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Project acronym: ONSITE
Project full title: Operation of a Novel Sofc-battery Integrated hybrid for Telecommunication Energy systems

The overall objective of ONSITE is the development of a proof-of-concept based on SOFC/ZEBRA batteries hybrid technology with progress beyond state-of-the-art and towards the telecom market requirements.
Each separate subsystem, developed as a part of the final hybrid system, has its own set of objectives that is simulated and optimized for the Proof of Concept system objectives, to reach:
– longest possible lifetime,
– high system efficiency over the whole lifetime,
– high reliability (uptime),
– limited cost for operation and maintenance,
– competitiveness in terms of investment costs compared with conventional technologies.

Additionally, investigations will be carried out on the feasibility of combining the SOFC/ZEBRA  system with a heat pump, to discover the potential to boost the efficiency to a higher level and supply cooling as well.

The outcome of this project will enable the consortium to demonstrate a concept fulfilling telecom market requirements and will enable the partnership (primarily HTceramix as SOFC developer, FIAMM as system integrator, and Ericsson as OEM) to move to the next steps (industrialization & market) of field test readiness, together with a scale up in production and cost optimization.

The results and achievements will be disseminated by various means.
Further major objectives of the project are listed below.

  • Improvement of SOFC stack design
  • Optimization of a multi-stack system topology to develop a high power SOFC system
  • Design of a complete SOFC/ZEBRA high power system operating as a whole (i.e. including balance of plant, control system) capable of matching the varying power demands of a medium size TLC station ( > 20 kW, 0-100% modulation capability, cost reduction, etc.).
  • Integration of SOFC, ZEBRA battery pack and other balance of plant components into an application under challenging constraints, including limited volume, and stringent safety requirements and CE certification.
  • Repeated tests both in the lab and in field testing & trial of SOFC/ZEBRA performance to improve the understanding of degradation mechanisms, which will result in measures to reduce performance degradation.
  • Investigation of spin-off opportunities into other market sectors, especially Smart Grid, Smart Building and Rural electrification
  • Dissemination of information via a regularly updated website as well as publications and presentations at relevant conferences
  • Development of exploitation routes for bringing the new technology to market
  • Strengthening of the European position in this technological field

Link to the project website

EERA/ON-SITE project’ Workshop on Hybrid Energy and Energy Storage Systems




Ericsson Telecomunicazioni SpA  (ERC)

FIAMM Energy Storage Solutions srl (FIA)

HTceramix SA (HTC)

Bonfiglioli Vectron (VEC)

Instytut Energetyki (IEN)

Haute Ecole Spécialisée de Suisse Occidentale (HES)



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