The Visible Hand: Ensuring Optimal Investment in Electric Power Generation
This article formally analyzes the various corrective mechanisms that have been proposed and implemented to alleviate underinvestment in electric power generation. It yields three main analytical findings. First, physical capacity certificates markets implemented in the United States restore optimal investment if and only if they are supplemented with a "no short sale" condition, i.e., producers can not sell more certificates than they have installed capacity. Then, they raise producers’ profits beyond the imperfect competition level. Second, financial reliability options, proposed in many markets, are effective at curbing market power, although they fail to fully restore investment incentives. If "no short sale" conditions are added, both physical capacity certificates and financial reliability options are equivalent. Finally, a single market for energy and operating reserves subject to a price cap is isomorphic to a simple energy market. Standard peak-load pricing analysis applies: under-investment occurs, unless production is perfectly competitive and the cap is never binding. This analysis highlight the limitations of the corrective mechanisms. This suggest that policy makers should first and foremost control and reduce the exercise of market power, then use these mechanisms as interim remedial measures.
|Date of creation:||Sep 2011|
|Date of revision:||Mar 2013|
|Publication status:||Published in The Energy Journal, vol. 37, n°2, 2016.|
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