On windy days, Denmark tends to export electricity to its neighbours, and to import power on calm days. Storing electricity in this way thus allows the country to deal with the intermittency of wind generation. We show that this kind of behaviour is theoretically optimal when a region with wind...

Starting in 1998, the electricity market in England and Wales will be opened up to full competition, and all consumers will be allowed to choose their electricity supplier. This promises to result in lower prices, but there will be additional transactions costs exceeding £100 million a year for...

In an attempt to reduce high electricity prices in England and Wales, the government and regulator forced the largest generators to divest some plant in the late 1990s, and introduced New Electricity Trading Arrangements in March 2001. We use a supply function model to simulate prices from April...

Volatile fuel prices affect both the cost and price of electricity in a liberalised market. Generators with the price-setting technology will face less risk to their profit margins than those with a technology that is not price-setting, even if its costs are not volatile. Emissions permit prices...