Building Energy Systems and Indoor Environment
Updates and Insights
Building Energy Systems and Indoor Environment
Updates and Insights
Task 43
The Task 43 under the IEA Energy Storage TCP (Technology Collaboration Programme), is focused on "Storage for Renewables and Flexibility through Standardized Use of Building Mass." The goal is to enable the international market uptake of thermal energy storage in buildings by integrating thermal-activated building mass (TABs) into standard construction and renovation practices. This approach supports grid flexibility, renewable energy integration, and energy-efficient buildings.
The project officially began on January 1, 2023, and is scheduled to run for 36 months. It is divided into four core Subtasks, each addressing critical technical and non-technical challenges related to TABs.
The Annex (Task 43) is making steady progress in integrating TABs into buildings for energy storage and grid flexibility. Collaboration between academia, industry, and policymakers is essential to achieving its goals. Future work will focus on expanding case studies, refining models, and developing standardized performance metrics to support widespread adoption of TABs.
Summary of Activities in the Annex
The activities in Task 43 are structured under four subtasks, each contributing to different aspects of TABs research, development, and deployment.
Key Meetings and Milestones
Reports
Future Goals and Deliverables
Workshop
Invitation to Our Special Session at EI.A 2025: Thermal Storage and Flexibility in Buildings
We’re excited to invite you to our special session “Thermal Storage and Flexibility in Buildings: Digitalization, Control, and Market Integration of Activated Building Mass”, part of the Energy Informatics.Academy Conference 2025 in Kuala Lumpur, Malaysia (3–5 December 2025).
As the energy transition accelerates, buildings can act not only as energy consumers but as active storage and flexibility assets. This session will explore innovative approaches to using structural building mass (concrete, wood, clay) as integrated thermal storage for load shifting, demand-side management, and sector coupling in renewable-based energy systems.
Key topics include:
- Digital modeling, simulation, and predictive control for TAB
- Integration with smart grids and local energy systems
- Flexibility metrics for energy markets
- Interfacing with IoT and building management systems
- Demand-side management and sector coupling
- Business models, incentives, and policy enablers
- Real-world case studies from new builds and retrofits
Important dates:
Paper submission deadline: 31 August 2025
Notification of acceptance: 15 September 2025
Camera-ready paper due: 15 October 2025
Conference dates: 3–5 December 2025
We welcome long papers, short papers, and abstracts. For details on submission guidelines, visit:
https://www.energyinformatics.academy/2025-eia-conference-submission
Organizing Committee:
Christoph Rohringer (Austria)
Alireza Afshari (Denmark)
Daniel Muschick (Germany)
Zheng Grace Ma (Denmark)
Bo Nørregaard Jørgensen (Denmark)
Join us in advancing the digitalization and control of thermal storage in buildings for a flexible, renewable energy future!