Global warming and climate change are critical issues facing the modern world. While globalization makes the world more inclusive, it wakes us to the necessities of energy and water conservation, innovative resource management, and sustainability. Willdan Energy Solutions, doing business as Intergy Corporation, is a specialized resource conservation firm which brings together over two decades of experience in the energy and information technology fields. We provide innovative and effective solutions for energy efficiency, water conservation, and renewable generation to a rapidly growing list of clients.

Founded in 2003 by two Northern California entrepreneurs, Intergy in June 2008 became known as Willdan Energy Solutions, a division of Willdan, a full-service, multi-disciplinary California corporation that has specialized in consulting, engineering and planning services for governmental agencies for more than 40 years.

Our clients include public agencies and private companies from small businesses to large investor-owned utility companies, and include cities, counties, schools and colleges. They appreciate our ability to provide strategic planning, efficient energy management and creative IT solutions that support operational goals and long-term growth.

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