Thames Water customers are facing a potential 40 percent increase in their bills as investors have withdrawn plans to inject £500 million into the troubled utility.

The withdrawal has raised concerns about a possible government bailout that could cost taxpayers billions. Chief executive Chris Weston refused to rule out significant bill hikes, citing the firm's mounting debts and substantial interest payments.

The company revealed that shareholders withheld the crucial funds, arguing that demands from regulators rendered its business plan unviable. Labour called for government and regulatory intervention to stabilize Thames Water, with concerns about potential emergency nationalization looming.

While the company assured it could cover operating costs until next year, there's a possibility of special administration without additional investment. Weston hinted at potential bill increases to fill the financial gap, emphasizing the necessity of around £20 billion in investment by 2030 to meet customer demands. The GMB union criticized shareholders for withholding funds unless bills skyrocketed, characterizing the move as holding customers and regulators hostage.

Thames Water, the UK's largest water supplier, has been grappling with a funding crisis, debts nearing £15 billion, and missed performance targets. The situation has been exacerbated by shareholder payouts, including substantial dividends and executive bonuses.

The Labour shadow environment secretary criticized the Conservatives for weakened regulation, attributing Thames Water's predicament to years of neglect. Thames Water, privatized in 1989, has faced controversies despite improving water quality.

Last summer, a rescue funding plan was devised with shareholders, including a Canadian pension fund and China's sovereign wealth fund. However, industry watchdog Ofwat's refusal to meet the company's demands has derailed the plan. Thames Water is in discussions with Ofwat to negotiate affordable, deliverable, and financeable regulations. The company intends to explore all options to secure the necessary equity investment once regulatory plans are finalized.

Despite the challenges, Thames Water's 8,000 staff remain committed to delivering services for customers, communities, and the environment.

Ofwat emphasized safeguards to protect customer services regardless of shareholder issues, signaling confidence in Thames Water's regulatory capital value and liquidity. However, shareholders blamed Ofwat for the funding stalemate, asserting that their proposed solution addressed Thames Water's challenges without taxpayer funding. They lamented Ofwat's reluctance to support a business plan that could resolve the utility's issues effectively.

As shareholders are unable to provide further funding, Thames Water faces a precarious financial situation, raising uncertainties about its future operations.