Jefferson Electric LLC provides full service design and installation of solar energy systems for your home, business, or church. Locally owned and operated in Indianapolis, IN, we want to earn your business and trust with our dedication to customer service and knowledgeable team members. Our team consists of NABCEP Certified Installers, a Master Electrician, Licensed General Contractor, and Factory Trained Technicians. We give continual attention to excellence in customer satisfaction while perpetually improving and adapting new technologies in every area of business and service.  

Joel Walsman - Chief Executive Officer 

Joel is a master electrician, and was trained by the North American Board of Certified Energy Practitioners (NABCEP). He has a passion for team building, and believes that work should be meaningful beyond the vocation. Joel has a continued interest in the advancement of green technologies, as well as a desire for sustainable relationships and business practices. He and Kristy, his lovely wife of ten years, have been blessed with four boys and two girls.


Admin Team

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Max Kennerk

Senior account manager


Max is certified by the North American Board of Certified Energy Practitioners (NABCEP) in technical sales. He enjoys delivering innovative energy solutions that allow customers to eliminate their utility bills, protect the environment, and increase their energy independence. He and his lovely wife live on the near eastside of Indianapolis with their three children and a Chinese foreign exchange student.

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Rob Walsman

Chief Financial Officer

Rob received a Bachelors in Computer Science from Purdue University, and has worked in various technical fields from long-haul fiber tele-communications to airborne systems. He has been married for 37 years, has 6 grown children, and 16 grandchildren (so far).

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Adriane Kattner

Office Manager

Adriane is responsible for human resources, permitting, and company administration at Jefferson Electric. He has a background in small business administration, with a particular emphasis in privacy and confidentiality. He enjoys reading history, and he and his wonderful wife, Jamie, are pet-parents two ever-needy cats.


Operations Team

Doug Elliott

Operations Manager

Doug counts it a joy to be working with the team of Jefferson Electric where the character of the person is more important than the skills they possess and the customers are taken care of as if they were a part of the Jefferson family. He and his wonderful wife have five children and have been married for 20 years.

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Ryan Staley

Journeyman Electrician


Ryan is a licensed Journyman electrician and a North American Board of Certified Energy Practitioners (NABCEP) PV Installation Professional. Ryan enjoys the challenge and complexity of the electrical field, and organizing projects to be as fluid and efficient as possible. Above all, he strives to be the best employee, coworker, father, and husband he can be. He has two beautiful, spunky girls aged 4 and 2, and a wonderful wife of 5 years.

Sean Staley



Sean is a North American Board of Certified Energy Practitioners (NABCEP) PV Installation Professional. Sean enjoys providing for his family, working with his hands, and the challenge of leading projects. He likes to figure out how a project can be streamlined so that it is executed quickly and effectively. He met his wife while he was working on his masters degree in Germany, and their three children speak both English and German.

Matt Chafey



Matt is a North American Board of Certified Energy Practitioners (NABCEP) PV Installation Professional. He acquired extensive construction experience in his previous work on high-end remodels. As an electrician, he finds the most satisfaction in problem solving to best meet the customer’s needs. He and his wife have one son and have lived on the east side in Irvington for 14 years.

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Andy Spohr



Andy is a North American Board of Certified Energy Practitioners (NABCEP) PV Installation Professional, and is Jefferson Electric's formal safety officer. He and his wife have been married for 14 years, and have 2 children.

Jeremiah Kolterman


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Lucas Spencer


Lucas has found his vocation in electrical and solar work, and loves working at Jefferson Electric. He is the middle child with four siblings from a tight knit Christian family.


Chris Jones


Chris is in his first years at the ABC trade school. He loves the process of building something with his own hands and seeing the finished product. He finds that electrical work comes with its own unique challenges, but that it never feels like hard work. He and his wife, Sarah, have a beautiful daughter named Harper.


Cliff Spangler


Cliff has completed two years at the ABC Trade School and enjoys working and learning with fellow Christians. He loves that his job allows for continual learning and he doesn’t go a week without learning something new.

Bruce Carpenter


Bruce loves being able to work with other Christian brothers and to be able to work at a different place each day.


Zach Elliott


Zach is a student at ABC Trade School and enjoys working with his hands, problem solving, and working alongside humble, Godly men. He is the oldest of five children and is delighted that he gets to work with his father here at Jefferson Electric.

Drew Jackson


Drew is a student at the ABC Trade School, a certified lift operator, and graduate of OSHA 10hr course. He enjoys making electrical systems that are both practical and aesthetically pleasing, and is the oldest of five children.


Jacob Carter


Jacob is the newest addition to the Jefferson Family. Jacob has a love for gaming, and is an avid fan of the Star Wars movie series.


Warehouse Team

Seth Musen

Warehouse Manager

Seth has 18 years of warehouse experience, and effortlessly runs the Jefferson warehouse. He has been married to Cyrstal for 21 years and they have 5 daughters - Julia, Cadence, Emma, Vega, and Elsa.

“And whatever you do, whether in word or deed, do it all in the name of the Lord Jesus, giving thanks to God the Father through him.” Col. 3:17

Jamie Kattner

Warehouse Assistant

Jamie turns piles of disarray into well organized, usable space bringing calm out of chaos. She aides the technicians by running to pick up supplies, finding better organizational systems for the warehouse, and keeping the warehouse tidy. Her tiny family consists of her husband, Adriane, and their semi-fat cat, Marble.

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Richard Crum

Warehouse assistant

Richard loves what he does at Jefferson. He believes in what Jefferson does, and likes helping others come out ahead with solar energy. He and his wife, Elizabeth, have one son named Leo.