Thames Water plans to restart desalination plant – after drought has ended
News Source
•Fri, 14 Aug 2026 15:08:49 GMT
📰 What Happened
Thames Water plans to restart the UK's only desalination plant in Beckton, east London, by the end of the year. The plant takes saltwater from the Thames and turns it into drinking water. But the problem is the plant will not be ready until winter, long after the current drought is likely over. The company says it wants to build up reservoir supplies for next summer.
The Beckton plant has only run five times in 15 years. It has provided just seven days' worth of London's drinking water since it opened in 2011. The plant originally cost £270 million to build. Thames Water now estimates the total cost has reached £500 million, making it an extremely expensive facility that has barely been used.
🔍 The Backstory
Desalination plants are common in dry countries like those in the Middle East. They remove salt from seawater to create fresh water. But the Beckton plant has been called a "white elephant" because it cost so much and has been used so little. Water companies in the UK have imposed hosepipe bans as the country faces a fifth heatwave and worsening drought conditions.
Thames Water supplies 16 million customers in London and the Thames Valley. The company has faced criticism for years over water leaks, pollution, and its financial management. The desalination plant was built to prepare for droughts, but critics say it was poorly planned and too expensive to run. Every time a drought hits, people ask why the plant is not being used more. Thames Water says running the plant is costly and only needed during extreme dry spells. But with climate change bringing more frequent heatwaves and droughts, the need for reliable water sources is growing.
🎯 Why It Matters
Clean drinking water is something everyone relies on. When a company spends half a billion pounds on a plant that barely runs, it affects your water bills. This story shows how hard it is to plan for drought in a changing climate.
Thames Water plans to restart the UK's only desalination plant in Beckton, east London, by the end of the year. The plant takes saltwater from the Thames and turns it into drinking water. But the problem is the plant will not be ready until winter, long after the current drought is likely over. The company says it wants to build up reservoir supplies for next summer.
The Beckton plant has only run five times in 15 years. It has provided just seven days' worth of London's drinking water since it opened in 2011. The plant originally cost £270 million to build. Thames Water now estimates the total cost has reached £500 million, making it an extremely expensive facility that has barely been used.
Desalination plants are common in dry countries like those in the Middle East. They remove salt from seawater to create fresh water. But the Beckton plant has been called a "white elephant" because it cost so much and has been used so little. Water companies in the UK have imposed hosepipe bans as the country faces a fifth heatwave and worsening drought conditions.
Thames Water supplies 16 million customers in London and the Thames Valley. The company has faced criticism for years over water leaks, pollution, and its financial management. The desalination plant was built to prepare for droughts, but critics say it was poorly planned and too expensive to run. Every time a drought hits, people ask why the plant is not being used more. Thames Water says running the plant is costly and only needed during extreme dry spells. But with climate change bringing more frequent heatwaves and droughts, the need for reliable water sources is growing.
Clean drinking water is something everyone relies on. When a company spends half a billion pounds on a plant that barely runs, it affects your water bills. This story shows how hard it is to plan for drought in a changing climate.