|Description=CEN is an independent, non-profit service-oriented, policy, research and implementation organisation focusing on research-based education and advocacy campaigns with policy inputs and implementation on issues related to sustainable energy use and environmental conservation. (website) | |Description=CEN is an independent, non-profit service-oriented, policy, research and implementation organisation focusing on research-based education and advocacy campaigns with policy inputs and implementation on issues related to sustainable energy use and environmental conservation. (website) |