Ricerca sul Sistema Energetico (RSE S.p.A.) is an Italian research center that carries out research activities, in an experimental and applied perspective, on the entire electricity sector, with particular reference to strategic national and European projects.
RSE will be active in different tasks of the THEUS project and it will lead the work related to the development of a method for a transnational combined HVAC and HVDC transmission expansion planning of the future pan-European system and the investigations on the benefits of integrating DC links into existing MV distribution grids expansion studies, considering both capital and operational costs.

CEDER-CIEMAT focuses its activity on applied research, development and promotion of renewable energies, attached to the Energy Department of this public research organisation. Its I+D+i activities include the energy use of biomass, low-power wind turbines and the search for practical solutions for the integration of renewable generation sources and storage systems in smart microgrids.
In the THEUS project, CEDER-CIEMAT is leading work package 5 on the validation of technological solutions through three pilot environments. It is also involved in other tasks, such as technological coordination in the refinement of use cases and the definition of functional requirements in electricity grids, as well as the validation of protection algorithms and converter models in its microgrid (GRID 5).

ICCS was established in 1989 as an independent, non-profit research organization supporting the mission of the National Technical University of Athens. ICCS aims to promote basic and applied research, advance digitalization, and boost innovation, positioning itself among the top three research institutions in Greece.
In the THEUS project, ICCS is involved in the definition of policy recommendations and standardization activities.

The Institute for Automation of Complex Power Systems (ACS) at RWTH Aachen University is a multidisciplinary research centre advancing future energy systems through ICT, power electronics, and automation. Focusing on grid operations and control, ACS develops innovative, CO2-free solutions, pioneering efficient, reliable infrastructures for tomorrow’s clean energy demands.
ACS is the leader of Work Package 4 on advanced grid forming techniques and strategies for HV and MV hybrid grids. It will also focus on use cases validation based on grid forming.

Founded in 1303, it is the oldest university in Rome and the largest in Europe (122.000 students and 3576 professors). Its mission is to contribute to the development of the knowledge society through research, excellent and quality training and international cooperation.
In the THEUS project, Sapienza is leading WP2 and developing calculation tool for the design and management of MV-LV hybrid grids.

Sivas Cumhuriyet University (SCU) was founded in Sivas in 1974. The MOBILity and Energy ResearcherS (𝗠𝗢𝗕𝗜𝗟𝗘𝗥𝗦) team was established in 2021 and works in mobility, energy and information technology fields. The team has been involved in multiple international and national projects as a research partner and technology provider.
In the THEUS project, the SCU team will participate in various work packages and share on power grid experience from academic research and development activities.

As the world’s demand for electricity grows, ABB is electrifying the world in a safe, smart, and sustainable way as a global technology leader in electrical distribution and management. We collaborate with customers and partners to enable energy efficiency and power a sustainable future for society with our products, solutions, and digital technologies.
ABB has joined the THEUS project as a technology manufacturer, primarily focusing on system protection, and the development, testing, and validation of DC circuit breakers.

MORE is a subsidiary company of the MOTOR OIL Group and is dynamically active in the field of clean energy production. The company is currently operating ~839 MW of renewable production capacity, including wind farms, solar PVs and hydro plants. MORE has a portfolio of renewable and storage projects in various stages of development of more than 2.2 GW. The company implements projects of great value and importance in new, innovative energy valleys in the country.
MORE will gather and provide wind farms operational parameters as well as use cases validation.

IPTO is a large business group dedicated to ensuring that Greece’s electricity supply is adequate, secure, efficient, and reliable. As the operator of the Hellenic Electricity Transmission System, its mission is to facilitate smooth, safe, and uninterrupted electricity transmission while also managing the operation of the balancing market.
In the context of THEUS, IPTO acts as a key data provider for i) planning tools and methodologies for AC/DC hybrid networks and MVDC distribution grids, ii) operational tools for hybrid grids and microgrids, and iii) modeling of smart substations, while also leading efforts to facilitate international cooperation for HVDC interconnections in the Mediterranean region.

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Established in 1960, ASM Terni S.p.A. is an Italian multi-utility company, jointly owned by the Terni municipality and a consortium of private stakeholders. The company is active in several sectors, including electricity generation and distribution, maintenance and management of the gas network, environmental services, and water distribution.
In THEUS, ASM Terni plays the role of DSO, providing real data from the LV-MV power network of the city of Terni (GRID2) and validating in real case situations UC2: Operational planning and management of MV and LV DC and AC/DC hybrid distribution grids and UC4: Protection and control schemes for improved security, resilience and interoperability among multi-vendor and multi-terminal MV DC and LV DC systems.

GDZ Electricity is the provider of electricity, a vital resource that is essential for daily life and the driving force behind agriculture, trade, and industry. In addition to electricity distribution services, it is involved in the generation of energy using renewable energy sources. GDZ activities include constructing new distribution facilities, capacity expansions, network operation and maintenance, processing energy connection applications, and managing service contracts with consumers. It focuses on reducing technical and non-technical losses, minimizing outages, and ensuring a continuous electricity supply.
In THEUS, GDZ will share field data and network topology to meet the technical objectives of the MVDC grid implementation. (Grid3: Planned MVDC distribution grid in Manisa Province).

Since 2007 NTU has been delivering sustainable development projects and advisory services within engineering, policy, economics, and social fields. Through the completion of over 1200 international projects and studies, NTU has established itself as a leading consulting company adopting an interdisciplinary innovative approach to its services.
In the THEUS project, NTU will be responsible for the development of exploitation strategy and IPR plan.

EUREC, created in 1991, is the leading association of research centres and university departments active in the area of renewable energy. The purpose of the association is to promote and support the development of innovative technologies and human resources to enable a prompt transition to a more sustainable energy system.
EUREC leads the Communication and Dissemination activities of the project.