Locally Owned and Operated since 2007! CleanTech Energy Solutions, Inc. (CTES) has been a presence in the San Diego solar market since 2007--but our roots go back to 1984! We provide turn-key solutions to your energy needs. We handle every step of the way with an in-house team of passionate and hard working industry professionals. As a privately owned business, no job is too big or small, and every customer will receive the care and attention they need to achieve the energy savings they desire. We are committed to providing our clients with sensible alternative energy solutions. We work with you to design or update a system that fits your parameters and needs.