Drivers and trends

Drivers and trends in the underground infrastructure maintenance industry

Ageing sewerage systems
  • Poor state of the sewerage systems requiring significant maintenance and renovation
  • Ageing sewerage infrastructure


Years old on average

Climate change
  • Increasing the load on the sewerage networks and requiring more maintenance and higher quality pipes
  • Temperature and rainfall increases set to strain sewerage systems


increase in rainfall
  • Existing regulations expected to drive higher investment
  • Regulations increase the frequency of maintenance intervals
  • Increasing standards and reporting requirements


Per month fat separators required to be emptied
Capacity needed
  • Urbanisation placing extra pressure on the outdated sewerage systems in urban areas, which increases maintenance need


increase in ppl per km sewer
  • Sizeable outsourced UIM market with only ~24% of the services currently insourced
  • No expected change in outsourcing degree in Nordic markets
  • Further outsourcing potential in Germany (e.g. municipalities)


of market insourced

  • Increasing trend for customers to weight ESG criteria
  • Reporting requirements also increasing


weighting in certain tenders