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Nuclear Capacity Auctions

Sven-Olof Fridolfsson and Thomas P. Tangeras

Year: 2015
Volume: Volume 36
Number: Number 3
DOI: 10.5547/01956574.36.3.sfri
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Abstract:
We propose nuclear capacity auctions as a means to correcting the incentives for investing in nuclear power. In particular, capacity auctions open the market for large-scale entry by outside firms. Requiring licensees to sell a share of capacity as virtual power plant contracts increases auction efficiency by mitigating incumbent producers' incentive to bid for market power. A motivating example is Sweden's policy reversal to allow new nuclear power to replace old reactors.



UK Electricity Market Reform and the Energy Transition: Emerging Lessons

Michael Grubb and David Newbery

Year: 2018
Volume: Volume 39
Number: Number 6
DOI: 10.5547/01956574.39.6.mgru
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Abstract:
The 2013 Electricity Market Reform (EMR) was a response to the twin problems of securing efficient finance for a new generation of low carbon investments, and delivering reliability along with a growing share of renewables in its energy-only market. Four EMR instruments combined to revolutionize the sector; stimulating unprecedented technological and structural change. Competitive auctions for both firm capacity and renewable energy have seen prices far lower than predicted and the entry of unexpected new technologies. A carbon price floor displaced coal, whose share fell from 46% in 1995 to 7% in 2017, halving CO2. Renewables grew from under 4% in 2008 to 22% by 2017, projected at 30+% by 2020 despite a political ban on onshore wind. Neither the technological nor regulatory transitions are complete, and the results to date highlight other challenges, notably to transmission pricing and locational signals. EMR is a step forwards, not backwards; but it is not the end of the story.





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