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Thames Water Penalized £8.6 million as Leakage Skyrockets

On 14 June 2017, Thames Water revealed it had missed its leakage target for the first time in 11 years. As a result, the London utility, servicing potable water to over 9 million, was slapped with an £8.6 million (US$11.0 million) penalty by Ofwat.

Thames Water ranked 44 out of 46 European utilities, and last out of the 11 UK utilities represented, in Bluefield’s analysis of operational performance metrics and smart water solution deployments.

In this Research Note, Bluefield water experts analyze Thames Water’s leakage challenges, steps the utility is taking to invest in infrastructure, and smarter leak detection and asset intelligence strategies.

For more analysis of Europe’s water markets, see our recent reports (available for purchase and immediate download)


  • Thames Water ranked last out of UK peers in Bluefield’s operational efficiency rankings.
  • Thames to boost pipe replacement CAPEX targeting high risk trunk main
  • Ofwat’s ODIs drive adoption of smarter leak detection strategies in the UK.

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