Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/86657
Authors: 
Kilic, Mehtap
Huisman, Ronald
Year of Publication: 
2010
Series/Report no.: 
Tinbergen Institute Discussion Paper 10-070/2
Abstract: 
Electricity is not storable. As a consequence, electricity demand and supply need to be in balance at any moment in time as a shortage in production volume cannot be compensated with supply from inventories. However, if the installed power supply capacity is very flexible, variation in demand can be counterbalanced with flexible adjustment of production volumes. Therefore, supply flexibility can replace the role of inventory. In this paper, we question whether power production flexibility is a substitute for storability. To do so, we examine power futures prices from countries that differ in their power supply and test whether power futures prices contain information about expected future spot prices and risk premiums and examine whether futures prices from a market in which power supply is more flexible would lead to futures prices that are more in line with the theory of storage. We find the opposite; futures prices from markets with flexible power supply behave according to the expectations theory. The implicit view from futures prices is that flexibility is not a substitute for storability.
Subjects: 
Electricity futures prices
forward risk premium
theory of storage
expectations theory
JEL: 
G13
Document Type: 
Working Paper

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