Horizon Group — Annual Report · 2025 10 / 15

Environment & Climate

Five years early

In 2025, group emissions fell to 40% below the 2020 baseline — the target we had set ourselves for 2030, reached five years ahead of schedule. Three levers did most of the work: renewable electricity purchasing, which now covers 78% of group consumption; the conversion of Lausanne into our first fully renewable site; and the electrification of the vehicle fleet, now half complete.

Reaching a target early is not a reason to slow down. The board has approved a new ambition: net zero for scope 1 and 2 emissions by 2035. The trajectory will be published with the same discipline as the last one — annual milestones, and limited external assurance on every figure.

Environment at a glance

0%
Renewable electricity
Share of group consumption in 2025
0%
CO₂ emissions
Against the 2020 baseline
0%
Energy intensity
Per CHF 1,000 of revenue since 2021
0%
Waste recycled at Lausanne
Group-wide rate: 91%

Energy intensity

Energy consumed per CHF 1,000 of revenue, in kWh — down 22% since 2021.

Solar panels on the roof of the Lausanne plant
The rooftop array at Lausanne supplies a fifth of the site’s electricity; the rest is contracted Swiss hydro.

Lausanne: proof at industrial scale

The CHF 85 million retooling completed in May 2025 made Lausanne the group’s first fully renewable site — rooftop solar, heat recovery from the compressor hall, and contracted Swiss hydro for the remainder. The site now recycles 94% of its production waste and runs our most efficient line. What we learned there sets the standard for the next two conversions, planned for 2027.

Environmental indicators

Indicator Unit 2023 2024 2025
CO₂ emissions — scope 1 kt CO₂e 52 47 41
CO₂ emissions — scope 2 kt CO₂e 66 55 43
Energy consumption GWh 196 206 221
Water withdrawal thousand m³ 641 612 568
Waste recycling rate % 83 87 91