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Report RSE 17000233

Monitoring of test, demonstration and deployment activities in the field of smart grid and energy storage systems at international level

We present the results of mapping the main demonstration and deployment activities related to smart grid and grid-integrated energy storage that are being conducted in different parts of the world, in order to highlight potential synergies, gaps, overlaps with the priorities and the path followed in Europe. We have concluded that at transmission level R&I policies in Europe for storage integration should focus on large scale demonstrations which can be rapidly replicated. The activities in the field of distribution are at the state-of-the-art level and therefore policies should encourage the export of this know-how.

The present report aims at mapping the main demonstration and deployment activities and projects related to smart grid and grid-integrated energy storage that are being conducted in different parts of the world and at highlighting potential synergies, gaps, overlaps with the path followed in Europe. In particular, the report deals with major projects carried out in USA, Japan and China. The specific focus on grid-integrated energy storage activities has been motivated not only by the importance it has recently taken as one of the sources of flexibility in the power system, but also from the European Commission's guidelines that for the development of the new Research and Innovation Roadmap for grid-related activities of the next decade has considered it crucial to take into account its integration both at the transmission and distribution system level.

The analysis has highlighted that in Europe for smart grid demonstration and deployment activities, key obstacles and challenges still appear to be at the social and regulatory levels (rather than technical constraints). In the field of energy storage (considering also the relevant technologies), most efforts are research efforts. Only for electrochemical storage at distribution and end user levels, we can see a more or less full coverage of all technological levels (not only research, but also pilot and demonstration projects, up to pre-commercial deployment).

As for smart grid applications at international level, in the field of transmission R&I projects carried out outside Europe have reached much higher TRL levels than in Europe, for similar R&I activities. On the contrary, in the field of distribution TRL levels are roughly the same.

It has been shown that in all the non-European countries analysed, demonstration and deployment activities have enabled market players to develop their capabilities for advanced technologies and components, thus making them take the lead in the global marketplace.

From this analysis we can deduce some indications on the possible guidelines for R&I policies in Europe to integrate storage. In the field of transmission such policies should focus on large scale demonstrations which can be replicated rapidly in the power system. Emphasis should be put on developing knowledge which can be exported: design, simulations, and integration devices.

R&I activities in Europe in the field of distribution relative to the integration of storage are at the stateof- the-art level and therefore policies should encourage the export of this know-how.

The future work of the present research in the international framework will extend the analysis to test and demonstration activities of energy multi-carrier synergies.

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