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From UK Find a Grant — schemes open to the private sector · checked 14 Nov 2026

Heat Network Efficiency Scheme (HNES) funding for existing heat networks in England and Wales

Heat Network Efficiency Scheme (HNES)

Open · 1233 days left Grant United Kingdom Department for Energy Security and Net Zero · Heat Network Efficiency Scheme (HNES)
Closes
31 Mar 2030
1233 days left
Opened
1 Apr 2025
Who can apply
Public bodies, NGOs, Micro companies, SMEs, Large companies
Open to applicants from
United Kingdom

What this call funds

Public, private and third sector operators of existing district or communal heat networks in England and Wales can apply for revenue grants to fund Optimisation Studies and capital grants to part-fund efficiency improvements. Capital grants cover up to just under 50% of eligible costs, and revenue grants can cover up to 100%. Applications are prioritised for schemes that support residential customers in need, and the scheme window runs to 31 March 2030, with Round 14 expected to open on 30 November 2026.

energyheatingclimatebuildings
Read the full call text (opens in a new tab)

The call in detail

Funder
Department for Energy Security and Net Zero
Programme
Heat Network Efficiency Scheme (HNES)
Type
Grant
Funding rate
Up to 50% of eligible costs
Eligible applicants
Public bodies, NGOs, Micro companies, SMEs, Large companies
Eligible countries
United Kingdom
Region
England and Wales
Startup relevance
Low
Source
UK Find a Grant — schemes open to the private sector

Key dates

1 Apr 2025
Applications opened
31 Mar 2030
Applications close

Earlier rounds and changes

RecordedWhat changedDetails
13 Nov 2026 First listed here Already listed when the source was first read

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Summaries and extracted fields are generated automatically from the official page and may contain mistakes. Check the official page before applying.