Optimised integration of 2018- renewable energy sources in 2020 The reference heat cost is reduced from DHC systems and 50-200 in 2012 to 40-90€/MWhin €/MWh Demonstration 46 enhancement of thermal 2020, while the energy efficiency of DHC energy storage at system systems is increased by 10 % level x: District Heating and Cooling Roadmap 2.4.2 Thermal Energy storage Thermal energy storage is the solution for a key bottleneck against the widespread and integrated use of RES, since the renewable supply does not always coincide with the demand for H&C. Numerous technologies in sensible, latent or thermochemical form both in on-site and large scale applications can time-shift renewable energy supply to periods of greatest demand, each of them characterised by different specifications and specific advantages. The Thermal Energy storage roadmap is summarized in Table 4. Predominant Priority Research and Innovation type of Timeline KPI Priorities activity 2014- 1000 litre tank cost (excluding insulation and Next generation of Sensible 2016 VAT) is reduced from 400 - 900 in 2012 to € Development 38 Thermal Energy Storages 300 - 700 in 2020, while the heat loss is € reduced from 150W 200W to 56W – 2018- New fluids for thermal energy transfer and Improving the efficiency of 2020 storage allows a reduction of annual electricity Research / combined thermal energy 36 consumption for pumping from 75 kWh in 2012 Development transfer and storage to 50 kWh in 2030, the energy density is increased by 30% 2016- Stable, encapsulated salt hydrate PCM Increased storage density 2018 cost reduced from 8 in 2012 to less than 2 €/kg using phase change in 2030 €/kg materials (PCM) and Research 28 Energy seasonal TCM storage increased thermochemical materials from 60 kWh/m3system in 2012 to 250 (TCM) kWh/m3system 2016- Energy efficiency increased from 60 %in 2012 Improvements in 2018 to 75% in 2020 Underground Thermal Demonstration 46 Lifetime of the UTES at elevated T increased Energy Storage (UTES) from 10 years in 2012 to 20 30 years in 2020 – Optimised integration of 2018- The reference heat cost is reduced from 50-200 renewable energy sources in 2020 in 2012 to 40-90€/MWhin 2020, while €/MWh DHC systems and Demonstration 46 the energy efficiency of DHC systems is enhancement of thermal increased by 10 % energy storage at system
Optimised integration of renewable energy sources in DHC systems and enhancement of thermal energy storage at system level Demonstration 2018- 2020 46 The reference heat cost is reduced from 50-200 €/MWh in 2012 to 40-90€/MWhin 2020, while the energy efficiency of DHC systems is increased by 10 % x: District Heating and Cooling Roadmap 2.4.2 Thermal Energy storage Thermal energy storage is the solution for a key bottleneck against the widespread and integrated use of RES, since the renewable supply does not always coincide with the demand for H&C. Numerous technologies in sensible, latent or thermochemical form both in on-site and large scale applications can time-shift renewable energy supply to periods of greatest demand, each of them characterised by different specifications and specific advantages. The Thermal Energy storage roadmap is summarized in Table 4. Research and Innovation Priorities Predominant type of activity Priority Timeline KPI Next generation of Sensible Thermal Energy Storages Development 2014- 2016 38 1000 litre tank cost (excluding insulation and VAT) is reduced from 400 - 900 € in 2012 to 300 - 700 € in 2020, while the heat loss is reduced from 150W – 200W to 56W Improving the efficiency of combined thermal energy transfer and storage Research / Development 2018- 2020 36 New fluids for thermal energy transfer and storage allows a reduction of annual electricity consumption for pumping from 75 kWh in 2012 to 50 kWh in 2030, the energy density is increased by 30% Increased storage density using phase change materials (PCM) and thermochemical materials (TCM) Research 2016- 2018 28 Stable, encapsulated salt hydrate PCM cost reduced from 8 €/kg in 2012 to less than 2 €/kg in 2030 Energy seasonal TCM storage increased from 60 kWh/m3system in 2012 to 250 kWh/m3system Improvements in Underground Thermal Energy Storage (UTES) Demonstration 2016- 2018 46 Energy efficiency increased from 60 %in 2012 to 75% in 2020 Lifetime of the UTES at elevated T increased from 10 years in 2012 to 20 – 30 years in 2020 Optimised integration of renewable energy sources in DHC systems and enhancement of thermal energy storage at system Demonstration 2018- 2020 46 The reference heat cost is reduced from 50-200 €/MWh in 2012 to 40-90€/MWhin 2020, while the energy efficiency of DHC systems is increased by 10 %
Common_Roadmap_consolidated_version_V.2_.docx