Electricity capacity expansion in a Cournot duopoly

This paper adopts a real options approach to analyze marginal investments in power markets with heterogeneous technologies and time-varying demand. We compare the investment behavior of two firms in a Cournot duopoly to a central planner's when two categories of power plants are available; base...

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Bibliographic Details
Published in:	2017 14th International Conference on the European Energy Market (EEM) pp. 1 - 6
Main Authors:	Brondbo, Helene K., Storebo, Axel, Fleten, Stein-Erik, Boomsma, Trine K.
Format:	Conference Proceeding
Language:	English
Published:	IEEE 01-06-2017
Subjects:	Capacity expansion Companies duopoly Electric shock Investment Load modeling Motion segmentation Power generation Power markets real options social welfare
Online Access:	Get full text
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Summary:	This paper adopts a real options approach to analyze marginal investments in power markets with heterogeneous technologies and time-varying demand. We compare the investment behavior of two firms in a Cournot duopoly to a central planner's when two categories of power plants are available; base and peak load power plants. We find that producers exercise market power and the prices increase. Furthermore, the peak load plants become relatively more valuable and the share of installed peak load capacity exceeds the peak load share in a perfectly competitive market. In a numerical example, we show that this results in welfare losses above 10 %, and significantly larger reduction in the consumer surplus. Further, we examine the effect of analyzing power markets without time-varying demand and find that this underestimates investments in peak load capacity.
ISSN:	2165-4093
DOI:	10.1109/EEM.2017.7981928