Hamilton Increases On-Site Power Generation to Record Levels

12.09.2025

The Domat/Ems site achieves a remarkable self-consumption rate of 89% – a milestone for sustainable industrial production in Switzerland.

The Domat/Ems site achieves a remarkable self-consumption rate of 89% – a milestone for sustainable industrial production in Switzerland.

Hamilton’s Domat/Ems site, winner of the Swiss Solar Prize 2024, is a compelling example of how modern industrial manufacturing can be efficient, climate-friendly, and resource-conscious. In 2024, Hamilton’s Swiss sites in Bonaduz and Domat/Ems generated approximately 1,309,09 kWh of CO2-free solar power – an impressive 89% of which was consumed directly on-site. The remainder was fed into the national power grid.


Self-Generated Power as a Pillar of Energy Supply

The installed photovoltaic capacity at the two Swiss sites totals 2.283 MWp. The PV systems are architecturally integrated, covering roofs and façades with south-, east-, and west-facing panels. The electricity generated supplies the production facilities and covers a significant portion of the sites’ total electricity needs.

To put it in perspective: the electricity generated in 2024 would be enough to power 468* electric vehicles for 10,000 km per year – entirely CO2-free.

*Based on a conservative estimate of an energy consumption of 28 kWh per 100 kilometers, the electricity produced by Hamilton could power a total of 468 electric vehicles to each travel a distance of 10,000 kilometers


Domat/Ems Sets New Standards in Production

The Domat/Ems site stands out in particular as the largest industrial building in Switzerland certified to the Minergie-P standard – with additional certification under Minergie-A. These standards represent the highest levels of energy efficiency and the maximum use of renewable energy sources. The ambitious goal: to generate more energy than is consumed.

This is already being achieved today through a wide range of innovative solutions:

  • Groundwater heat pumps provide environmentally friendly heating and cooling.
  • Smart building automation ensures demand-driven control and optimization of all operations.
  • Consistent heat and moisture recovery increases energy efficiency without compromising employee comfort.
  • An electronic façade reduces heat input by automatically dimming in sunlight, while still offering an unobstructed view outside. This significantly reduces cooling needs during the summer.


A Model for the Future

Smart building design at Hamilton considers not only energy efficiency but also employee comfort and safety. The innovative construction of the Domat/Ems site enhances both efficiency and occupational safety while reducing emissions. The figures speak for themselves:

Through these structural and technological measures, Hamilton reaffirms its strong commitment to sustainability, innovation, and responsible business practices. The growing share of self-generated electricity is a key step toward a carbon-neutral industrial future.

Further Information

We have always associated Switzerland with beautiful scenery, great quality of life and diverse culture.

Barbara Liebl

Team Leader HR Business Partner, Hamilton Services AG

At Hamilton, they think ahead and support good ideas in a straightforward and active way.

Giuliana Bonifazi

Apprentice Development Specialist, Hamilton Services AG

I live out my artistic, romantic side in music and my serious side at work.

Regina Alves

ICT Business Engineer, Hamilton Services AG
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