Martin Eschle

AEK Energie AG supplies energy and operates a local distribution network. It offers customized contracting, wood pellets and electrical installations. The firm also provides consulting services on the topic of saving energy, which focuses on electricity, heating and cooling. The company was founded in 1894 and is headquartered in Solothurn, Switzerland.

Nant de Drance SA constructs and operates hydropower and pumped storage plants. The firm also provides repair and maintenance services. The company is headquartered in Martigny, Switzerland.

Grande Dixence SA produces and supplies electrical power. The firm owns the hydroelectric facility at Grande Dixence from which it produces and supplies electricity. The Company was founded in 1950 and is headquartered in Sion, Switzerland.