Heygate Energy Strategy

April 2013:  The Mayor and Southwark Council have recently given final planning permission to the development of the Heygate Estate in Elephant and Castle which, as the following GLA press release states, will see the “23 acre site demolished and redeveloped delivering up to 2,469 new homes, a quarter of which will be affordable, as well as new shops, offices, leisure and community facilities and a park.”

As one of the largest regeneration projects in the country, there’s been considerable focus on the development – including the energy strategy for the project (details on previous posts here and here).  The final energy assessment report for the development (and updated addendum) can be accessed at Southwark’s Planning website (and directly here Strategy, Addendum).

A site-wide district heating network is being proposed connecting all apartments and commercial units supplied from a single energy centre.  The energy centre building would also include an  education centre and cafe. Which is nice…

Further information is contained in the Mayor’s Planning report on the application – paras 210 onward highlighting that:

  • A potential to link the heat network to the proposed SELCHP district heating network, in Bermondsey has been explored. This is unlikely to be viable in the near term. The applicant has committed to designing the energy infrastructure to allow future connection to SELCHP should it prove viable at a later stage.
  • A phased installation of combined heat and power (CHP) is being proposed in line with the phasing of the development. This would begin with a 263 kWe gas fired CHP unit being switched on during 2019. This would then be followed by a 985 kWe gas fired CHP unit being switched on in 2021 as the lead heat source for the site heat network.
  • The preferred renewable energy strategy for the site  is to use biomethane fuel supplied over the gas network. This renewable fuel would be produced and injected into the national grid elsewhere and then purchased as a credit to supply some or all of the gas consumption requirements of the CHP plant and gas boilers in the energy centre.
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