29/04/2013 Energy Flexible Buildings proposal for new EBC Annex IEA DSM Event June 10th 2014 Brussels Bart Bleys B.B.R.I. - Belgian Building Research Institute IEA DSM Event 10/6/2014 - Pagina 1 Definition workshop in Denmark March 5-6 27 persons from 15 countries Initiative: Søren Østergaard Jensen, Danish Technological Institute IEA DSM Event 10/6/2014 - Pagina 2 1 29/04/2013 Objectives ◘ Development of common terminology and definition of “Energy Flexibility in buildings” and “energy grid interaction” (STA) ◘ Investigation of the social and indoor environmental implication/constraints associated with the introduction of Energy Flexibility in buildings (STA) ◘ Development of ideas for labelling of buildings’ Energy Flexibility (STA) ◘ Analysis of load management, energy storage and generation possibilities in buildings including cost/benefit analysis (STB) ◘ Determination of the flexibility potential both at building and at aggregated level with respect to building type, location (urban/rural) and climate. Analysis of the impact of energy flexible buildings on the low voltage grid incl. integrations of renewable energies and change in electricity generation patterns (STB) ◘ Investigation and development of control strategies and algorithms, which can facilitate smart usage of the flexibility potential in different buildings (STB) ◘ Demonstration of Energy Flexibility through experimental studies (STC) ◘ Investigation of user motivation and acceptance associated with the introduction of Energy Flexibility in buildings (STC) IEA DSM Event 10/6/2014 - Pagina 3 Scope ◘ Increasing knowledge on building Energy Flexibility and the services buildings can provide to energy grids ◘ Identification of critical aspects and possible solutions to manage the Energy Flexibility that buildings can provide IEA DSM Event 10/6/2014 - Pagina 4 2 29/04/2013 Subtasks ◘ Subtask A: Definitions and Context ◘ Subtask B: Analysis, Development and Testing ◘ Subtask C: Demonstration and User Perspectives IEA DSM Event 10/6/2014 - Pagina 5 Subtask A ◘ Activity A.1: Development of a common terminology and definition of “Energy Flexibility in buildings” and “energy grid interaction”. ◘ Activity A.2: Development of a methodology for characterization of Energy Flexibility in buildings. ◘ Development of ideas and recommendations concerning future work on Energy Flexibility labelling of buildings and components. ◘ Identification of opportunities and constraints of aggregation. ◘ Activity A.3: Literature review on user needs (thermal comfort, IAQ, …), motivation (save money, save energy, …) and barriers for application of Energy Flexibility. Investigation of the social and indoor environmental implication/constraints associated with the introduction of Energy Flexibility in different building types. IEA DSM Event 10/6/2014 - Pagina 6 3 29/04/2013 Subtask B ◘ Activity B.1: Investigation of load management, energy storage and generation possibilities in buildings, including quantification of the practical potential of different energy storage solutions in new and existing buildings. Investigation of the impact of different load profiles and user behaviour as well as cost benefit analysis. ◘ Activity B.2: Investigation and development of control strategies and algorithms for Energy Flexibility in buildings. Implementation in selected components/systems: home automation, Building Energy Management systems, low level controllers on the different devices, thermostats, etc. Both control capability and prices will be investigated. ◘ Activity B.3: Laboratory (including full scale) tests of components, systems and control strategies. ◘ Activity B.4: Simulation and documentation of example cases under different scenarios including varying energy prices, weather conditions, user behaviour, etc. and based on verified performance (from Subtask C). Determination of the Energy Flexibility potential both at building and at aggregated level – the latter e.g. through simulations of an assumed number of energy flexible buildings using energy system models to determine their impact on the electricity grid. IEA DSM Event 10/6/2014 - Pagina 7 Subtask C ◘ Activity C.1: Demonstration of Energy Flexibility in real buildings exposed to real weather conditions and user behaviour in different market scenarios. ◘ Activity C.2: Investigation of user motivation and acceptance associated with the introduction of Energy Flexibility in buildings. IEA DSM Event 10/6/2014 - Pagina 8 4 29/04/2013 Proposed time schedule June 2014 – June 2015: Preparation phase June 2015 – June 2018: Working phase June 2018 – June 2019: Reporting phase First preparation workshop: September 8-9, 2014 in Basel IEA DSM Event 10/6/2014 - Pagina 9 Likelihood of contry participation Country Certain Austria Belgium X X Czech Republic X Denmark X Germany X Ireland X Italy X The Netherlands X Norway Portugal X X Spain X Switzerland UK Likely X X IEA DSM Event 10/6/2014 - Pagina 10 5 29/04/2013 Content B.B.R.I. Research projects • Smartgeotherm • TETRA DHW • Instal 2020 Possible contribution to Annex IEA DSM Event 10/6/2014 - Pagina11 11 TETRA DHW (2012-2014) Main focus: • In-depth knowledge of DHW demand through extensive measuring campaign: peak flow rates DHW patterns seasonal variation in DHW consumption • new design rules for DHW production and distribution based on: buildings properties desired DHW comfort IEA DSM Event 10/6/2014 - Pagina 12 6 29/04/2013 TETRA DHW (2012-2014) DHW peak peak lfow flow rate rate (l/min) (l/min) DHW Measured peak flow rate @ 60°C IEA DSM Event 10/6/2014 - Pagina 13 Instal 2020 (2014-2018) Main focus: • Combined design of installations for space heating and DHW production and distribution • Evaluation installation concepts by different criteria: energy use, desired user comfort, total cost, flexibility, compatibility with renewable energy sources, … • Centralised vs. decentralised production • Innovative technologies (e.g. larger DHW tanks and potential for other applications) IEA DSM Event 10/6/2014 - Pagina 14 7 29/04/2013 THANK YOU IEA DSM Event 10/6/2014 - Pagina 15 8
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