The City of Palo Alto’s Climate Protection Plan provided the impetus for the City to launch its light emitting diode (LED) streetlight demonstration program. Given that LED streetlights can be 40-50% more efficient than high pressure sodium (HPS) streetlights currently in use, they hold the potential to reduce operating costs and achieve significant greenhouse gas reductions. As LED streetlights are a new technology (not to be confused with LED traffic signals) and new products are coming out on a regular basis, it was important for the City to first test various models of streetlights before committing to a larger scale transition to LED.

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