Journal
ENERGY POLICY
Volume 37, Issue 8, Pages 3149-3158Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.enpol.2009.04.002
Keywords
Wind; Energy storage; Transmission
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In this work, we examine the potential advantages of co-locating wind and energy storage to increase transmission utilization and decrease transmission costs. Co-location of wind and storage decreases transmission requirements, but also decreases the economic value of energy storage compared to locating energy storage at the load. This represents a tradeoff which we examine to estimate the transmission costs required to justify moving storage from load-sited to wind-sited in three different locations in the United States. We examined compressed air energy storage (CAES) in three wind by wire scenarios with a variety of transmission and CAES sizes relative to a given amount of wind. In the sites and years evaluated, the optimal amount of transmission ranges from 60% to 100% of the wind farm rating, with the optimal amount of CAES equal to 0-35% of the wind farm rating, depending heavily on wind resource, value of electricity in the local market, and the cost of natural gas. (C) 2009 Elsevier Ltd. All rights reserved.
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