South Carolina Solar Installation Pros
Ready to go to work for you! Our qualifications and experience in the industry give us the edge over other Charleston, South Carolina and Southeastern alternative energy providers. With Alder Energy Systems, you’re speaking with professionals who know solar energy and how best to make it work for your application. Give us a call today to discover what solar energy options can work for you.
Experience, Expertise & Dedication
Even if you skim our career summaries, you’ll find that we’re well-versed in both the theory and practice behind alternative energy solutions, such as solar PV and solar thermal systems. We’ve dedicated years to honing our craft and are committed to using our background and knowledge to bring our clients world class solutions.
Professionalism
We’re not just general contractors who happen to offer solar panel installation. Our services adhere to the highest of industry standards, and we’re affiliated with top associations and organizations in our field including:
- South Carolina Solar Business Alliance
- South Carolina Solar Council
- Solar Energy Industries Association
- North American Board of Certified Energy Practitioners
Our participation as thought leaders in our field keeps us on the cutting edge when it comes to delivering alternative energy solutions.
Proven Results
Alder Energy Systems’ growing portfolio of projects speaks to our status as the go-to alternative energy provider in Charleston, South Carolina and throughout the region.
Meet the Team

Don Zimmerman
President, NABCEP
Don is a seasoned technology veteran who has worked in the photonics industry for over twenty-four years. He worked for AT&T Bell Labs designing fiber optic systems. Don co-founded and managed the R&D for the optical amplifier division of JDS Uniphase. He started a consulting company, Light Systems Associates, and while working with AT&T Labs, developed his skills in solar energy systems engineering and design.
Don has been formally trained in PV systems by Solar Energy International (the leader in solar energy training). He holds a BS in Electrical Engineering from the University of Michigan, a MS in Optics from the University of Rochester, and a MBA from Columbia University. He holds seven patents and actively contributes to the solar energy research and development community. He is a certified solar PV installer by the North American Board of Energy Practitioners (NABCEP).

Craig Knowlton
Vice President
Prior to joining Alder Energy Systems in early 2014, Craig Knowlton worked as the Inside Sales Manager at RGS Energy, a nationwide solar integrator based in Louisville, CO. After three years living along the Rocky Mountains, he returned to sunny Charleston with his family, committed to providing economically and environmentally sustainable electricity solutions across South Carolina. Craig’s experience extends beyond alternative energy, having worked as Educational Sales Manager for Sylvan Dell Publishing in Mount Pleasant and as an Adjunct Professor at College of Charleston and Trident Technical College.
Craig holds a MA in English from College of Charleston & The Citadel as well as a BA from Kenyon College.

Jarrett Branham
Vice President of Operations
Jarrett oversees the EPC and construction operations for Alder Energy Systems. As a twenty-year veteran of the construction contracting industry, Jarrett has participated in a diverse portfolio of projects. He holds his general contracting license, and is certified by CMAA (accredited by ANSI) as a Certified Construction Manager (CCM). Over his career, Jarrett has helped lead projects in commercial, industrial, and energy generation.
Jarrett began working on energy generation projects as an employee with SCE&G. Prior to joining Alder Energy, he was responsible for planning and delivering over 30 MW of commercial and utility community solar projects. As a Project Director, Jarrett was responsible for multiple capital project portfolio.
Along with his extensive construction and renewable experience, Jarrett sits on the board of the SC Solar Business Alliance, is a member of the South Carolina Wildlife Federation and coached Girls on the Run.

Jonas Altmaier
Installation Manager

Lorraine Bergman
Director of Development

Josh Burrill
Director of Commercial Sales

Jeep Ford
Director of Commercial Sales

Sharon Foxworthy
Solar Site Analyst

Wendy Johnson
Accounting & Office Coordinator

Jorge de la Morena
PV Engineering Manager

Benny Mosiman
Director of Residential Sales, NABCEP
Are you ready to go solar with Alder Energy? We make solar simple. Get started today!
Alder Energy Solar provides turnkey alternative energy solutions throughout the Southeast for both solar farm and commercial applications.
Office Details
495 Jessen Lane
Charleston, SC 29492
(843) 388-5493
info@alder-energy.com
Helpful Links
Business Hours
Monday | 9am - 6pm |
---|---|
Tuesday | 9am - 6pm |
Wednesday | 9am - 6pm |
Thursday | 9am - 6pm |
Friday | 9am - 5pm |
Saturday | Closed |
Sunday | Closed |
Latest Projects
Old Court Road and Dogwood Road Community Solar FarmNovember 25, 2019 - 2:31 pm
Ross Printing | North Charleston, SCMarch 19, 2019 - 12:49 pm
Mr. Suds Car Wash – 5 Columbia, SC LocationsOctober 24, 2018 - 11:18 am
Jamison Solar Farm: Utility Scale Solar Project – Orangeburg, SCAugust 30, 2018 - 10:42 am
Blackbaud Headquarters | Daniel Island, SCJune 25, 2018 - 3:57 pm