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London Climate Action Week - Decarbonising our housing stock

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The Housing Forum’s Innovation Forum, supported by the Mayor of London and part of the London Climate Action Week; the session took place on 5th July 2019 and focused on decarbonising the UK’s housing stock. Download our slides

Published in: Environment
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London Climate Action Week - Decarbonising our housing stock

  1. 1. Decarbonising housing stock
  2. 2. 240,000 bills sent annually Serving 70,000 customers Processing £16 million in payments 500 schemes 110 energy centres 38,000 PAYG customers 40 engineers 153 employees Over 35 years’ experience
  3. 3. What's it all about? 0.00% 10.00% 20.00% 30.00% 40.00% 50.00% 60.00% 70.00% 80.00% 7.45% EU share of heating and cooling from renewable sources Source: Eurostat: Energy for heating / cooling from renewable sources
  4. 4. What does decarbonisation mean for housing? The heating and the climate What are the options for heating homes cleanly? Heat networks The transition from gas: 2025 no new connections
  5. 5. Customer perception of heat Most customers do not associate heat with CO2 emissions and pollution (NOx)
  6. 6. Emotion and moral obligation Poor explanations to stakeholders War footing on global warming
  7. 7. We've cleaned up heating before District heating helps to deliver heat cleanly to high dense areas Coal distributed by cart across towns and cities Smog (from coal fires) causes serious health issues The new evil is now CO2 and NOx
  8. 8. Big changes to how we heat our buildings No new gas boilers installed after 2025 “We will introduce a Future Homes Standard, mandating the end of fossil fuel heating systems in all new houses from 2025.” – Philip Hammond
  9. 9. Heat networks 18% of Heat from heat networks by 2050 That’s could be over 5 million homes! Currently we think that (2%) 540K of homes are using heat networks
  10. 10. How do we retrofit older gas houses? Sheffield case study • Converted tower blocks to become heat networks • 150 buildings had boilers removed to connect to ERF with sub stations. Looking abroad: Netherlands District heating = high density areas Electricity pumps = less dense areas Connecting old housing stock to district heating. Can it be done? Q It can – but on scale! A
  11. 11. Terraced housing Over 25% properties terraced housing Space for heat pumps is limited Unable to external clad Often near DH pipes running down main roads
  12. 12. What about the rest? 18% Heat networks The rest Heat Pumps (water, ground), Hydrogen? Biomethane? Not including commercial and industrial buildings
  13. 13. Underground mains Connected buildings Heat networks: Low carbon? Gas Biomass Waste to energy Heat pumps
  14. 14. The spotlight is on heat networks Scotland London Core Cities Target: 2050 zero carbon emissions
  15. 15. Making a success of heat networks Focused on the customer What is the message to the customer?
  16. 16. The user journey Welcome letter Heat sale agreement Engagement Tenant meetings Energy centre visits Customer services Portals PAYG Accurate and timely bills Social media Payment options Surveys PRE-MOVE IN/ RETROFIT ON-BOARDING RELATIONSHIP BUILDING Displays Welcome pack CUSTOMER EXPERIENCE Equipment demos Events Welcome letter Demonstrations One-to- one meetings
  17. 17. Engineers Website/app Customer relations Customer satisfaction (6 monthly surveys carried out by an independent organisation) 91% call handler was polite and courteous 92% overall professionalism of call handler 90% customers feel welcome 90% it included all options expected 97% it was easy to use 97% Engineer turned up at the expected time 97% they were clean and presentable 100% left the area clean and tidy IntrotoSwitch2
  18. 18. Controls and metering: The role of controls Customer expectations changing Customer expectations changing Customer expectations changing Demand management
  19. 19. Heat and health: Monitoring with metering 25,000 excess deaths in winter relating to cold temperatures & living in cold homes 2.55 million living in fuel poverty 11.1% of households
  20. 20. What do you think? Open windows in winter: A symptom of flat rate charging for heat? Reduces CO2 emissions Addresses fuel poverty through behavioural change Reduces consumption Why is customer metering important?
  21. 21. Case study: Sheffield City Council One of the Largest operators of community heating in the UKLeaders and advocators in Community heating Previous comparison of gas consumption flat rate circular charge to PAYG 4,800 on communal heating operated by SCC (flat rate charged) 1,000 connected to the district network Efficiency improvement using metering across the schemes 11,000 kWh (flat rate) 4,100 kWh (PAYG)
  22. 22. Innovation and ambition for heat networks
  23. 23. How could we support? Heat as a service? Tariffs and allowances for health Minimum temperature Prescribe?
  24. 24. Heat as a service Level of comfort Hours of comfort Bundles Fair usage tariffs
  25. 25. What can we monitor via a metering system? Customer expectations changing Temperature Humidity CO2 Presence Consumption
  26. 26. Central controls
  27. 27. BEMs Building Energy Management Systems (BEMs) monitor and control services such as heating, ventilation and air-conditioning, ensuring the building operates at maximum levels of efficiency and removing wasted energy usage associated costs.
  28. 28. Thanks for listening

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