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Emergency Electricians in St. Catharines, ON (2026)

Top 50 of 156 electricians, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 electricians on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

Sparks, smoke or a burning smell: leave the room and call 911. Never touch a fallen power line; call your utility.

The short answer

  1. 1

    #1 for emergency electrical work in St. Catharines: Reliance Heating, Air Conditioning & Plumbing, open 24/7.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

Top emergency electricians in St. Catharines at a glance

Top emergency electricians in St. Catharines at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Reliance Heating, Air Conditioning & Plumbing624.8★ (2,986)St. Catharines24/7
2Mr. Furnace Heating and Air Conditioning624.8★ (2,672)St. Catharines24/7
3Enercare614.6★ (2,788)St. Catharines24/7
4Millen Electric615.0★ (302)Norfolk County, 27 km away24/7
5VISCA electric614.9★ (88)Niagara Falls, 14 km away24/7
6Timmers Electric Inc.604.9★ (42)Niagara Falls, 8 km away24/7
7Powered Electric Niagara605.0★ (101)Welland, 21 km away24/7
8Empire Electric Enterprises LLC604.8★ (377)North Tonawanda, 34 km away24/7
9Roy's Plumbing, Heating, Cooling & Electrical594.8★ (3,074)Tonawanda, 34 km away24/7
10Main Electric594.8★ (22)Thorold, 10 km away24/7

Call an emergency electrician in St. Catharines now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency electricians in St. Catharines, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 156 is on the electricians page.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  3. #3 Enercare

    Based in St. Catharines

    61/100CR Score

    Ranked #3 because of its Google rating and review volume: 4.6★ from 2,788 Google reviews.

    • 4.6★ from 2,788 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    30 Hannover Dr, St. Catharines, ON L2W 1A3
    View profile for Enercare(905) 225-1107

  4. #4 Millen Electric

    Based in Norfolk County, 27 km away

    61/100CR Score

    Ranked #4 because of its Google rating and trade focus: 5.0★ from 302 Google reviews, listed on Google as “Electrician”.

    • 5.0★ from 302 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Millen Electric(905) 929-3138

  5. #5 VISCA electric

    Based in Niagara Falls, 14 km away

    61/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 88 Google reviews, listed on Google as “Electrician”.

    • 4.9★ from 88 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5602 George St, Niagara Falls, ON L2E 3E2
    View profile for VISCA electric(905) 354-0184

  10. #10 Main Electric

    Based in Thorold, 10 km away

    59/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Electrician”.

    • 4.8★ from 22 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    35 Cinnamon St, Thorold, ON L2V 0H6
    View profile for Main Electric(905) 380-5718

  15. #15 Vasi Electrical

    Based in Niagara Falls, 17 km away

    58/100CR Score

    Ranked #15 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Electrician”.

    • 5.0★ from 22 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1337 Garrett Ave, Niagara Falls, NY 14305, United States
    View profile for Vasi Electrical(716) 560-6225

  16. #16 TrueNorth Electric

    Based in Niagara Falls, 12 km away

    58/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Electrical installation service”.

    • 5.0★ from 12 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4596 Baldwin Ave, Niagara Falls, ON L2H 1N8
    View profile for TrueNorth Electric(289) 407-4119

  19. #19 Code Electric

    Based in Ancaster, 36 km away

    56/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.9★ from 55 Google reviews, listed on Google as “Electrician”.

    • 4.9★ from 55 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Code Electric(905) 388-4070

  21. #21 Primo Services

    Based in Niagara Falls, 18 km away

    56/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Electrician”.

    • 5.0★ from 6 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Primo Services(905) 650-3003

  24. #24 Brady Electric Inc

    Based in North Tonawanda, 32 km away

    54/100CR Score

    Ranked #24 because of its Google rating and trade focus: 3.8★ from 32 Google reviews, listed on Google as “Electrician”.

    • 3.8★ from 32 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    63 Industrial Dr Suite 2, North Tonawanda, NY 14120, United States
    View profile for Brady Electric Inc(716) 693-0404

Top 50 of 156 electricians by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

electricians in St. Catharines, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Mulligan Electric544.6★ (10)31 km
27Bonn Electric Inc544.7★ (13)36 km
28Manny's Electric / industrial maintenance535.0★ (66)34 km
29Niagara Premier Home Services535.0★ (5)33 km
30Divine Electric Inc535.0★ (4)33 km
31Brooker Power Entrances Inc535.0★ (8)In St. Catharines
32HTR Home Services & Tree Care515.0★ (53)33 km
33Hildreth Electric504.4★ (22)40 km
34New Standard Electrical Contracting Ltd495.0★ (12)8 km
35Kraun Electric Inc474.9★ (664)In St. Catharines
36St Catharines Auto Electric Ltd474.8★ (27)In St. Catharines
37AB & N Plumbing474.7★ (10)39 km
38A & M Electric475.0★ (6)13 km
39Fred Giessler Electrical464.7★ (3)9 km
40Doll Electric464.8★ (41)35 km
41Cross Controls & Electric455.0★ (21)31 km
42Joe Salvatore455.0★ (3)16 km
43Power Aid Electric455.0★ (11)29 km
44Belle Electric445.0★ (3)19 km
45Dennis Eden Electrical Contr444.6★ (13)32 km
46EL - Local Electrician, Electrical and Security Systems445.0★ (69)In St. Catharines
47Verhoef Electric Inc.444.9★ (179)10 km
48Fredrock Electric Inc444.4★ (7)27 km
49Rosemore Electric Inc.434.9★ (105)7 km
50Lesyk Electric434.8★ (12)36 km

How we ranked emergency electricians in St. Catharines

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 electricians are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency electricians in St. Catharines: questions

Which electricians in St. Catharines are open 24/7?

25 on this list post 24/7 hours, including Reliance Heating, Air Conditioning & Plumbing, Mr. Furnace Heating and Air Conditioning, Enercare, Millen Electric and VISCA electric.

Who is ranked #1 for emergency electrical work in St. Catharines, ON?

Reliance Heating, Air Conditioning & Plumbing is #1, with a CR Score of 62 out of 100 on emergency weights.

How are emergency electricians in St. Catharines ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 electricians are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the electrician arrives?

Sparks, smoke or a burning smell: leave the room and call 911. Never touch a fallen power line; call your utility.

How many emergency electricians here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for St. Catharines

  1. October 2026: CR Scores recalculated for 156 electricians serving St. Catharines.
  2. October 2026: 1 duplicate listing merged.

More emergency and electrical work pages