Solar 1 USA

Name: Solar 1 USA
Address: Knoxville, Tennessee, 37923, US
Telephone: 8654165400
Rating: 3.5

Knoxville, Tennessee · Solar Installation

Residential

7+ yrs

Experience

8 reviews

3.5 avg rating

120 km

Service radius

2-10

Employees

Get a Free Quote Call 8654165400 Visit Website

3.5

8 reviews

Est. 2019

SurgePV Score

5.8 / 10

Customer Reviews 70%

Certifications 25%

Experience 47%

Services Range 40%

Warranty Coverage 100%

Online Presence 100%

About Solar 1 USA

Veteran-owned NABCEP-certified solar and battery storage installer serving residential customers across East Tennessee

Knoxville, Tennessee 37923

Services Offered

Solar Installation Battery Storage

Certifications

NABCEP

Partner Manufacturers

Inverters

Sol-Ark

Batteries

Fortress PowerFranklin Power

Warranty Coverage

25yr

Panel Warranty

12yr

Inverter Warranty

10yr

Installation Warranty

Installation Process

Initial Consultation

Free site assessment and energy needs analysis

System Design

Custom solar design tailored to your property and budget

Permitting & Approval

All paperwork and utility interconnection handled

Installation

Professional installation by certified technicians

Commissioning & Handover

System testing, monitoring setup, and warranty registration

Service Areas

Knoxville, Tennessee Maryville, Tennessee Sevierville, Tennessee Oak Ridge, Tennessee Lenoir City, Tennessee Chattanooga, Tennessee

Customer Reviews

3.5

8 reviews

Verified Customer Verified

Aug 15, 2025

Solar 1 USA provided a professional installation from start to finish. The veteran-owned team was thorough and answered all our questions about the Sol-Ark inverter system.

Verified Customer Verified

May 20, 2025

Good experience overall. The team handled everything in-house without outsourcing. Appreciated the veteran-owned business commitment to quality.

Verified Customer Verified

Feb 10, 2025

Decent installation but communication could be improved. The system is producing well and the battery backup has been useful during power outages.

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Frequently Asked Questions

How do I get a quote from Solar 1 USA?

You can request a free quote by filling out the form on this page or contacting Solar 1 USA directly via phone or email. Most installers provide a free initial consultation and site assessment.

What areas does Solar 1 USA serve?

Solar 1 USA is based in Knoxville and serves within a 120 km radius. Check the Service Areas section above for a complete list of locations.

What certifications does Solar 1 USA hold?

Solar 1 USA holds the following certifications: NABCEP. These certifications ensure compliance with industry standards and local regulations.

What warranty does Solar 1 USA offer?

Solar 1 USA offers 25-year panel warranty, 10-year installation workmanship warranty. Specific terms may vary by product and project.

How long does installation take?

Most residential solar installations are completed within 1-3 days after permits are approved. The full timeline from consultation to activation typically ranges from 4-12 weeks depending on local permitting and utility interconnection processes.

Does Solar 1 USA handle permits and paperwork?

Yes, most solar installers including Solar 1 USA handle all necessary permits, utility interconnection applications, and incentive paperwork as part of their service. Confirm specific details during your consultation.