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Emergency Electricians in Londonderry, NH (2026)

Top 50 of 365 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 Londonderry: Cote Electric, LLC, 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 Londonderry at a glance

Top emergency electricians in Londonderry at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Cote Electric, LLC894.8★ (399)Manchester, 9 mi away24/7
2Sylvester Electric, Inc.894.7★ (898)Dracut, 13 mi away24/7
3Dalpe Electric LLC884.9★ (52)Derry, 3 mi away24/7
4High Ground Service Pros - Plumbers Electricians & HVAC Technicians884.9★ (2,303)Manchester, 10 mi away24/7
5Heritage Home Service884.8★ (7,956)Auburn, 7 mi away24/7
6TF Electric885.0★ (148)Dracut, 14 mi away24/7
7Custom Electric & Communications. A VoltWorks Company.875.0★ (39)Merrimack, 6 mi away24/7
8G Soto Electrical Services, LLC875.0★ (45)Manchester, 9 mi away24/7
9A.J. LeBlanc Heating, A/C, Plumbing & Electrical864.8★ (683)Bedford, 9 mi away24/7
10LHR Plumbing Heating Cooling and Electric864.9★ (454)Manchester, 9 mi away24/7

Call an emergency electrician in Londonderry 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 Londonderry, 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 365 is on the electricians page.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Londonderry

    #1 Cote Electric, LLC

    Based in Manchester, 9 mi away

    89/100CR Score

    Ranked #1 because of its Google rating and availability: 4.8★ from 399 Google reviews, open 24/7.

    • 4.8★ from 399 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    555 Valley St, Manchester, NH 03103
    View profile for Cote Electric, LLC(603) 825-5946

  6. #6 TF Electric

    Based in Dracut, 14 mi away

    88/100CR Score

    Ranked #6 because of its Google rating and availability: 5.0★ from 148 Google reviews, open 24/7.

    • 5.0★ from 148 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1393 Lakeview Ave #3a, Dracut, MA 01826
    View profile for TF Electric(978) 479-9030

  25. #25 Finlayson Inc

    Based in Kingston, 16 mi away

    84/100CR Score

    Ranked #25 because of its Google rating and availability: 5.0★ from 24 Google reviews, open 24/7.

    • 5.0★ from 24 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    24 Great Pond Rd, Kingston, NH 03848
    View profile for Finlayson Inc(617) 365-0017

Top 50 of 365 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 Londonderry, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Chandler Electrical Services845.0★ (5)8 mi
27One Stop Electrics845.0★ (15)8 mi
28Larry Berger Electric845.0★ (10)12 mi
29Pro Electrical Services, Inc845.0★ (59)23 mi
30David Cooper Electrician Inc.845.0★ (18)15 mi
31Reynolds Electric Company844.9★ (41)19 mi
32Santiago Electric845.0★ (46)21 mi
33Sanford Temperature Control834.9★ (1,832)17 mi
34Denommee Plumbing, HVAC & Electric834.7★ (427)15 mi
35Diorio Licensed Electrician835.0★ (43)23 mi
36Pincence Electric835.0★ (7)12 mi
37Modern Electrical Services834.8★ (94)20 mi
38Fantastic Electricians835.0★ (13)16 mi
39Almon Electric LLC825.0★ (17)19 mi
40CLK Electric LLC823.5★ (8)5 mi
41Heritage Home Service824.8★ (3,352)22 mi
42Joe's Electrical825.0★ (4)12 mi
43Sorenson Electric, Inc.825.0★ (18)21 mi
44Standby Solutions825.0★ (4)13 mi
45Modern Electric, Inc.825.0★ (24)23 mi
46Stewart Electrical Contracting, Inc.824.6★ (11)17 mi
47Aries Electrical Service And Controls823.9★ (7)13 mi
48Abbott Electrical Contractors815.0★ (11)21 mi
49Copper Electric815.0★ (3)14 mi
50Cricket Residential Electricians | Lowell815.0★ (4)15 mi

How we ranked emergency electricians in Londonderry

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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
Reputation25%Bayesian-adjusted Google star rating
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2
Review volume10%log10(reviews + 1) against the list maximum
Recency10%Share of reviews from the last 12 months
Availability20%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radius
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)

Emergency electricians in Londonderry: questions

Which electricians in Londonderry are open 24/7?

25 on this list post 24/7 hours, including Cote Electric, LLC, Sylvester Electric, Inc., Dalpe Electric LLC, High Ground Service Pros - Plumbers Electricians & HVAC Technicians and Heritage Home Service.

Who is ranked #1 for emergency electrical work in Londonderry, NH?

Cote Electric, LLC is #1, with a CR Score of 89 out of 100 on emergency weights.

How are emergency electricians in Londonderry ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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 Londonderry

  1. October 2026: CR Scores recalculated for 365 electricians serving Londonderry.
  2. October 2026: 2 duplicate listings merged.

More emergency and electrical work pages