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The literature on renewable energy suggests that an increase in intermittent wind generation would reduce the spot electricity market price by displacing high fuel-cost marginal generation. Taking advantage of a large file of Texas-based 15-min data, we show that while rising wind generation does indeed tend to reduce the level of spot prices, it is also likely to enlarge the spot-price variance....
In the last years, electricity markets have been changing from monopolies to liberalized markets, and consequently, with the entrance of new providers, there has been an increase of competitiveness. With the creation of open markets utilities faced the need to understand the way electricity prices change, in order to better develop bidding and hedging strategies. This paper focuses on the Spanish...
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