800.424.9144 www.willdan.com Project Value: $ 3,800,000 Annual Savings: Annual Maintenance Savings: $ 50,000 Goals and Challenges The City of Elk Grove, California, had approximately 10,000 high-pressure sodium street lights located throughout the City. These lights, spread across areas that included residential neighborhoods, commercial areas, and heavily traveled thoroughfares led to high electric costs, heavy maintenance needs, and low-quality light throughout the City. Seeking to reduce costs and improve lighting, the City turned to Willdan to design and manage the installation of a lighting-system upgrade. Solutions and Results Willdan developed a comprehensive street lighting system upgrade to transition all of the existing high-pressure sodium lights to light emitting diodes

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