An equilibrium pricing model for wind power futures

Generation from wind power plants is intermittent and affects profits of wind power generators and conventional generators alike. Currently, generators have limited options for transferring the resulting wind-related volume risks. The European Energy Exchange (EEX) recently introduced exchange-traded wind power futures to address this market imperfection. G. Gersema and Prof. Dr. D. Wozabal propose a stylized equilibrium pricing model featuring two representative agents and analyze equilibrium prices as well as the mechanics behind risk premia for wind power futures. They calibrate and simulate stochastic models for wind power generation, power prices, electricity demand, as well as other relevant sources of uncertainty and use the resulting scenarios to conduct a case study for the German market; analyzing prices, hedging effectiveness, and risk premia. Their main result suggests that wind generators are willing to pay an insurance premium to conventional generators to reduce their risks. They conduct a thorough sensitivity analysis to test the influence of model parameters and find that their results on risk premia hold for a broad range of reasonable inputs.

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