Top-Rated Solar Installers in Boulder, CO

6 local companies ranked by 196 Google reviews. Free to compare, no sign-up.

Ratings and review counts from Google Maps, collected September 2026 · Page updated October 24, 2026

6Companies
196Google reviews
4.7★Average rating
Sep 2026Data collected
Ranked by Google reviewsNot paid forFree to compare

Short answer: The top-rated solar installers in Boulder are Evolve Solar & Radiant Heat (5.0★, 23 reviews), Aqua Care Solar LLC (4.9★, 30 reviews), The Solar Revolution (4.7★, 29 reviews).

Solar installers in Boulder, ranked

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  1. Evolve Solar & Radiant HeatTop pickAlso installs heat pumps and batteries
    5.0 (23 Google reviews)
    1631 6th St, Boulder, CO 80302
  2. Aqua Care Solar LLCAlso installs batteries
    4.9 (30 Google reviews)
    1880 S Flatiron Ct Unit g, Boulder, CO 80301
  3. The Solar RevolutionAlso installs batteries
    4.7 (29 Google reviews)
    5723 Arapahoe Rd #1a, Boulder, CO 80303
  4. 4.6 (67 Google reviews)
    1738 Pearl St, Boulder, CO 80302
  5. Custom SolarAlso installs batteries
    4.6 (29 Google reviews)
    2840 Wilderness Pl, Boulder, CO 80301
  6. American Solar Energy SocietyAlso installs batteries
    4.3 (18 Google reviews)
    2525 Arapahoe Ave Ste E4-253, Boulder, CO 80302

Together these 6 companies average 4.7★ across 196 reviews. The Speedy Electricians has the most reviews (67).

Ranked by Google rating weighted by review count, collected September 2026. Rankings are not paid for. How we rank and how we make money.

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What a solar costs in Boulder

Typical installed priceabout $22,400 to $38,500

For a 7 kW home system ($3.20 to $5.50 per watt, the middle 60% of US home systems in 2023). Your home may cost more or less.

Solar rebates open in Boulderup to $1
Battery rebates open in Boulderup to $5,000

That could cut your cost by up to $5,001 if you qualify. Most rebates have rules (income, your current heating, a registered contractor, approval before work starts).

Price source: Lawrence Berkeley National Lab, Tracking the Sun. Rebates: our verified program data, checked monthly. Always confirm the exact amount for your home.

Talk to a home energy auditor first. Some utility programs want an audit before any work starts. See the top-rated home energy auditors in Boulder.

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How much sun does Boulder get?

Boulder averages about 5.0 peak sun hours a day, more than 79% of the 123 cities we track. As a rough guide, each kilowatt of panels here makes about 1,450 kWh a year (after typical system losses). A good installer will give you a roof-specific estimate that accounts for shading and roof angle.

Source: Open-Meteo historical solar radiation, 2020-2024. Production estimate assumes 80% system efficiency.

Before you hire a solar installer

  1. Ask for a production estimate for your roof (kWh per year) and how shading was measured.
  2. Ask which panels and inverter they use, and who backs the warranty if the company closes.
  3. Ask how your utility credits extra power you send to the grid, and whether a battery makes sense for you.

Questions about solar installers in Boulder

Who is the best solar installer in Boulder?

Based on Google reviews, the top-rated solar installers in Boulder are Evolve Solar & Radiant Heat (5.0★, 23 reviews), Aqua Care Solar LLC (4.9★, 30 reviews), The Solar Revolution (4.7★, 29 reviews). We rank by a review-weighted score, so companies with many strong reviews rank above those with only a few.

How are the solar installers in Boulder ranked?

We list 6 solar companies in Boulder, ranked by Google rating weighted by review count. Together they have 196 Google reviews and average 4.7 stars, collected September 2026. The Speedy Electricians has the most reviews (67). No company pays to be listed or ranked.

How much does solar installation cost in Boulder?

For a 7 kW home system ($3.20 to $5.50 per watt, the middle 60% of US home systems in 2023), the installed price is typically about $22,400 to $38,500, according to Lawrence Berkeley National Lab, Tracking the Sun. Your home may cost more or less, so get at least two quotes for the same work.

Are there rebates for solar panels in Boulder?

Yes. Our verified program data shows solar rebates up to $1, battery rebates up to $5,000 open in Boulder. Most rebates have rules, such as income, your current heating, a registered contractor, or approval before work starts, so check the rebate page before you sign.

How much power do solar panels make in Boulder?

Boulder averages about 5.0 peak sun hours a day, more than 79% of the 123 cities we track. As a rough guide, each kilowatt of panels here makes about 1,450 kWh a year (after typical system losses). A good installer will give you a roof-specific estimate that accounts for shading and roof angle.

What should I ask a solar installer before I hire?

Ask for a production estimate for your roof (kWh per year) and how shading was measured. Ask which panels and inverter they use, and who backs the warranty if the company closes. Ask how your utility credits extra power you send to the grid, and whether a battery makes sense for you.

Before you call anyone, check what solar rebates you can get in Boulder. Many programs require approval or a registered contractor before work starts.

Planning more upgrades? See the top-rated heat pump installers, home battery installers, home energy auditors in Boulder.

How to read these results

  1. Open the profile.How a installer describes its own work tells you a lot. Look for jobs like yours.
  2. Read the Google reviews.Stars and counts come from Google Maps. Click through and read what past customers wrote, good and bad.
  3. Check for program badges.A green registered-contractor badge means the company is on the program's own list, which some rebates require.
  4. Compare three.Do not stop at the first good installer. Three quotes show you the real range in price, equipment and plan.

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