I posted this on LinkedIn on 8 July 2026. Adding here for completeness. Utility Week then picked up the story and wrote this.
Remember the first time ESCOs appeared in the UK?
It was around 2007. Building regulations had begun to tighten and the government set out plans for all new homes to be zero carbon by 2016. Audacious planners began to flex their muscles, ratcheting up targets for onsite renewables. Developers, riding high on a property boom with no end in sight, were desperate to get on and build – in the same old way as they’d always done. They hated these new requirements for higher efficiency and low carbon energy.
Enter the ESCOs: onsite energy companies, big and small, promising to take the cost and headache away. They would design, build, own and operate onsite energy schemes for 25 years or more. And best of all, many ESCOs promised to pay the developer a cold lump of hard cash (called a capital contribution) for the privilege.
Everybody was a winner.
Except the resident.
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