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Emergency Electricians in New Haven, CT (2026)

Top 50 of 349 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 New Haven: QC Electric, 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 New Haven at a glance

Top emergency electricians in New Haven at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1QC Electric625.0★ (261)Wallingford Center, 16 mi away24/7
2G. Gray Electric LLC614.9★ (207)Ansonia, 16 mi away24/7
3Lagasse Electric LLC615.0★ (53)Milford, 7 mi away24/7
4J.S. Electrical LLC604.9★ (441)Plainville, 24 mi away24/7
5Mister Sparky®604.7★ (83)Shelton, 11 mi away24/7
6Accurate Electrical Contractors605.0★ (619)Prospect, 14 mi away24/7
7Mainline Electric LLC604.9★ (108)Hebron, 16 mi away24/7
8Making Power Moves, LLC605.0★ (99)Bristol, 16 mi away24/7
9Blue Light Electric605.0★ (76)Madison, 15 mi away24/7
10Aiello Home Services- Plumbing, Heating, AC, Electrical & Drain Cleaning594.8★ (601)Wallingford, 14 mi away24/7

Call an emergency electrician in New Haven 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 New Haven, 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 349 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.

  1. Ranked #1 in New Haven

    #1 QC Electric

    Based in Wallingford Center, 16 mi away

    62/100CR Score

    Ranked #1 because of its Google rating and trade focus: 5.0★ from 261 Google reviews, listed on Google as “Electrician”.

    • 5.0★ from 261 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for QC Electric(860) 218-8008

  4. #4 J.S. Electrical LLC

    Based in Plainville, 24 mi away

    60/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 441 Google reviews, listed on Google as “Electrician”.

    • 4.9★ from 441 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    230 S Washington St UNIT 18, Plainville, CT 06062
    View profile for J.S. Electrical LLC(860) 351-5660

  5. #5 Mister Sparky®

    Based in Shelton, 11 mi away

    60/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.7★ from 83 Google reviews, listed on Google as “Electrician”.

    • 4.7★ from 83 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5 Commerce Dr #5, Shelton, CT 06484
    View profile for Mister Sparky®(203) 292-0776

  14. #14 Macos Electric LLC

    Based in Shelton, 12 mi away

    59/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Electrical installation service”.

    • 4.9★ from 35 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    CT-108, Shelton, CT 06484
    View profile for Macos Electric LLC(203) 685-0190

  18. #18 Hunt Electric, LLC

    Based in West Haven, 6 mi away

    59/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Electrician”.

    • 5.0★ from 10 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    28 Woodmont Rd, West Haven, CT 06516
    View profile for Hunt Electric, LLC(203) 306-6926

  20. #20 L&M Electric, LLC

    Based in North Branford, 8 mi away

    58/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.2★ from 21 Google reviews, listed on Google as “Electrician”.

    • 4.2★ from 21 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1071 Foxon Rd, North Branford, CT 06471
    View profile for L&M Electric, LLC(203) 481-2816

Top 50 of 349 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 New Haven, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26O'Connell's Electrical Contractors585.0★ (28)16 mi
27Bright Electrical Contractors LLC585.0★ (25)16 mi
28CT Home Generator Systems574.6★ (32)16 mi
29PURE ENERGY LLC574.8★ (23)16 mi
30Edison Electric574.3★ (6)7 mi
31Aceto Electric LLC575.0★ (12)13 mi
32CF Electrical Service, LLC575.0★ (17)15 mi
33JMP ELECTRIC LLC575.0★ (35)20 mi
34AWB Electrical Services LLC574.2★ (42)16 mi
35Joey G Electric llc575.0★ (15)14 mi
36Empower Electric LLC575.0★ (4)6 mi
37Demo Electrical Services575.0★ (8)11 mi
38Infinity Electric LLC574.9★ (28)19 mi
39Nyerick Electric574.9★ (28)19 mi
40Grenier Electrical LLC575.0★ (16)16 mi
41O’Brien Electrical Contracting575.0★ (16)16 mi
42E. Roman Electric LLC575.0★ (7)10 mi
43L-Train Electric, LLC574.7★ (43)21 mi
44Rayzor Electric LLC564.5★ (8)12 mi
45JC Electrical Services LLC564.3★ (6)10 mi
46First Light Electrical LLC565.0★ (25)21 mi
47Rob's Electric LLC565.0★ (21)21 mi
48AV Electric LLC565.0★ (31)24 mi
49G C Electric Inc563.9★ (21)16 mi
50AB Electric & Security LLC565.0★ (9)16 mi

How we ranked emergency electricians in New Haven

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 New Haven: questions

Which electricians in New Haven are open 24/7?

25 on this list post 24/7 hours, including QC Electric, G. Gray Electric LLC, Lagasse Electric LLC, J.S. Electrical LLC and Mister Sparky®.

Who is ranked #1 for emergency electrical work in New Haven, CT?

QC Electric is #1, with a CR Score of 62 out of 100 on emergency weights.

How are emergency electricians in New Haven 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?

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

Update log for New Haven

  1. October 2026: CR Scores recalculated for 349 electricians serving New Haven.
  2. October 2026: 7 duplicate listings merged.

More emergency and electrical work pages