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4 Best Solar Panel Providers in St. Louis (2026)

Ranked by real Google ratings and review volume · How we chose

Brad Smith
By Brad Smith, Home Services Expert · ✓ Updated · 8 min read

We compared 18 solar panel providers in St. Louis on Google Maps · 4 listed · How we rank

Panels stay on a roof for years, so the company behind the install matters as much as the hardware. The solar panel providers in St. Louis listed here have collected more than 420 Google reviews between them, with ratings from 4.5 to 5, and one of them is an electrical contractor that also offers solar.

Short answer: Brda Electric has the largest review base here, 4.9 stars from more than 150 Google reviews, and it is an electrician that also installs solar. StraightUp Solar (4.9, more than 150 reviews) and ECOcentrix (5.0, more than 60 reviews) are both listed on Google as solar energy companies. No prices are published here.
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Solar Installers Side by Side

# Business Rating Reviews Best for
1 Brda Electric 4.9 ★ 159 Electrician with solar and battery work View ›
2 StraightUp Solar 4.9 ★ 157 Dedicated solar installer, home and business View ›
3 ECOcentrix 5.0 ★ 61 Solar plus roofing and energy assessments View ›
4 Astrawatt Solar 4.5 ★ 48 Solar installs with financing help View ›
4 Best Solar Panel Providers in St. Louis (2026)

Who installs solar here, reviewed

Brda Electric logo
#1 Overall🕑 Open 5 days/wk↩ Responds to reviews

Brda Electric

4.9159 Google reviews

Brda Electric is a St. Louis electrical contractor that also offers solar. Its site lists panel upgrades, wiring, EV chargers, generators and lighting for homes and businesses, plus residential and commercial solar with battery storage across Missouri and Southern Illinois, and it says its electricians have worked in St. Louis since 1989. Google files it as a solar energy equipment supplier and an electrician, and its site lists 24/7 emergency repairs.

What people praise

  • One reviewer says the team diagnosed why outlets weren't working in an older home
  • A reviewer describes an electrician arriving a couple of hours earlier than expected and explaining next steps clearly
  • Reviewers praise thorough inspection work and clear explanations of what was being done and why
  • One reviewer had a main power line, surge protector and security cameras handled in a single job

Worth knowing

  • Solar is one service line next to a full electrical business, and the reviews on its listing describe electrical jobs rather than panel installs
Reputation scorecardrank in St. Louis
Rating4.9 / 5
Review volume159 · 97th
Confidencemoderate
Recency3 weeks ago
Info completenesssite · phone · hours
Rating breakdown97% 5-star
✓ VerifiedSource: Google

Our take: A good fit if you want one licensed electrician to handle panel upgrades and wiring alongside a solar and battery project.

2743 Hereford St, St. Louis, MO 63139

StraightUp Solar logo
#2🕑 Open 5 days/wk↩ Responds to reviews

StraightUp Solar

4.9157 Google reviews

StraightUp Solar is a solar company based in Olivette that installs residential and commercial systems in Missouri and Illinois. Its site lists battery storage, smart panels, inverters, EV chargers and a service department, and it says it has installed more than 3,200 systems since 2006. Google lists it as a solar energy company and system service.

What people praise

  • One reviewer with panels installed in 2019 reports steady output and strong electronic reporting
  • A reviewer with panels on an office praises the installation, follow-up and monitoring that flags issues
  • One reviewer's older array stopped registering on the app, and the team researched and fixed it
  • A reviewer who collected three bids calls the company competitive and says its concierge team stood out

Worth knowing

  • One reviewer describes a deposit dispute after a project was scaled back, and the company's reply says it has no record of that contact
Reputation scorecardrank in St. Louis
Rating4.9 / 5
Review volume157 · 92nd
Confidencemoderate
Recency4 months ago
Info completenesssite · phone · hours
Rating breakdown94% 5-star
✓ VerifiedSource: Google

Our take: A dedicated installer with a service department that reviewers say follows up after the install.

10601 Trenton Ave, St. Louis, MO 63132

ECOcentrix logo
#3🕑 Open 5 days/wk↩ Responds to reviews

ECOcentrix

5.061 Google reviews

ECOcentrix is a St. Louis company on Delmar Boulevard that Google lists as a solar energy company, roofing contractor and construction company, with EV charging also listed. Its customers describe solar installs, roof work tied to an insurance claim, and home energy assessments that cover insulation. The business is open weekdays from 9 AM to 6 PM on Google.

