The 12 companies not shown above, in ranked order. Each profile has the full record.

  1. Safe and Sound Connections
  2. Green Planet Electric
  3. SAV Electric Inc
  4. All Canadian Electrical Services
  5. Lead Electric
  6. Tradescope Electrical
  7. Electro Works
  8. Orbit Electrical
  9. Durham Electrical Contractors
  10. Oak Ridge Building Solutions Inc.
  11. PK Electric
  12. Curt Brown Electric

Which nearby areas can I also compare?

Questions to ask, on the electricians page.

What people ask about backup power in Oshawa

How deep is the Oshawa list?

Home Generator Index's August 2026 dataset lists 24 companies serving Oshawa, and the group averages 4.8★ on Google. Most of them, 20, are filed under Electricians. 4 of the 24 say on their own website that they install or service generators, transfer switches or battery backup; the rest are listed for their trade and have not been shown to do that work.

Which category scores highest in Oshawa?

HVAC & Fuel Line Contractors companies in Oshawa average 4.9★ across 4 rated businesses, the highest of any category Home Generator Index tracks in this area. Ratings come from Google reviews, and Home Generator Index weighs review volume as well as stars.