$0.00$0.01$0.02$0.03$0.04$0.05$0.06$0.07$0.08$0.09$0.10$0.11$0.12$0.13$0.14$0.15$0.1619901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015
wind cost ($/kWh)
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