Fuel Poverty Reduction: Heat Storage Innovation Interim Report Fuel Poverty Reduction: Heat Storage Innovation Local Energy Challenge Fund (LECF) Phase 2, ref GCF056 Interim Report Sunamp Ltd 1 Satellite Park Macmerry East Lothian EH33 1RY 01875 610 001 [email protected] INTERIM Report LECF IIF: Eastheat Page 1 Contents 1 At a Glance ...................................................................................................................................... 3 1.1 Project Objectives ................................................................................................................................................................................ 3 1.2 Achievements ...................................................................................................................................................................................... 3 2 Executive Summary ......................................................................................................................... 5 2.1 Context ................................................................................................................................................................................................ 5 2.2 EastHeat focus ..................................................................................................................................................................................... 6 2.3 Delivering the EastHeat Project ........................................................................................................................................................... 6 2.4 EastHeat Innovations ........................................................................................................................................................................... 6 2.5 Key Findings ......................................................................................................................................................................................... 7 2.6 Conclusions .......................................................................................................................................................................................... 8 2.7 Additional topics for final report .......................................................................................................................................................... 9 3 Introduction .................................................................................................................................. 11 3.1 Project Scope & Aims ......................................................................................................................................................................... 11 3.2 Project Name and Target Region ....................................................................................................................................................... 11 3.3 Project partners ................................................................................................................................................................................. 12 3.4 Project funding................................................................................................................................................................................... 13 3.5 Phases ................................................................................................................................................................................................ 14 4 Context .......................................................................................................................................... 15 4.1 UK Energy ........................................................................................................................................................................................... 15 4.2 Scotland’s ‘Heat Trilemma’ ............................................................................................................................................................... 15 4.3 Domestic homes ................................................................................................................................................................................ 16 4.4 The Need for Energy Storage ............................................................................................................................................................. 16 4.5 Fuel poverty ....................................................................................................................................................................................... 18 4.6 Social Landlords ................................................................................................................................................................................. 18 5 The Technology ............................................................................................................................. 20 5.1 History of development ..................................................................................................................................................................... 20 5.2 How does the Sunamp Heat battery work? ....................................................................................................................................... 20 5.3 What is a Sunamp Heat Battery? ....................................................................................................................................................... 21 5.4 Benefits .............................................................................................................................................................................................. 21 5.5 Product and Company Certifications.................................................................................................................................................. 22 6 Property Types & Locations .......................................................................................................... 23 6.1 Number of Properties ........................................................................................................................................................................ 23 6.2 Types of Installation ........................................................................................................................................................................... 24 6.3 The “Living Lab” ................................................................................................................................................................................. 26 7 Data Methodology ........................................................................................................................ 28 7.1 Heat Batteries – Data quality review.................................................................................................................................................. 28 8 Results: Monitoring Data .............................................................................................................. 29 8.1 Balfour Court: Pilot Site, Pre-Installation .......................................................................................................................................... 29 8.2 All Properties – Grouping the data ..................................................................................................................................................... 31 8.3 Heat Batteries – Hot Water output .................................................................................................................................................... 32 8.4 Heat Batteries – % Hot Water from solar PV ...................................................................................................................................... 34 8.5 Heat Batteries – % Solar PV captured ................................................................................................................................................ 35 9 Results: Financial and Other Outputs............................................................................................ 36 9.1 Comfort Studies & Behavioural Change ............................................................................................................................................. 36 9.2 EastHeat Case Studies ........................................................................................................................................................................ 36 9.3 Heat storage vs Electricity storage .................................................................................................................................................... 37 10 Conclusions ................................................................................................................................... 39 10.1 Is it possible to help those in fuel poverty by installing heat batteries alongside solar panels? ........................................................ 39 10.2 How do people react to having heat storage in their homes? ........................................................................................................... 39 10.3 Are there any benefits for the housing associations? ........................................................................................................................ 39 10.4 A great partnership! ..........................................................................................................................................................................