Development, management and value chain management 

SRE-CleanEnergy was founded in 2004 as Stehmann AG-renewable energy by Rainer Stehmann based on 15 years experiance in management and as an entrepreneur.

The company has developed biomass plant projects and wind energy projects with highest efficiency , value and clean energy skills.  

SRE-CleanEnergy is as well consultat in the fields of investor and operational management consulting for renewable energy and has clients who belong to the most successful international players in the world.