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The unstable output of renewable energy sources, such as wind turbines or photovoltaics, causes various issues in power system operation. With a large number of renewable energy sources, it is well known that the supply and demand balance control becomes a difficult issue. In addition, together with the progress of the electric power deregulation, the power flow problem will be more complex and important...
Demand aggregators are new market players that represent a group of consumers in the electricity market. This paper proposes an aggregator model responsible for gathering residential and commercial consumers, which has the role of managing their flexible consumption in the day-ahead electricity market. A methodology to optimize the aggregator's bids is also presented. It optimizes the scheduling of...
This paper examines the value of load shifting (LS) and its impact on the scheduling and operation of large insular power systems which are typically characterized by high electricity generation cost and often by high Renewable Energy Resources (RES) share in the generation mix. An optimization model for the integration of load shifting in the unit commitment problem is presented and consecutive daily...
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