What people praise

  • One reviewer says the process took close to a month, as explained, and nothing felt rushed
  • A reviewer received a detailed assessment with practical suggestions and a sense of what to fix first
  • A customer who did roofing and solar together says the team handled an insurance claim professionally
  • Reviewers say staff answered calls and texts and explained each step

Worth knowing

  • Roofing and energy assessments sit next to solar in what it does
Reputation scorecardrank in St. Louis
Rating5 / 5
Review volume61 · 86th
Confidenceearly
Recency4 weeks ago
Info completenesssite · phone · hours
Rating breakdown100% 5-star
✓ VerifiedSource: Google

Our take: A perfect 5.0 across more than 60 reviews. It suits a homeowner who wants solar tied to a roof or an efficiency check.

2612 Delmar Blvd, St. Louis, MO 63103

Astrawatt Solar logo
#4🕑 Open 6 days/wk↩ Responds to reviews

Astrawatt Solar

4.548 Google reviews

Astrawatt Solar is a solar energy company with an Olivette address, open Monday to Saturday from 7 AM to 7 PM on Google. Its customers describe consultations, system installs, help with financing, and coordination with the utility and city on permits and inspections. One reviewer describes a 10 kW home system.

What people praise

  • One reviewer calls the consultation honest rather than a scripted sales pitch
  • A reviewer says the team told them early about an equipment delivery delay
  • One customer says the team coordinated permitting and inspection with the utility and the city, and walked them through financing
  • A reviewer reports the crew came back to fix a minor roof leak after the install

Worth knowing

  • Two reviewers report trouble with a refund or with warranty service
Reputation scorecardrank in St. Louis
Rating4.5 / 5
Review volume48 · 81st
Confidenceearly
Recency6 months ago
Info completenesssite · phone · hours
Rating breakdown88% 5-star
✓ VerifiedSource: Google

Our take: Customers praise the sales and install process. Two one-star reviews describe refund and warranty problems.

9647 Dielman Rock Island Industrl Dr, Olivette, MO 63132

5

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What the scorecard measures

Rating is each business’s Google star average. Review volume shows how many customers have rated it, so a 4.9 from 150 people carries more weight than a 5.0 from a handful. Confidence combines the two, and recency reflects whether customers are still leaving reviews.

What shapes solar panel pricing in St. Louis?

Solar quotes depend on system size, roof condition and layout, whether a battery is included, any electrical panel work, and how the company handles permits and utility hookup. Ask each company for an itemized written quote so the numbers can be compared line by line.

Where these installers work

Brda Electric and ECOcentrix have St. Louis addresses, and Brda’s site says its solar work reaches homes and businesses across Missouri and Southern Illinois. StraightUp Solar and Astrawatt Solar are based in Olivette. Looking for solar panels near me? Each listing shows a phone number and a map link.

Questions to put to a solar installer

  • Can you show me solar systems you have completed?
  • What is the refund policy on my deposit if the project changes size or can’t go ahead?
  • Who services the system and honors the warranty after installation, and how do I reach them?
  • Do you handle the utility and city permits and inspections?
  • Is the quote itemized, with panel work and any battery priced separately?

Frequently asked questions

Do I need a solar company or an electrician for panels in St. Louis?

This page includes both kinds. Brda Electric is an electrician that also installs solar, while StraightUp Solar, ECOcentrix and Astrawatt Solar are listed on Google as solar energy companies, and ECOcentrix also does roofing. An electrician can suit a job that includes panel upgrades or wiring.

Who handles the utility paperwork on a St. Louis solar install?

It varies by company, so ask. One Astrawatt customer says the team coordinated permitting and inspection with the utility and the city, and an ECOcentrix customer describes an Ameren technician inspecting the system before start-up. Brda Electric’s site says its solar service runs from design and permits to utility interconnection.

Do any of these companies install battery storage?

Brda Electric’s site lists battery storage and Powerwall installation, and StraightUp Solar’s site lists battery storage, smart panels and inverters. Ask the others whether a battery can be added to your quote.

Can one company do my roof and my solar panels?

ECOcentrix lists roofing and solar, and one customer describes using it for both, including an insurance claim on the roof. If your roof is near the end of its life, a combined quote is worth requesting.

Before you sign

Brda Electric suits a project that mixes electrical upgrades with solar, StraightUp Solar suits a dedicated install, and ECOcentrix suits solar tied to roofing. Whichever you pick, get the deposit refund terms and the warranty in writing.

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