For over 50 years, Willdan has delivered industry-leading energy and engineering solutions that have transformed government and commerce – having implemented over 70 utility programs and served 130,000 small business, healthcare, hospitality, and education customers nationwide. Today, we are leading our clients into a future accelerated by change in resources, infrastructure, and technology.

Willdan is a nationwide authority in energy efficiency. We have delivered over 250,000 energy-saving projects, saving approximately 6,000 GWh and 77 million therms and securing more than $1 billion in utility incentives and rebates for our clients. We understand your facility and energy needs, and we can help you become a cleaner, more sustainable organization while saving money.

We deliver every aspect of an energy efficiency project: pre-project Analysis, Design, Construction Management, System Optimization, and Inspection. Our industry-leading software B3 Benchmarking and NEO identify potential energy savings and the most cost-effective path to your sustainability goals. NEO provides real-time energy modeling for more than 100 utilities.

Willdan has administered over 70 energy efficiency programs for utilities, campuses,and government or public-sector organizations. We provide comprehensive program design, administration, and delivery, resulting in energy savings, improved grid resiliency, and greenhouse gas emission reductions.