Efficient bidding for hydro power plants in markets for energy and ancillary services
Abstract
In order to preserve stability of electricity supply generators must provide ancillary services in addition to energy production. Hydroelectric resources have significant ancillary service capability because of their dynamic flexibility. This paper suggests a solution for optimal bidding for hydro units operating in simultaneous markets for energy and ancillary services by estimating water shadow price from operating parameters of the hydro unit, expectations on prices of energy and ancillary services, and water availability. The model implications are illustrated on a numerical example of a hydro unit operating in markets of New York Independent System Operator. Participation in ancillary services market increases or decreases water shadow price depending on water availability. As a result of participation in ancillary services markets, a unit with water availability given by a capacity factor of 0.6 increases the value of existing generating capacity by 25% and nearly doubles the value of incremental generating capacity.Download Info
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Paper provided by Massachusetts Institute of Technology, Center for Energy and Environmental Policy Research in its series Working Papers with number 0603.Length:
Date of creation: Jan 2006
Date of revision:
Handle: RePEc:mee:wpaper:0603
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Keywords:This paper has been announced in the following NEP Reports:
- NEP-ALL-2006-08-12 (All new papers)
- NEP-COM-2006-08-12 (Industrial Competition)
- NEP-ENE-2006-08-12 (Energy Economics)
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- Anthony Horsley & Andrew J Wrobel, 1996. "Efficiency Rents of Storage Plants in Peak-Load Pricing, I: Pumped Storage," STICERD - Theoretical Economics Paper Series 301, Suntory and Toyota International Centres for Economics and Related Disciplines, LSE.
- Tjalling C. Koopmans, 1957. "Water Storage Policy in a Simplified Hydroelectric System," Cowles Foundation Discussion Papers 26, Cowles Foundation for Research in Economics, Yale University.
- Kranz, Bradley & Pike, Robert & Hirst, Eric, 2003. "Integrated Electricity Markets in New York," The Electricity Journal, Elsevier, vol. 16(2), pages 54-65, March.
- Chao, Hung-Po & Wilson, Robert, 2002. "Multi-dimensional Procurement Auctions for Power Reserves: Robust Incentive-Compatible Scoring and Settlement Rules," Journal of Regulatory Economics, Springer, vol. 22(2), pages 161-83, September.
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