The Association of Municipalities Polish Network "Energie Cités" (PNEC) is a non-profit organization established in 1994 that supports Polish towns, cities, and districts in developing energy efficiency and renewable energy policies. As the official Supporter of the Covenant of Mayors since 2009, PNEC helps its members and other Polish municipalities meet Covenant commitments by providing expertise, assistance with developing Sustainable Energy Action Plans, and involvement in numerous European projects focused on climate protection and energy savings. PNEC has implemented over 50 national and international projects, organized hundreds of events, and published educational materials to advance its mission of promoting local energy policies and sustainable energy practices among Polish local governments.