According to the European Commission, Svenska Kraftnät, the Swedish network operator, might have violated competition rules by limiting cross-border transmission capacity to relieve congestion within Sweden. Eventually, the case was settled and Svenska Kraftnät offered commitments to address...

This paper derives the optimal mix of generation technologies in the electricity sector and discusses how this mix will be achieved in a perfectly competitive electricity market. It then studies the detrimental effect of a price cap on short-term profitability and long-run investment incentives...

We model the optimal regulation of continuous, irreversible, capacity expansion, in a model in which the regulated network firm has private information about its capacity costs, investments need to be financed out of the firm's cash flows from selling network access and demand is stochastic. If...

The high volatility of electricity markets gives producers and retailers an incentive to hedge their exposure to electricity prices. This paper studies how welfare and investment incentives are affected when markets for derivatives are introduced, and to what extent this depends on market...

In November 2011 Sweden abolished the uniform national electricity price and introduced separate price zones. This was the result of an antitrust settlement between the Commission and the Swedish network operator, which was accused of discriminating between domestic and export electricity...

We demonstrate how suppliers can take strategic speculative positions in derivatives markets to soften competition in the spot market. In our game, suppliers first choose a portfolio of call options and then compete with supply functions. In equilibrium firms sell forward contracts and buy call...