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Moody's withdraws key Thames Water rating over lack of information

Published by Global Banking & Finance Review

Posted on May 23, 2025

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· Last updated: January 23, 2026

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Moody's withdraws key Thames Water rating over lack of information
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LONDON (Reuters) -Moody's has withdrawn the credit rating of the financing arm of Thames Water's parent company, citing a lack of information on the embattled unit. "We have decided to withdraw the

Moody's Withdraws Thames Water Rating Due to Insufficient Information

LONDON (Reuters) -Moody's has withdrawn the credit rating of the financing arm of Thames Water's parent company, citing a lack of information on the embattled unit.

"We have decided to withdraw the rating (of Thames Water Kemble) Finance PLC) because we believe we have insufficient or otherwise inadequate information to support the maintenance of the rating," Moody's said in a statement.

Thames Water, which serves 16 million customers in and around London, is at the centre of a public backlash over the amount of sewage it has been pumping into Britain's rivers and its huge debt that has raised the prospect of re-nationalisation.

It is the primary operating subsidiary of Thames Water Limited, which is in turn owned by Kemble Water Finance Limited, the financing subsidiary of which is Thames Water (Kemble) Finance PLC.

Despite the withdrawal, Moody's said it was maintaining ratings on the two other parts of the complex Thames Water structure, Thames Water Utilities Ltd and Thames Water Utilities Finance Plc.

It did not provide any further details on what information was lacking with regards to the Kemble financing unit. Prior to the withdrawal, the rating had been a default-territory 'C' grade.

(Reporting by Marc Jones in London and Unnamalai L in Bengaluru, Editing by Louise Heavens)

Key Takeaways

  • Moody's withdrew Thames Water's credit rating.
  • Lack of sufficient information cited as the reason.
  • Thames Water faces public backlash over sewage issues.
  • The company has significant debt concerns.
  • Moody's maintains ratings on other Thames Water entities.

Frequently Asked Questions

Why did Moody's withdraw the Thames Water rating?
Moody's withdrew the rating due to insufficient or inadequate information to support its maintenance.
What is the current status of Thames Water's credit rating?
The rating for Thames Water Kemble Finance PLC was withdrawn, previously sitting at a default-territory 'C' grade.
How many customers does Thames Water serve?
Thames Water serves approximately 16 million customers in and around London.
What are the concerns surrounding Thames Water?
Thames Water is facing public backlash over the significant amount of sewage it has been discharging into rivers and its substantial debt.
Which parts of Thames Water's structure still have ratings?
Despite the withdrawal, Moody's is maintaining ratings on Thames Water Utilities Ltd and Thames Water Utilities Finance Plc.

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