Optimal Sizing of Energy Storage Devices in Isolated Wind-Diesel Systems Considering Load Growth Uncertainty

Nhung Nguyen-Hong*, Huy Nguyen-Duc, Yosuke Nakanishi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

60 Citations (Scopus)


The development of wind power plants is an economical solution to provide energy to remote communities. For these isolated systems, the cogeneration of diesel generators and wind turbines is a typical configuration, but also poses several technical challenges regarding load balancing and frequency control. Auxiliary devices such as battery storages, flywheels, and dump loads are often needed to ensure a more stable operation and a higher penetration level of wind energy. However, the cost of these auxiliary devices can be substantial. This paper proposes a two-stage stochastic optimization framework to determine the optimal size of energy storage devices in a hybrid wind-diesel system. The optimization problem considers two main uncertain factors, namely the wind speed and the load growth rate. An efficient scenario reduction method is also proposed to reduce the computational burden. The optimization framework is tested with a realistic case study.

Original languageEnglish
Pages (from-to)1983-1991
Number of pages9
JournalIEEE Transactions on Industry Applications
Issue number3
Publication statusPublished - 2018 May 1


  • Energy storage
  • stochastic optimization
  • wind energy

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering


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