ELSA: Energy Local Storage Advanced system

ELSA implements and demonstrates an innovative solution integrating low-cost second-life batteries and other direct and indirect storage options, including heat storage, demand-side management, as well as use of intermittent RES.

Integration of distributed small/medium size storage systems can allow operating distribution grids much more flexibly, thus realizing smart grid features like local demand-supply balancing, congestion relief, peak shaving and effective RES integration.

However, few technologically mature decentralized storage systems are commercially available today at affordable prices, while both viable business models and the underlying legal and regulatory framework are lagging behind.

The core idea of the project is to consider Storage as a Service towards building and district managers for local energy management optimization, and towards DSO for enhanced network operations.

ELSA adapts, builds upon, and integrates close-to-mature (TRL>=5) storage technologies and related ICT-based energy management systems for the management and control of local loads, generation and single or aggregated real or virtual storage resources, including demand response, in buildings, districts and distribution grids.

Data models ensuring interoperability among building, districts and DSOs and novel business models enabled by energy storage “as-a-service” are developed. Different configurations are demonstrated along six test sites, where a set of different storage technologies are integrated. Safety issues and social acceptance are dealt with by communication and product reliability demonstration.

A technical, economic and environmental validation, involving relevant stakeholders, are carried out to nurture the European-wide replication of the ELSA concept, to prepare the ground for a concrete roll out of the resulting technologies and to provide input for regulatory framework adaptation.

ELSA is a European consortium that brings together 10 international partners (including Engineering) representing 5 countries (France, Germany, Ireland, Italy and UK).