The main motivation to deregulate Finnish electricity markets and introduce competition to the industry was to improve efficiency and obtain lower prices. In this paper we use a numerical simulation model in order to analyse the impact of market structure to the wholesale price of electricity....

In most wholesale electricity markets generators must submit step-function offers of supply to a uniform price auction, and the market is cleared at the price of the most expensive offer needed to meet realised demand. Such markets can most elegantly be modelled as the pure-strategy, Nash...

This paper characterizes the Nash equilibrium in a pay-as-bid (discriminatory), divisible-good, procurement auction. Demand by the auctioneer is uncertain as in the supply function equilibrium model. A closed form expression is derived. Existence of an equilibrium is ensured if the hazard rate...

We use experiments to study the efficiency effects for a market as a whole of adding the possibility of forward contracting to a pre-existing spot market. We deal separately with the cases where spot market competition is in quantities and where it is in supply functions. In both cases we...

The concept of a supply function equilibrium (SFE) has been widely used to model generators’ bidding behavior and market power issues in wholesale electricity markets. Observers of electricity markets have noted how generation capacity constraints may contribute to market power of generation...

In 2000-2001 the California energy crisis cost billions of dollars and the blackouts endangered lives. The causes of the crisis were contested along partisan lines. Republicans (and neo-classical economists) argued that “a perfect storm” of increased demand and reduced supply triggered the...

In the process of regulatory reform in the electric power industry, the mitigation of market power is one of the basic problems regulators have to deal with. We use experimental data to study the sources of market power with supply function competition, akin to the competition in wholesale...

This work analyses the effects and potential consequences of deregulating the Chilean electricity generating market. It proposes a model generation system to which non-cooperative game theory is applied within a static and dynamic context. Similar studies for purely thermal systems have been...

The concept of a supply function equilibrium (SFE) has been widely used to study generators' bidding behavior and market power issues in wholesale electricity markets. Observers of electricity markets have noted the important role that pivotal suppliers, those who can substantially raise the...

Modelling price formation in electricity markets is a notoriously difficult process, due to physical constraints on electricity generation and flow. This difficulty has inspired the recent development of bottom-up agent-based models of electricity markets. While these have proven quite...