Deliverable 6.5: Social acceptability research explains how the research team applied an innovative qualitative methodology, based on reconvened focus groups.

Deliverable 6.4: Prospect analysis of the CEEGS concept for Europe assesses the viability of CEEGS technology in Europe, combining industrial, economic, and
regulatory analysis.

Deliverable 6.3: CEEGS evaluation protocol based on LCA results is the report for the CEEGS evaluation protocol containing the LCA results.

Deliverable 6.2: Transversal intersectoral decarbonisation as GHG balance studies CO2 sources, transport and cycle maintenance to enhance the benefits for CEEGS projects. 

Deliverable 5.5: Experimental Campaign Results explains the construction of the CEEGS facility at the Helmholtz-Zentrum DresdenRossendorf and the experiments carried out there.

Deliverable 4.4: Assessment of the Potential of the Proposed Technology for Seasonal Storage of Energy assesses the potential of the energy storage system concept (Carnot battery) for seasonal storage of renewable energy in conjunction with large-scale subsurface salt cavities for the storage of CO2.

Deliverable 3.5: CEEGS Cycle – Relevant System  Characterisation outlines key system parameters and component integration in the CEEGS project, considering both 5 MW and 100 MW power scales.

Optimising supercritical CO₂ saturation and reservoir conditions for geological energy storage with transcritical carbon dioxide systems (2025)

CO₂ sequestration potential in Depleted Hydrocarbon fields – A geochemical approach (2025)

CO2 transport and geological storage under supercritical conditions: preliminary study of the integration with renewable electrothermal energy storage (2025)

Analysis and Evaluation of a TCO₂ Electrothermal Energy Storage System with Integration of CO₂ Geological Storage (2025)

Diffusivity of CH₄ in liquid H₂O in the bulk: a review of experimental and molecular simulation studies and development of a machine learning approach for its prediction (2025)

Molecular dynamics simulations for calculating the enthalpy of dissociation of CO₂ sI hydrates along the three-phase equilibrium line (2025)

A Machine Learning Approach to Predict CO2 Diffusivity in H2O in a Wide Pressure & Temperature Range (2025)

Surface processes optimisation in a novel CO₂-based electrothermal energy and geological storage trigeneration system (2025)

Experimental investigation of the power production cycle in a CO2 based electrothermal energy and geological storage system (2025)

Assessment of carbon dioxide transcritical cycles for electrothermal energy storage with geological storage in salt cavities (2024)

Numerical Modeling of a Primary Heat Exchanger in sCO2 Power Cycles for Thermal Energy Storage Systems (2024)

Diffusivity of CO2 in H2O: A Review of Experimental Studies and Molecular Simulations in the bulk and in confinement (2024)

Modelling and Evaluation of CO2-based Electrothermal Energy Storage System (2023)

Deliverable 2.1: Geological scenarios and their characteristics

Deliverable 2.2: Assessment of the impact of geological conditions on the efficiency of the system

Deliverable 3.1: CEEGS Cycle, Relevant System Characterisation

Deliverable 6.2: Transversal intersectoral decarbonisation as GHG balance