Haven Power has signed a £520 million deal with Thames Water to supply the water utility with renewable electricity over five years.
Haven's parent Drax Group confirmed the deal.
There is an option for two further five-year renewals which could increase the overall value of the contract to more than £1.5 billion over 15 years, the firm added.
Why are you making commenting on The Herald only available to subscribers?
It should have been a safe space for informed debate, somewhere for readers to discuss issues around the biggest stories of the day, but all too often the below the line comments on most websites have become bogged down by off-topic discussions and abuse.
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We are lucky at The Herald. We are read by an informed, educated readership who can add their knowledge and insights to our stories.
That is invaluable.
We are making the subscriber-only change to support our valued readers, who tell us they don't want the site cluttered up with irrelevant comments, untruths and abuse.
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