Renewable energies Renewable heat SIEL-Territoire d’énergie Loire acts as the contracting authority for wood energy heating networks, solar thermal equipment and heat recovery systems. Renewable electricity SIEL-Territoire d’énergie Loire acts as the contracting authority for photovoltaic power stations or micro-hydroelectric equipment. Presentation of SIEL-TE42 ELENA is co-financed by European Union (InvestUE). Sem'Soleil is a semi-public enterprise whose goal is to facilitate and support renewable energy initiatives In 2010, SIEL-Territoire d’énergie Loire set up a "Société d'économie mixte Sem'Soleil" to handle renewable energy projects (photovoltaic, methane projects, wind power) in collaboration with different partners. SIEL-Territoire d’énergie Loire owns 80% of the capital in SEM’SOLEIL..