Reducing Energy Supply Requirements Using Microgrids and Energy Storage

This project provides municipalities means to solve their energy supply problems, whilst also increasing the uptake of carbon-neutral energy through the simplified formation of electrical microgrids and closed electricity distribution grids.

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Through the use of electric microgrids, which are formed by a digital low voltage substation with an integrated energy storage system and a dedicated software platform it is possible to optimize the electricity consumption profile and compensate for the intermittent output of generators hence reducing the requirements for electricity supply. Instead of consuming electricity based on real-time demand, the solution enables to alter the electricity consumption profile which simplifies and accelerates the uptake of renewable energy solutions. Outcomes of the project are recommendations for policymakers and a concept of creating scalable microgrids solution.

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Additionally, empirical evidence from actual environments is used to carry out high-quality research focused on energy storage systems, cyber-security in electricity grids, energy policy, and markets. The pilots are carried out in Lääne-Harju Parish in Paldiski and in the City of Tartu. The extensive use of digital solutions in the electric power system requires increased emphasis on cyber security. One aim of the research is focused on increasing the security of cyber-physical systems through the implementation of secure-by-design principles. Another area of interest is the economic feasibility of energy storage systems for improving power quality in urban electricity distribution systems. Also, matters regarding energy markets and policies are investigated to compose recommendations for policymakers with the aim to simplify the integration of renewable energy into the existing electricity grid.​

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​The pilot project is 100% financed by the European Regional Development Fund and the Estonian Ministry of Education and Research.