NDLI: Evaluating Wind-Following and Ecosystem Services for Hydroelectric Dams in PJM

Content Provider	IEEE Xplore Digital Library
Author	Fernandez, A. Blumsack, S. Reed, P.
Copyright Year	2012
Abstract	Hydropower can provide inexpensive, flexible fill-in power to compensate for intermittent renewable generation. We model the decision of a hydroelectric generator to shift power capacity away from the day-ahead energy market into a "wind-following" service that smoothes the intermittent production of wind turbines. Seasonal wind patterns produce conflicts with "ecosystem services" -- the maintenance or enhancement of downstream ecosystems. We illustrate our decision model using the Kerr Dam in PJM's territory in North Carolina over a three-year period from normal water to extreme drought conditions. We use an optimization framework to estimate reservation prices offering wind-following services. Wind-following may be profitable at low capacity levels during some time periods if ecosystems services are neglected and if reserves-type payments are provided. Wind-following with ecosystem services yields revenue losses that typically cannot be recovered with reserves market payments. Water release patterns are inconsistent with ecosystem-services goals when providing wind-following, particularly in drought years.
Starting Page	1897
Ending Page	1906
File Size	760713
Page Count	10
File Format	PDF
ISBN	9781457719257
ISSN	15301605
e-ISBN	9780769545257
DOI	10.1109/HICSS.2012.256
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-01-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Generators Ecosystems Electricity Hydroelectric power generation Fluctuations Mathematical model Equations energy policy Hydroelectric power wind PJM drought
Content Type	Text
Resource Type	Article

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