Welcome to the Swiss Emissions Trading Registry

On the website of the Federal Office for the Environment FOEN you can find detailed technical information on the Swiss Emissions Trading Scheme and the Emissions Trading Registry.

Important information

From 9 September 2023, all international transactions with Kyoto units will be suspended (see also frequently asked questions).

Opening hours (Tel.: +41 58 462 05 66, Email: emissionsregistry@bafu.admin.ch)

Working days EHR Helpdesk: Monday to Friday, from 9am to 12pm (local time), except official holidays and closures of the registry and/or the helpdesk
Transactions to be executed on an official holiday or on a working day when the EHR Helpdesk is closed for other reasons will be executed on the first working day thereafter.
Registry/helpdesk closures: 1 August / 25-26 December 2024 / 1-2 January 2025


The FOEN publishes the auction dates at least one month before the auction at Dates and results.

Transfer calendar between the Swiss and EU registers

Transfers are executed daily (Monday to Friday). Exceptions and further information on the transfer calendar can be found in the frequently asked questions.