Customer Risk from Real-Time Retail Electricity Pricing: Bill Volatility and Hedgability

Severin Borenstein

The Energy Journal, 2007, vol. Volume 28, issue Number 2, 111-130

Abstract: One of the most critical concerns that customers have voiced in the debate over real-time retail electricity pricing is that they would be exposed to risk from fluctuations in their electricity cost. The concern seems to be that a customer could find itself consuming a large quantity of power on the day that prices skyrocket, resulting in a high monthly bill. I analyze the magnitude of this risk, using demand data from 1142 large industrial customers, and then ask how much of this risk can be eliminated through various straightforward financial instruments. I find that very simple hedging strategiesÑforward purchase contracts that are already used with many RTP programsÑcan eliminate more than 80% of the bill volatility that would otherwise occur. I then show that a slightly more sophisticated application of these forward power purchases can significantly enhance their effect on reducing bill volatility.

JEL-codes: F0 (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (19)

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Working Paper: Customer Risk from Real-Time Retail Electricity Pricing: Bill Volatility and Hedgability (2006)
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