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By CR Score, the highest-ranked electrician in Sun Prairie, WI is Cardinal Heating, Cooling, Plumbing & Electric with a CR Score of 64/100. It has 4.9★ from 4,888 Google reviews. It is open 24/7. Action Plumbing, Heating, Air Conditioning and Electric, Inc. (#2) and N & N Electric (#3) follow. We ranked 98 electricians on ten factors, last updated October 23, 2026.
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ContractorsRanked ranks 98 electricians serving Sun Prairie, WI. 11 of them are based in Sun Prairie; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
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14 ranked electricians in Sun Prairie post 24/7 hours. The highest-ranked are Cardinal Heating, Cooling, Plumbing & Electric (#1), Action Plumbing, Heating, Air Conditioning and Electric, Inc. (#2) and N & N Electric (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
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21 of 98 ranked electricians post Saturday hours and 19 post Sunday hours. The highest-ranked open Saturdays are Cardinal Heating, Cooling, Plumbing & Electric (#1), Action Plumbing, Heating, Air Conditioning and Electric, Inc. (#2) and N & N Electric (#3). Posted hours are office hours; crews may book weekend jobs separately.
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In Wisconsin, Wisconsin Department of Safety and Professional Services handles licensing and covers Electrical wiring and equipment work. Search the business or license number at https://online.drl.wi.gov/LicenseLookup/OrgCredentialSearchResults.aspx.
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Electrical panel upgrade typically costs $518 to $2,193, with $1,347 typical (Per panel, installed; typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Sun Prairie. Prices were last checked October 2026. Get at least two written quotes before you hire.
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The median Google rating among 98 rated electricians in Sun Prairie is 4.8★, with a median of 14 reviews. Cardinal Heating, Cooling, Plumbing & Electric has the most, 4,888 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
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Each electrician gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.