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StraightUp Solar

Certified B Corp solar installer serving St. Louis since 2006, with over 3,000 systems installed and NABCEP-certified team

St. Louis, Missouri
4.7 (150 reviews)
Verified
Residential Commercial

20+

Years in Business

3,000+

Projects Completed

150

Customer Reviews

99 mi

Service Area

51-200

Employees

SurgePV Score

9.5 / 10
Customer Reviews
94%
Certifications
90%
Experience
100%
Services Range
100%
Warranty Coverage
80%
Online Presence
100%

About StraightUp Solar

StraightUp Solar is one of the longest-running solar installation companies in the St. Louis metro area. Founded in 2006, the company has designed and installed more than 3,000 solar panel arrays across Missouri and Illinois. StraightUp Solar is a Certified B Corporation and holds a BBB A+ rating, with nearly half of its team holding NABCEP certifications. The company handles residential and commercial projects of all sizes, from small rooftop systems to large ground-mounted arrays.

The company installs panels from manufacturers including Silfab and REC, paired with Enphase microinverters and battery storage options from Tesla Powerwall and Enphase IQ. StraightUp Solar also installs SPAN smart electrical panels. The team manages every phase of the project in-house, including design, engineering, permitting, installation, and interconnection with the local utility.

StraightUp Solar operates from its office at 11696 Lilburn Park Road in Maryland Heights, serving the greater St. Louis region, St. Charles County, and communities across the Mississippi River in Southern Illinois. The company provides free solar assessments, ongoing system monitoring, and maintenance services for existing installations regardless of the original installer.

Service Area

StraightUp Solar serves the following areas within a 99-mile radius:

St. LouisMaryland HeightsSt. CharlesChesterfieldEdwardsvilleBellevilleColumbia

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Services Offered

Solar Installation
Battery Storage
Maintenance
Monitoring
Solar Design
Energy Audit
Grid Connection

Certifications & Accreditations

NABCEP Certified B Corp BBB A+

Partner Manufacturers

Panels

SilfabREC

Inverters

Enphase

Batteries

Tesla PowerwallEnphase IQ Battery

Warranty Coverage

Panel Warranty

25 years

Inverter Warranty

25 years

Installation Warranty

10 years

What to Expect: Solar Installation Process

1

Initial Consultation

Free site survey and system design

2

Quote & Design

Detailed proposal with costs and savings

3

Installation

Panels, inverter, and wiring (1-3 days)

4

Inspection

City inspection and utility interconnection approval

5

Go Live

Utility grants PTO, system goes live

Customer Reviews

4.7

150 reviews

James W.

14 September 2025
Verified Customer

StraightUp Solar handled every step of our installation professionally. From the initial site assessment to final inspection, communication was excellent. Our 9.6 kW system is producing exactly what they estimated.

Linda M.

22 June 2025
Verified Customer

We got quotes from four companies and StraightUp came in with the best price. The crew finished in one day and left our property spotless. Our electric bill went from $180 to under $30.

Robert C.

10 March 2025
Verified Customer

Good company with knowledgeable staff. The permitting process took a bit longer than expected due to our municipality, but StraightUp kept us informed at every stage. System has been running flawlessly for six months.

Frequently Asked Questions About StraightUp Solar

What services does StraightUp Solar offer?

StraightUp Solar offers Solar Installation, Battery Storage, Maintenance, Monitoring, Solar Design, Energy Audit, Grid Connection.

Is StraightUp Solar NABCEP certified?

Yes, StraightUp Solar is NABCEP certified and also holds Certified B Corp, BBB A+ certifications. NABCEP certification is the gold standard for solar professionals in the United States.

What areas does StraightUp Solar serve?

StraightUp Solar serves St. Louis, Maryland Heights, St. Charles, Chesterfield, Edwardsville, Belleville, Columbia. They are based in St. Louis with a service radius of 160 km.

What warranty does StraightUp Solar offer?

StraightUp Solar offers 25-year panel warranty, 25-year inverter warranty, and 10-year installation/workmanship warranty.

How are StraightUp Solar's customer reviews?

StraightUp Solar has a 4.7/5 rating based on 150 customer reviews. Customers consistently rate them highly.

How long has StraightUp Solar been in business?

StraightUp Solar was founded in 2006 and has been in business for 20 years. They are one of the more experienced solar installers in their area.

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