Romande Energie Holding engages in the generation, distribution, and marketing of electricity. It operates through Marketing, Networks, Energy, and Energy Services segments. The Company generates its electricity through hydropower, solar, wind, and biomass plants. It also owns and manages distribution grids and natural-gas distribution pipelines, manages energy portfolios, designs and installs heat pumps, thermal solar, and PV solutions, as well as district heating, ventilation, air-conditioning, home automation, telecommunications, and IT solutions.