Hydro Aluminium Årdal Karbon

Permit and control reports (Norwegian only): Permit, Control report 2006, Control report 2010, Control report 2014, Control report 2016, Control report 2018, Control report 2020, Control report 2023, Control report 2025
Monitoring report for the water body: 2015, 2017, 2020, 2022, 2022, 2023

Authority: Miljødirektoratet

Carbon units: Permit and measurement program, Control report 2014, Control report 2018

Emission Trading Scheme Authority: Norwegian Environment Agency