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The short-term impact of diversifying a thermally dominant generation mix with varying degrees of renewable resources, notably wind and hydro, is assessed in this paper. This assessment accounts for the main technical and/or physical limitations to such diversification, namely, ramp and reserve requirements and hydro energy limits, and determines the most economic levels of wind integration and installed...
Large-scale integration of renewable energy sources in today's European hydro-thermal dominated power system will challenge its future operation. In Northern Europe wind power production is expected to contribute the main share to renewable energy sources. Wind forecasting and its inherent forecast error lead to increasing system imbalances. This will require higher production flexibility and more...
This paper quantitatively examines the effect of weather uncertainty on the traded volume of energy spot prices. Traded volume is driven by agents' anticipation of numerous factors of limited predictability, such as renewable energy in-feed or volatile fuel prices. Such stochasticity leads to volume time-series with noise like characteristics. The goal of our study is to investigate if there are structural...
This paper studies the impact of wind generation on system balancing costs. The paper makes use of a novel and rich dataset on half-hourly and five-minute generation by fuel and generation type and system balancing prices and volumes made available by the UK market and systems operator for every period from November 2008 to November 2011. An econometric cost function approach is used, where the total...
Traditionally O&M for wind power generation systems aims at reducing the overall maintenance cost and improving the availability of the systems. The increasing importance of energy markets together with the foreseen reduction in incentive schemes for renewable energy require to extend the classic maintenance decision process and to consider also market and weather information. In this paper, we...
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