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A real options approach to generation capacity expansion in imperfectly competitive power markets

Brøndbo, Helene Kvilhaug; Storebø, Axel; Fleten, Stein-Erik; Boomsma, Trine Krogh
Journal article, Peer reviewed
Accepted version
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Brondbo_et_al_ES_2017.pdf (762.9Kb)
Permanent lenke
http://hdl.handle.net/11250/2593571
Utgivelsesdato
2019
Metadata
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  • Institutt for industriell økonomi og teknologiledelse [1968]
  • Publikasjoner fra CRIStin - NTNU [21844]
Originalversjon
https://doi.org/10.1007/s12667-019-00325-3
Sammendrag
This paper proposes a real options approach to generation capacity expansion in imperfectly competitive power markets. Our framework incorporates firms with different levels of market power; heterogeneous technologies, including renewables, base load and peak load; time-varying short-term demand and renewable supply; and long-term demand uncertainty. A real options model allows us to obtain technology-specific thresholds for demand to trigger investment. We apply our model to the German power market and show that a doubling of current demand triggers renewable investment, whereas base load generation requires over 50 times current demand on average. The availability of peak load generation serves to avoid rationing and reduce fluctuations in the electricity price. In the absence of incentive mechanisms, however, demand does not become sufficiently high to trigger investment in this technology. We investigate at which level capacity payments to peak power plants prevent rationing without reducing investments in renewables. Furthermore, by accounting for market power, we illustrate that strategic firms do not increase their market shares over time but hold back investment until market prices are sufficiently high for price-taking firms to expand capacity. As a result, the intensity of competition increases over time.
Utgiver
Springer Verlag
Tidsskrift
Energy Systems, Springer Verlag

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