In pellet production (+7%), but the proportion of total energy related to electricity increased to 39% (2019: 37%), underlining the growing importance of sourcing low carbon sources of electricity going forward – for more information on the Group’s new power purchasing strategy, see pages 26 to 27. Energy-saving initiatives Electricity and natural gas have consistently represented the two largest sources of energy consumption across the Group’s operations, accounting for 39% and 27% of total energy usage respectively in 2020.