Periodic Reporting for period 1 - PUSH-IT (Piloting Underground Storage of Heat In geoThermal reservoirs)
Okres sprawozdawczy: 2023-01-01 do 2024-04-30
We will reduce environmental impact, levelised cost of energy and risks and improve performance and robustness via development and demonstration of several enabling technologies, i.e. newly developed monitoring and water quality control and novel drilling and completion and novel control systems. Societal engagement is a key element and achieved via citizen engagement, analysing motivations and perceptions of heat storage, and investigating governance policies and business models that engage citizens in decision making regarding urban heating systems including storage.
Local stakeholders have been identified; site-specific stakeholder engagement plan is drafted. The over-all levelised costs of heat storage in the subsurface (LCOE) analysis/simulations for site has started, still ongoing.
Societal engagement: Preparatory work for future milestones/deliverables: including baseline survey and interviews with PUSH-IT consortium of perceptions of engagement, development of online tracker to monitor engagement, and regular meetings with sites to support engagement, and ongoing webinar series on best practices.
Regulation and Policy: Desk-based review of existing regulations at the project sites supported with specific inputs and information provided by site leaders. A participatory session with site leads was used to gather additional inputs about project status, planning and permitting, and to identify stakeholders for the site interviews (scheduled Q3 2024 and Q2 2025).
Techno-economics: Preliminary development of two open-source simulation tools is underway: a model to simulate the techno-economic performance of the technologies, and a tool to identify LCOE and carbon emissions reference heating systems without heat storage.
Drilling: A SWOT analysis has formed the basis of the current technology development and testing plans, which has been integrated with the site plans. For example, casing while drilling with current technology proved to require drill rig development for which resource has been allocated. The performance of other various well technological components is ongoing. Fibre optics form the main sensoring technology, with progress following site progress.
Control: Initial specifications of control objectives and scope have been established following a thorough analysis of the systems and the storage technologies. The Delft site has the most complete specification and the translation into mathematical formulation is ongoing.
Water quality: A site-by-site approach was used to draw a clear picture of each site’s water quality aspects, and integration with the site activities to enable sampling or access to sampling. Sampling has been carried out at Delft, Darmstadt and Berlin, with experimental protocol development and modelling being initiated.
Performance assessment: Hot Push-Pull Tests are planned for Berlin and Delft site, with the protocol and equipment design for Berlin having been drafted and input into site permits. The E-GRT was performed in Darmstadt providing the first results to evaluate reservoir performance. Co-simulation methodology and procedures have been clarified for each site. Models run for Darmstadt and are currently being built for the other two demo sites.
- Installed:
o insulated BTES, Novel thermal response tests being carried out,
- Ongoing preparations
o to ensure novel integration of HT heat storage in different subsurface and surface conditions across Europe.
o for enabling technologies for successful HT-ATES application: Water treatment & monitoring, well drilling method and completion.
o for targeting abandoned mine and CFD simulations for heat propagation in mine galleries and monitoring (ATES/BTES) of energy performance and subsurface temperature distribution.
o for novel co-simulation and control of heat storage system integration.
o for stakeholder engagement, modelling LCOE and policy and regulations analysis.