PORSENNA o.p.s. is a non-profit organization which provides services mainly to municipalities, regions and small enterprises. Porsenna cooperates closely with 9 smaller municipalities of the microregion Údolí Dolanského potoka and the town of Sušice. Porsenna will be involved in know-how transfer on public lighting, development of public lighting master plans in involved municipalities, analysis of potential energy savings in the area of energy-efficient public lighting systems , draft the guideline on energy efficient dynamic city lighting.