The Sisslerfeld, between Stein, Sisseln, Münchwilen, and Eiken, is becoming a strategic national electricity supply pillar. The Swiss Federal Office of Energy (Bundesamt für Energie) confirmed the capacities of two reserve plants from GETEC.

The two plants have a total capacity of 57 megawatts and will be built within the next three years. "This way, we are making an important contribution to supply security without neglecting climate protection," says Urs Zimmerli, CEO of GETEC Switzerland. "Our plants are based on proven technology, are sustainable and reliable."

New reserve plants are necessary as the existing federal contracts expire in 2026. "We are providing an eighth of the 400 megawatts of total electrical output put out to tender," emphasizes Zimmerli. Hydrogenated vegetable oil (HVO) is the primary fuel, a renewable source that reduces CO₂ emissions by 90% compared to fossil fuels.

HVO is obtained from biogenic residues such as food fats, leftovers, and animal waste. The supply is secured from European production, where 16.8 billion liters of HVO were produced last year. HVO is already available at filling stations in neighboring countries, such as Austria and Italy. The quantities of HVO produced in Europe are proven to come from sustainable sources.

The existing infrastructure at GETEC PARK.STEIN is optimally utilized. This reduces the use of resources compared to new buildings on greenfield sites. The project supports the park's ecosystem: it increases the attractiveness for new customers and ensures greater supply security.

GETEC sets high standards for noise: During operation, the noise level corresponds to an everyday conversation between two people. The planned noise protection measures ensure that the noise level falls below the strict standard values.

The locations are close to the central power grid hub near Laufenburg, indicating that the electrical power required in an emergency can be optimally fed in and distributed. The HVO systems can also start up and produce electricity flexibly in the event of a complete grid failure. Thanks to their modular design, they are fail-safe and expandable.

If necessary, Swissgrid can start the reserve systems using an instant signal. Even if the systems are only to be operated in an absolutely exceptional case to avert a nationwide blackout, the project is subject to the standard approval procedure, including the criteria applicable to regular operation.

Commissioning of the plant in Eiken is planned for the beginning of 2027, with the one in Stein following a year later.

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