Value of Energy Storage for Grid Applications (Report Summary) (Presentation)

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This analysis evaluates several operational benefits of electricity storage, including load-leveling, spinning contingency reserves, and regulation reserves. Storage devices were simulated in a utility system in the western United States, and the operational costs of generation was compared to the same system without the added storage. This operational value of storage was estimated for devices of various sizes, providing different services, and with several sensitivities to fuel price and other factors. Overall, the results followed previous analyses that demonstrate relatively low value for load-leveling but greater value for provision of reserve services. The value was estimated by taking the difference ... continued below

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36 p.

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Denholm, P.; Jorgenson, J.; Hummon, M.; Jenkin, T.; Palchak, D.; Kirby, B. et al. June 1, 2013.

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Description

This analysis evaluates several operational benefits of electricity storage, including load-leveling, spinning contingency reserves, and regulation reserves. Storage devices were simulated in a utility system in the western United States, and the operational costs of generation was compared to the same system without the added storage. This operational value of storage was estimated for devices of various sizes, providing different services, and with several sensitivities to fuel price and other factors. Overall, the results followed previous analyses that demonstrate relatively low value for load-leveling but greater value for provision of reserve services. The value was estimated by taking the difference in operational costs between cases with and without energy storage and represents the operational cost savings from deploying storage by a traditional vertically integrated utility. The analysis also estimated the potential revenues derived from a merchant storage plant in a restructured market, based on marginal system prices. Due to suppression of on-/off-peak price differentials and incomplete capture of system benefits (such as the cost of power plant starts), the revenue obtained by storage in a market setting appears to be substantially less than the net benefit provided to the system. This demonstrates some of the additional challenges for storage deployed in restructured energy markets.

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36 p.

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  • This is a general presentation - not for any conference in particular.; Related Information: NREL (National Renewable Energy Laboratory)

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  • Report No.: NREL/PR-6A20-58703
  • Grant Number: AC36-08GO28308
  • Office of Scientific & Technical Information Report Number: 1083373
  • Archival Resource Key: ark:/67531/metadc844478

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Office of Scientific & Technical Information Technical Reports

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  • June 1, 2013

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  • May 19, 2016, 9:45 a.m.

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  • April 5, 2017, 6:38 p.m.

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Denholm, P.; Jorgenson, J.; Hummon, M.; Jenkin, T.; Palchak, D.; Kirby, B. et al. Value of Energy Storage for Grid Applications (Report Summary) (Presentation), article, June 1, 2013; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc844478/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.