|Retail electricity customers||1,048,648||970,663||910,830|
|Retail gas customers1||954,419||906,152||904,971|
|Residents served by district heating2||595,772||585,594||575,063|
|Integrated water service residents served||2,748,268||2,765,363||2,791,927|
|Integrated water service municipalities served||238||241||242|
|Waste management services residents served||2,978,164||3,061,547||3,057,857|
|Waste management services municipalities served||300||307||297|
1 Customer growth in 2021 is also due to the acquisition of Sidiren.
2 The 2020 and 2019 data has been restated and recalculated using the new estimation criteria, adopted since 2021, based on residential volumes only.