 The project was recommended to the members of the California League of Cities  and the California State Association of Counties.Created in 2014, the Pennsylvania Sustainable Energy Finance Program (PennSEF) is a partnership between the Pennsylvania Treasury Department and FREE with financial start-up support from the West Penn Power Sustainable Energy Fund.In 2017, PennSEF organized its first financing pool, called the Regional Streetlight Procurement Project (RSLPP) and brought to PennSEF by the Delaware Valley Regional Planning Commission (DVRPC), the pool brings together 35 municipalities around the city of Philadelphia in order to replace and retrofit 28,000 exterior lights, street lights, and traffic signals.