Home Sitemap Imprint Systeme GmbH has since become an internationally acclaimed  expert for solutions in energy-infrastructure. The "bumblebees" welcome you to their website!  HummelEnergie Systeme GmbH is an ambitious enterprise in the  future market of renewable energies.  We use innovative combined  heat and power technologies to generate electric and thermal energy from renewable resources, while being efficient and environmentally  friendly at the same time. Since 2004, and in order to make this  work, the founding team put relentless efforts into the research,  construction, setup and testing and had to do a lot of convincing.  And it was worth it. In the winter of 2008, the company celebrated its  first milestone:  The commissioning of the world's first base-loadable, biogenic cogeneration plant. The company has grown since and, as manufacturer and operator of cogeneration plants, we provide all the involved services and  products ranging from consulting, setup, operation or maintenance  services. Due to the revolutionary technology HummelEnergie