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DESNZ

March 2026 snapshot

GREEN HEAT NETWORK FUND

Infrastructure and Construction

Official NISTA record

Record date: 31 March 2026

Whole-life cost
£730m
Published schedule
07/03/2022 – 29/03/2030
NISTA delivery confidence
Not disclosed
Senior responsible owner
Not disclosed

What the project is for

The Green Heat Network Fund supports the development of low‑carbon heat networks in England. Launched in 2022 to help cut carbon emissions from heating, it provides capital funding to build new low-carbon heat networks and to decarbonise existing ones, helping homes, public buildings and businesses move away from fossil fuels.

Departmental delivery commentary

The scheme continues to deliver against its objectives, with milestones being met and financial performance broadly on track. Some delays in project implementation may impact the timing of benefits realisation, but these risks are understood and are being actively managed.

Schedule

The project's end-date remains unchanged, with the end of funding phase scheduled for 31/03/2028.

Cost

GHNF WLC has been revised in the updated (2026) GHNF Full Business Case (FBC) to account for the additional budget allocated to the scheme through Phases 1 and 2 of the 2025 Spending Review. The revised WLC will be published in due course.

Benefits

GHNF benefits forecast has been revised in the updated (2026) GHNF Full Business Case (FBC) to account for the additional budget allocated to the scheme through Phases 1 and 2 of the 2025 Spending Review. The revised benefits forecast will be published in due course.