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A Decision-Support System Based on Particle Swarm Optimization for Multiperiod Hedging in Electricity Markets

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3 Author(s)
Azevedo, F. ; Polytech. of Porto, Porto ; Vale, Z.A. ; de Moura Oliveira, P.B.

This paper proposes a particle swarm optimization (PSO) approach to support electricity producers for multiperiod optimal contract allocation. The producer risk preference is stated by a utility function (U) expressing the tradeoff between the expectation and variance of the return. Variance estimation and expected return are based on a forecasted scenario interval determined by a price range forecasting model developed by the authors. A certain confidence level alpha is associated to each forecasted scenario interval. The proposed model makes use of contracts with physical (spot and forward) and financial (options) settlement. PSO performance was evaluated by comparing it with a genetic algorithm-based approach. This model can be used by producers in deregulated electricity markets but can easily be adapted to load serving entities and retailers. Moreover, it can easily be adapted to the use of other type of contracts.

Published in:

Power Systems, IEEE Transactions on  (Volume:22 ,  Issue: 3 )