Key facts
- Thames Water expects to run out of cash by the end of 2026.
- The company has £515m in cash and access to £750m in backup funding.
- Thames Water's total net debt has increased to £18.5bn.
- A proposed rescue deal from lenders was rejected by the government.
- The company faces potential temporary nationalization via a special administration regime.
Thames Water is on the verge of running out of money by the end of 2026, struggling to secure a finalized rescue deal. The company, which serves approximately 16 million customers, primarily in London and the South East, reported having £515 million in cash and access to an additional £750 million in backup funding. However, this liquidity is only expected to last until sometime in the fourth quarter of the year.
The financial strain comes after Thames Water recorded its highest-ever spending in a single financial year, amounting to £2.7 billion. This investment, an increase of about a fifth, was directed towards laying 88km of new pipes and clearing 1,700km of sewers. Despite these efforts, customer bills were insufficient to cover the costs, leading to £1.1 billion in cash outflows over the year.
Thames Water's total net debt has risen to £18.5 billion, up from £16.8 billion, pushing its gearing ratio—the proportion of net debt to the regulatory value of its assets—to 86.1%. The company also faces a £123 million penalty from the industry watchdog for sewage spills and improper dividend payouts, with a payment plan requiring the remaining balance to be settled by March 2030.
Recent performance metrics show Thames Water met only 55% of its regulated targets in the last year, while customer complaints surged by 101%. Environment Secretary Emma Reynolds has rejected a rescue deal proposed by lenders, which included £3.4 billion in equity investment and £6.5 billion in debt financing. Reynolds expressed concerns that the deal might not adequately protect the water and wastewater systems.
The utility firm has been close to entering a special administration regime, a process that would lead to its temporary nationalization. Prime Minister-in-waiting Andy Burnham has publicly supported greater public control over major utility firms, suggesting a potential partnership model with the private sector.