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SolFarm Solar Co.

We offer personal service with owner/installer care. All of our systems are designed to our customers' unique needs. We promise an excellent experience from start to finish.
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SolFarm Solar Co is a full-service solar energy company located in Asheville, NC and services the Southeastern United States. We offer consultation, system design and installation for solar photovoltaic energy systems. We are here to help you reach your sustainability goals for residential and commercial solar energy.

SolFarm was founded in 2012 by Mike Diethelm, a former arborist. His connection to the natural world through tree work was part of the inspiration for the founding of this small solar company serving the Asheville area.

Sol-Farm strives to give back to the community by providing living-wage jobs. The company also collaborates on installation training programs with organizations such as Green Opportunities whose mission is to help underserved community members to be more self-reliant and empowered.
Year Established
Phone Number
Reasons Why You Should Work With Us
  1. SolFarm is a LOCAL living wage certified company... We care about (y)our community.

  2. 5-star ratings across multiple platforms demonstrate Sol-Farm's impeccable level of customer satisfaction

  3. You will have one point of contact throughout the consultation process.

We speak


Services Offered

  • Installation
  • Electrical Contracting
  • General Contracting
  • Solar Repair & Maintenance

Associated product manufacturers

Associated installers

Workmanship Warranty

The solar equipment we install has warranties from 10 to 30 years. We have a 5 year workmanship warranty.


NC Electrical Contractors License #30887-Unl
NC General Contractors License #75257 - Unl
SC Electrical Contractors License
SC General Contractors License


General Liability, Worker's Compensation


NABCEP Certified PV Installers

Industry Certifications

Manufacturer Certifications

  • Sungage Financial Certified Partner

What Customers Are Saying

6 reviews
Average Rating 6 review(s)
Leave a Review
Easy to work with

SolFarm was super easy to work with, answered all my questions, and made me feel super comfortable with what is admittedly a significant purchase. I ended up referring them to our neighbors and now they're also sporting solar panels on their roof. Since getting the panels installed, our energy bills have been $16 a month-- just the cost of the connection and maintenance fees. We haven't paid for electricity in months! Would definitely recommend!

Posted by danielle.arostegui on Jan 23, 2023
Better than expected!

We interviewed several companies before deciding on SolFarm and they were the only ones that didn't play games with us on pricing. The workers were respectful and pleasant and did a very clean installation. They didn't promise that our configuration would cover all of our energy needs, but it has actually worked out that way - underpromised and overdelivered...

Posted by daberkey on Sep 20, 2022
Great service!

The professionals at SolFarm did an excellent job with the installation of our solar panel system. They took the time to explain the entire process and answer all questions we had. We are very happy with the quality of the work and their professionalism. We highly recommend them to anyone that is looking to save money on their energy bill. Thank you SolFarm! Rafael and Selena J.

Posted by rj823 on Jul 27, 2021
Excellent attention to requirements

Adam Motar of SolarFarm provided top notch consultation and information. His quote was very competitive, and SolarFarm was one of the finalists among the five quotes (four energysage+1) I received. Unfortunately, there can only be one winner.

Posted by jay on Mar 22, 2021
Ground mount installation

Mike was wonderful from start to finish. Worked with me on price to make the job affordable. He is very knowledgeable about solar, and also has electrical and tree skills, which came in handy. He and his crew were always polite and helpful. Made sure my online monitoring was working properly. The final result looks great. I can see how much energy I'm saving, and I can't wait for my next electric bill.

Posted by tedrisk on Oct 07, 2014
Residential Rooftop 4.64 KWh

Mike at Sol Farm did one heck of a job with our dream project. He took the time necessary to source quality products at a discount rate. As a result, his bid came in at about 70% of the competition's. Once the products were received, he and his crew provided a seamless and efficient installation of our system. He was prompt and courteous. He was able to answer all of my many questions. Now I am proud to say that none of our money goes to Duke Power. The only money we spend goes to Haywood EMC for service charges. The next step will be a battery bank!

Posted by mtnfir on Oct 06, 2014



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