Philly Street Light Improvement Project

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The Philadelphia Streetlight Improvement Project (PSIP) is a three year undertaking and Philadelphia’s largest energy conservation project. The Philadelphia Streetlight Improvement Project (PSIP) will convert 120,000 high pressure sodium streetlights into a network of more efficient, longer-lasting LED lights. By upgrading to higher performing streetlights with a new lighting management system (LMS), residents will benefit from better visibility and faster lighting replacement times. The project has the potential to cut more municipal carbon emissions than any other energy efficiency project, making it a key strategy in the City’s Municipal Energy Master Plan.


  • Replace 120,000+ high pressure sodium streetlights with LED streetlights
  • Link all newly- and already-converted (10,000+) LED streetlights to a lighting management system
  • Audit to include cobraheads (roadway), alleyway, and decorative (residential and commercial corridor) lighting


  • Supports public safety
  • Enhances visibility to improve safety for pedestrians, bicyclists, and motorists (Vision Zero Alignment)
  • Advances the City’s goals for carbon and electricity use reduction as the largest municipal energy conservation project to date
  • Adds remotely controlled lighting and outage monitoring that will create operational efficiencies for Streets
  • Provides a communications network for future Smart City applications
  • Supports local, diverse businesses and individuals through an Economic Opportunity Plan and a workforce development agreement
  • Pays for itself through energy savings