The Spark Cleantech Accelerator is a 12-week program that kicks off late August at the UT Research Park in Knoxville, Tennessee. The 2025 Spark Cleantech Accelerator will begin on Aug. 25, 2025 and end on Nov. 20, 2025. The program provides mentorship, connections, stipends, prototyping services, and business acceleration services to early stage cleantech entrepreneurs to help commercialize new innovations.

Photo Credit: Oak Ridge National Laboratory, U.S. Department of Energy
In our 12-week, in-person program, we offer:
- $15,000 Stipends to help defray travel/living costs and to support business and technical milestones
- Prototyping services through the University of Tennessee’s Center for Materials Processing,
- Mentoring and one-on-one support from our experts in business, market analysis and positioning, and IP/ patent strategy, product design, engineering, prototyping, testing, material selection, tooling design, and manufacturing,
- Connections with customers, investors, strategic partners, suppliers, and universities and national laboratories,
- Training Workshops and one-on-one support.
- Partnership opportunities with organizations such as the Tennessee Valley Authority, Oak Ridge National Lab, the University of Tennessee, the City of Knoxville, and members of the Tennessee Advanced Energy Business Council.