Energy Suppliers in the
Canton of Appenzell Outer Rhodes

Wasserkraftwerk Gstaldenbach AG

Since 2018 · 1–10 empl.

Wasserkraftwerk Gstaldenbach AG operates a hydropower plant on the Gstaldenbach and is part of the energy activities of Elektrizitätswerk Heiden AG. The website describes electricity generation from hydropower and its role within the company’s energy and network operations.

Fernwärme Heiden GmbH

Since 2000 · 11–20 empl.

The core activity of Fernwärme Heiden GmbH is the generation and provision of district heating through the use of regional resources such as wood from surrounding forests and waste heat from industrial plants to heat buildings.

peac GmbH - professional energy and consulting

Since 2012 · 1–10 empl.

The core activity of peac GmbH is independent energy brokerage and consulting for Swiss industrial and commercial customers. The company pools the consumption volumes of its customers to achieve strategic improvements in conditions for all pool partners through the growing size of the pool, thereby sustainably reducing energy costs.

CAROTED AG

Since 2021 · 1–10 empl.

CAROTED AG develops and operates processes and plants to prevent and neutralize greenhouse gas emissions, including emissions-free drying, ammonia removal and CO₂ capture for sewage sludge treatment and thermal coal processing. The company provides engineering, plant construction and advisory services for large industrial emitters and reports a portfolio of over 160 patents and involvement in more than 600 plants.

Kleinkraftwerk Saien AG

Since 1993 · 1–10 empl.

Wärmeverbund Bad Unterrechstein GmbH

Since 2003 · 1–10 empl.

Wärmeverbund Urnäsch AG

Since 2006 · 1–10 empl.

dezmE Lucretia Widmer

Since 2011 · 1–10 empl.

St. Gallisch-Appenzellische Kraftwerke AG

Since 2020 · 1–10 empl.

Gäsä GmbH

Since 2023 · 1–10 empl.

EcoPowerSwiss AG

Since 2023 · 1–10 empl.

energiepark teufen ag

Since 2025 · 1–10 empl.