Stockholm – October 05, 2026 -- Europe's water utilities currently invest roughly €52.5 billion annually in drinking-water and wastewater infrastructure, yet the European Commission estimates an annual funding gap of around €23 billion, according to a new Urban Insight report from engineering and consultancy firm Sweco.
Replacement rates lag decades behind network age across EU member states
Sweco's analysis, titled Transforming Europe's Water Infrastructure, finds that at current reinvestment rates, the time needed to fully replace a country's drinking-water network ranges from roughly 90 years in Belgium to approximately 1,000 years in Lithuania. Finland and Poland both exceed 500 years, while several other countries fall between 120 and 200 years.
Sweco calls for risk-based renewal over reactive asset replacement
The report argues the central challenge is not the volume of capital deployed but how it is allocated. Sweco recommends four strategic shifts: moving from reactive replacement to risk-based renewal, from managing individual assets to interconnected systems, from fixed investment plans to adaptive pathways, and from basic data collection to AI-supported decision-making.
"Europe's water infrastructure challenge is not simply a replacement problem; it is a resilience and system-design challenge," said Mattias Salomonsson, Water Expert at Sweco. He noted that prioritizing investment by risk, performance and criticality allows municipalities and utilities to extract greater long-term resilience from existing budgets.
Client projects show digital modelling cutting discharge and guiding capital spend
Sweco cites several ongoing client engagements as evidence of the approach in practice. In Jersey, integrated digital modelling has demonstrated potential to cut untreated discharges into St Aubin's Bay by 90%. In Germany, dynamic modelling is informing targeted upgrades to wastewater treatment capacity. In Sweden, operational data is being used to prioritize pumping-station investment decisions, while in the Netherlands Sweco is supporting renewal of critical wastewater systems alongside flood-protection upgrades.
The report frames drought, flooding, energy shocks, cyber incidents and ageing pipe networks as compounding pressures on utilities already operating with constrained capital budgets.