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Southwark’s New District Heating Network. Southwark’s Carbon Reduction Strategy. Borough-wide CO 2 emissions down by 80% by 2050 Council housing stock emissions down by 15% by 2022 Fuel poverty reduced. Background. Section 106 agreement tied to waste facility site.

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Presentation Transcript
southwark s carbon reduction strategy
Southwark’s Carbon Reduction Strategy

Borough-wide CO2 emissions down by 80% by 2050

Council housing stock emissions down by 15% by 2022

Fuel poverty reduced

background
Background

Section 106

agreement tied to waste

facility site.

On-site renewable energy generation not feasible.

Agreement asked for community renewable energy scheme instead.

de centralised heat generation proposal
De-centralised Heat Generation Proposal

Use SELCHP to distribute heat to local estates

Projected emissions reduction of 7,716 tonnes of CO².

financial incentives
Financial incentives

For Southwark:

  • Cheaper than gas
  • Low carbon
  • Cost benefits to increase over time

For Veolia (Waste PFI partners):

  • Price received was greater than electricity
  • Cover construction and maintenance costs
how it works
Steam drives a turbine to generate electricity

Condensed back to water and returned to boiler

We bleed off steam during this process

It transfers its remaining energy into our network

How it works
how it works1
How it works
  • 1,200 Southwark properties benefiting
  • Scheme funded by Veolia
  • Potential to supply commercial customers
technical details
TechnicalDetails
  • 5km of pipe laid beneath roads
  • Minimal heat loss
  • Leak detection system
technical details1
TechnicalDetails
  • SELCHP pumps drive 110 °C water around the network
  • Heat exchangers at each boiler house
problem solving
Problem solving
  • Challenge of finding route for pipes:
  • Potential damage to trees
  • London Overground timetable
  • Relocation of certain plant rooms
problem solving1
Problem solving
  • Need for contingency solutions
  • Desire to keep existing boiler houses
  • Disruption to residents being minimised
timetable to completion
Timetable to completion
  • June and July: Completion of pipe laying and boiler room modifications
  • August and September: Testing and calibration
  • October: Heat delivered