Indicator Unit 2021 2020

Energy Energy consumption* MWh 649,667 338,317

Energy consumption per activity*

Offices MWh 49,622 44,118

Industrial sites MWh 7,751 7,570

Construction sites and yards MWh 592,294 286,629

Percentage of renewable electricity(1) % 6.9 3.1

Water Water withdrawal* m3 1,983,789 882,949

Water withdrawal per activity*

Offices m3 173,677 121,331

Industrial sites m3 15,316 17,490

Construction sites and yards m3 1,794,796 744,128

Water withdrawal by source

Percentage from recycled or reused sources(2) % 21.3 6.2

Wastewater Wastewater generated* m3 1,199,769 846,780

Wastewater generated per activity*

Offices m3 128,575 100,350

Industrial sites m3 6,888 5,479

Construction sites and yards m3 1,064,306 740,951

Wastewater generated by destination

Percentage discharged into the environment after quality control % 26.8 33.8

Percentage sent to external wastewater treatment plant % 47.5 39.6

Percentage recycled or reused internally % 25.6 19

Environment

(1) Includes all energy consumed coming from external renewable sources and from internal production (through solar panels or heating). (2) Wastewater from another organization, wastewater treated and reused internally, and rainwater collected and stored for reuse.

84 . Impact Book