St. Gallisch Appenzellische Kraftwerke AG (SAK) headquartered in St. Gallen is a utility company located in the eastern part of Switzerland. SAK supplies and connects people and companies with sustainable energy and data based on secure, future oriented infrastructures. With around 400 employees, SAK covers the entire value chain: from energy procurement, planning, construction, operation and maintenance of grids and plants to financing solutions, sales, and invoicing.
SAK’s business areas include electricity generation, electricity and heat supply, a modern fiber optic network, high performance Internet, telephone, TV and mobile services as well as smart health and emergency call systems under the name VitaLink. In the field of energy solutions, SAK offers a 360 offering that includes net zero consulting services for CO ₂ reduction as well as customized and environmentally friendly solutions in the areas of e mobility, photovoltaics, heating and building technology.