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By CR Score, the highest-ranked solar installer in Nampa, ID is Native Solar with a CR Score of 60/100. It has 4.9★ from 206 Google reviews. It is open Saturdays until 8 PM. Beacon Plumbing, Heating, Air-Conditioning, and Electrical, Inc (#2) and Big Dog Solar (#3) follow. We ranked 45 solar installers on ten factors, last updated October 22, 2026.
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ContractorsRanked ranks 45 solar installers serving Nampa, ID. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
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5 ranked solar installers in Nampa post 24/7 hours. The highest-ranked are Beacon Plumbing, Heating, Air-Conditioning, and Electrical, Inc (#2), Beacon Plumbing, Heating, Air-Conditioning, and Electrical, Inc (#5) and Hawaiian Built Roofing (#18). Hours come from each business's Google listing as of October 2026, so call to confirm.
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21 of 45 ranked solar installers post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are Native Solar (#1), Beacon Plumbing, Heating, Air-Conditioning, and Electrical, Inc (#2) and Big Dog Solar (#3). Posted hours are office hours; crews may book weekend jobs separately.
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Solar panel installation typically costs $25,190 to $30,990, with $28,490 typical (Per system: about 12 kW at about $2.60 per watt, before incentives. US national range × 0.92 Mountain factor (2025 Cost vs. Value Report)). The range is adjusted for Idaho. Prices were last checked October 2026. Get at least two written quotes before you hire.
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The median Google rating among 45 rated solar installers in Nampa is 4.9★, with a median of 53 reviews. Beacon Plumbing, Heating, Air-Conditioning, and Electrical, Inc has the most, 1,464 reviews, and ranks #2. We adjust ratings for review count, so a few five-star reviews cannot top the list.
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Each solar installer 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.
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Yes, if they are within 40 mi of the Nampa city center, our service radius for solar installers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.