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Reference Number EP/T023112/1
Title INTEGRATE: Integrating seasoNal Thermal storagE with multiple enerGy souRces to decArbonise Thermal Energy
Status Started
Energy Categories RENEWABLE ENERGY SOURCES(Geothermal Energy) 50%;
OTHER POWER and STORAGE TECHNOLOGIES(Electricity transmission and distribution) 10%;
OTHER POWER and STORAGE TECHNOLOGIES(Energy storage) 40%;
Research Types Basic and strategic applied research 100%
Science and Technology Fields PHYSICAL SCIENCES AND MATHEMATICS (Computer Science and Informatics) 10%;
ENGINEERING AND TECHNOLOGY (Electrical and Electronic Engineering) 50%;
ENGINEERING AND TECHNOLOGY (Civil Engineering) 20%;
ENGINEERING AND TECHNOLOGY (Architecture and the Built Environment) 20%;
UKERC Cross Cutting Characterisation Not Cross-cutting 50%;
Systems Analysis related to energy R&D (Energy modelling) 50%;
Principal Investigator Dr D Friedrich
No email address given
Sch of Engineering and Electronics
University of Edinburgh
Award Type Standard
Funding Source EPSRC
Start Date 01 October 2020
End Date 30 September 2023
Duration 36 months
Total Grant Value £1,445,832
Industrial Sectors Energy
Region Scotland
Programme Energy : Energy
 
Investigators Principal Investigator Dr D Friedrich , Sch of Engineering and Electronics, University of Edinburgh (99.993%)
  Other Investigator Professor GP Harrison , Energy Systems, University of Edinburgh (0.001%)
Dr M (Mark ) Winskel , Energy Systems, University of Edinburgh (0.001%)
Dr A van der Weijde , Sch of Engineering and Electronics, University of Edinburgh (0.001%)
Professor G Falcone , Aerospace Engineering, University of Glasgow (0.001%)
Dr R W C Westaway , Aerospace Engineering, University of Glasgow (0.001%)
Dr R Bolton , Science Technology & Innovation Studie, University of Edinburgh (0.001%)
Professor BR Hughes , Mechanical Engineering, University of Hull (0.001%)
  Industrial Collaborator Project Contact , Scottish and Southern Energy plc (0.000%)
Project Contact , SP Energy Networks (0.000%)
Project Contact , WSP (0.000%)
Project Contact , Energy Technology Partnership (0.000%)
Project Contact , Star Refrigeration Ltd (0.000%)
Project Contact , Drilcorp (0.000%)
Project Contact , Natural Power (0.000%)
Project Contact , Natural Resources Canada (0.000%)
Project Contact , Ristol Consulting (0.000%)
Project Contact , Town Rock Energy Ltd (0.000%)
Web Site
Objectives
Abstract This project evaluates the potential of Seasonal Thermal Energy Storage (STES) systems to facilitate the decarbonisation of heating and cooling while at the same time providing flexibility services for the future net-zero energy system.The Committee on Climate Change's recent report highlighted that a complete decarbonisation of the building, industry and electricity sectors is required to reach net-zero. Current estimates are that 44% of the total energy demand in the UK is due to heat demand which has large seasonal variations (about 6 times higher in winter compared to summer) and high morning peak ramp-up rates (increase in heat demand is 10 times faster than the increase in electricity demand). Currently, around 80% of the heat is supplied through the natural gas grid which provides the flexibility and capacity to handle the large and fast variations but causes large greenhouse gas emissions. While cooling demand is currently very small in the UK, it is expected to increase significantly: National Grid estimates an increase of up to 100% of summer peak electricity demand due to air conditioning by 2050.In countries such as Denmark, district energy systems with Seasonal Thermal Energy Storage (STES) are already proving to be affordable and more sustainable alternatives to fossil fuel-based heating that are able to handle the high ramp-up rates and seasonal variations. However, the existing systems are usually designed and operated independently from the wider energy system (electricity, cooling, industry and transport sectors), while it has been shown that the best solution (in terms of emissions reduction and cost) can only be found if all energy sectors are combined and coordinated. In particular, large STES systems which are around 100 times cheaper per installed kWh compared to both electricity and small scale domestic thermal storage, can unlock synergies between heating and cooling demand on one side, and industrial, geothermal and waste heat, and variable renewable electricity generation on the other side. However, the existing systems cannot be directly translated to the UK due to different subsurface characteristics and different wider energy system contexts. In addition, the multi-sector integration is still an open challenge due to the complex and nonlinear interactions between the different sectors.This project will develop a holistic and integrated design of district energy systems with STES by considering the interplay and coordination between energy supply and demand, seasonal thermal storage characteristics, and regulation and market frameworks. The results and models from the individual areas will be combined in a whole system model for the design and operation of smart district energy systems with STES. The whole system model will be used to develop representative case studies and guidelines for urban, suburban and campus thermal energy systems based around the smart integration of STES systems.The results will enable the development and deployment of low carbon heating and cooling systems that provide affordable, flexible and reliable thermal energy for the customers while also improving the utilisation of the grid infrastructure and the integration of renewable generation assets and other heat sources.
Publications (none)
Final Report (none)
Added to Database 07/10/21