City of Bydgoszcz Riga Energy Agency (REA) Tartu Regional Energy Agency (TREA) Kaunas University of Technology (KTU) National Trust EcoFund (NTEF) PNEC – Association of Municipalities Polish Network „Energie Cités“ adelphi research gGmbH Foundation Center for Energy Efficiency EnEffect DUET – Nachhaltiges Energiemanagement in den Städten Kommunales Energiemanagement für nachhaltige Klimafinanzierung