Implications of prosumers’ different modes of operation for electricity networks

As the share of variable and uncertain renewable energy sources increases in the power system and fossil fuel generation are either phased out or retired, alternative sources of flexibility are required. Demand-side flexibility represents an important new resource in this respect.  In this study, we construct a bottom-up model to estimate the flexibility offered by household prosumers to the grid under different climate types (dry climates, moist subtropical mid-latitude climates and, moist continental mid-latitude climates) as different climate types will result in different solar PV potentials. Based on the metrological data, it has been estimated that most western European countries have an average of 11 to 19 TWh solar rooftop potential per 500 thousand households in one year. To handle this amount of solar energy, an optimized prosumer strategy is of great importance. This study tries to outline opportunities and challenges presented by prosumers acting on the network and suggests optimized prosumers strategies that can yield grid-stabilizing effects to manage increased levels of rooftop solar energy in the future.

By: Amir H. Keshavarzzadeh

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Electricity Programme

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