dieEnergiekoppler provides the technology “Flexibilitätswerk” for creating regional energy cells combining the sectors electricity, heat and mobility, with renewable energy sources and communicative connected devices like heat pumps, fuel cells and e-cars to a swarm (40% less integration effort of devices by decentral intelligence and high automation level). EK makes flexibility of small energy systems useable for regional balancing (grid-stabilization and supply guarantee) and trading (20% additional revenues).