Predicting Real-Time Locational Marginal Prices: A GAN-Based Approach

Zhongxia Zhang, Meng Wu

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Electricity market participants rely on data-driven methods using public market data to predict locational marginal prices (LMPs) and determine optimal bidding strategies, since they cannot access confidential power system models and operating details. In this paper, system-wide heterogeneous public market data are organized into a 3-dimensional (3D) tensor, which can store their spatio-temporal correlations. A generative adversarial network (GAN)-based approach is proposed to predict real-time locational marginal prices (RTLMPs) by learning the spatio-temporal correlations stored in the historical market data tensor. An autoregressive moving average (ARMA) calibration method is adopted to improve the prediction accuracy. Case studies using public market data from Midcontinent Independent System Operator (MISO) and Southwest Power Pool (SPP) demonstrate that the proposed method is able to learn spatio-temporal correlations among RTLMPs and perform accurate RTLMP prediction.

Original languageEnglish (US)
Pages (from-to)1286-1296
Number of pages11
JournalIEEE Transactions on Power Systems
Issue number2
StatePublished - Mar 1 2022


  • Generative Adversarial Networks (GAN)
  • Locational Marginal Price (LMP)
  • data driven
  • deep learning
  • multiple loss functions
  • price forecast

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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