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On Low Inertia Grids

Traditional power systems rely on conventional synchronous generators, whose output power is fully controllable, to satisfy the power demand at each time instant. With the increasing share of renewables in the grid, new stability and reliability problems arise in the power grid. The standard question is, what do we do if there is no sun…
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Large scale thermal energy storage systems: Ecovat

Ecovat is a Dutch company which constructs huge underground stratified thermal storage systems. Ecovat’s commercial storage system can be up to 50.000m³ large. That is the equivalent volume of 15 Olympic swimming pools. The aim of Ecovat is twofold. On the one hand they will provide thermal energy to a residential neighbourhood, large office buildings…
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Introduction to electricity markets, its balancing mechanism and the role of renewable sources

Introduction Unlike many other commodities or goods, massive storage of electricity is in general not affordable. In particular, when we look at the things that an average human being consumes on a daily basis, e.g. food, clothes, oil, gas, medicines, etc., we observe that most of them have the common feature of being stored somewhere…
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