9 electricians ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Watertown: Cannon Electric LLC, CR Score 85/100; 4.9★ from 231 Google reviews.
Best for emergencies (open 24/7): Schulz Electric, posts 24/7 hours; ranked #2 of 9.
Most-reviewed: Sentry, 22 Google reviews at 5.0★, the most of 9 ranked after Cannon Electric LLC; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
9 Watertown electricians are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 2 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.9★ across 9 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Cannon Electric LLC | 85 | 4.9★ (231) | Watertown | — | Overall |
| 2 | Schulz Electric | 84 | 5.0★ (3) | Watertown | 24/7 | Emergencies |
| 3 | Dupont Electric Inc | 81 | 4.0★ (7) | Watertown | — | — |
| 4 | Muth Electric Inc. | 77 | 4.2★ (17) | Watertown | — | — |
| 5 | Engelstad Electric | 75 | 4.2★ (6) | Watertown | — | — |
| 6 | Marquardt Electric Inc | 73 | 5.0★ (3) | Watertown | — | — |
| 7 | Cruzworks | 73 | 5.0★ (6) | Watertown | Sat | — |
| 8 | Sentry | 73 | 5.0★ (22) | Watertown | — | Most reviews |
| 9 | Dockter's Electric Inc | 73 | 3.0★ (6) | Watertown | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.9★ from 231 Google reviews, the most Google reviews on this list (231).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Watertown
Ranked #2 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Watertown
Ranked #3 because of its Google rating and trade focus: 4.0★ from 7 Google reviews, listed on Google as “Electrician”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Watertown
Ranked #4 because of its Google rating and trade focus: 4.2★ from 17 Google reviews, listed on Google as “Electrician”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Watertown
Ranked #5 because of its Google rating and trade focus: 4.2★ from 6 Google reviews, listed on Google as “Electrical installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Watertown
Ranked #6 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Electrician”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Watertown
Ranked #7 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Watertown
Ranked #8 because of its Google rating and review volume: 5.0★ from 22 Google reviews, 22 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Watertown
Ranked #9 because of its Google rating and trade focus: 3.0★ from 6 Google reviews, listed on Google as “Electrician”.
Based on 6 of 8 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Watertown. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Electrical panel upgrade | $518 | $1,347 | $2,193 | Per panel, installed; typical range of customer-reported jobs. US national range | October 2026 |
In South Dakota, South Dakota Electrical Commission licenses Electrical wiring and equipment work.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
We scored 9 Watertown electricians on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Watertown data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |