Local energy and planned ramping product joint market based on a distributed optimization method

Zhong Zhang, Furong Li, Sung Won Park, Sung Yong Son

Research output: Contribution to journalArticlepeer-review

4 Citations (SciVal)


High penetration of renewable energy generation (REG) in the distribution system increases both the power uncertainty at a given interval and the power variation between two intervals. Reserve markets addressing power uncertainty have been widely investigated. However, there is a lack of market mechanisms regarding the power variation of the load and REGs. This paper thus defines a planned ramping (PR) product to follow the net load variation and extends the local energy market to include the trading of PR products. Players are economically compensated for their PR products. Bidding models of dispatchable generators and flexible load aggregators in the joint market are investigated. To solve the market problem in polynomial time, a distributed market clearing method is developed based on the ADMM algorithm. The joint market is tested on a modified IEEE 33-bus system. It verifies that introducing the PR market can encourage flexible loads to provide more PR service to accommodate the net load variation. As such, the ramping cost of dispatchable generators is reduced by 29.09% in the test case. The planned energy curtailment from REG is also reduced. The computational efficiency of the proposed distributed clearing method is validated by comparing it with a centralized method.

Original languageEnglish
Pages (from-to)1357-1368
Number of pages12
JournalCSEE Journal of Power and Energy Systems
Issue number6
Early online date30 Apr 2021
Publication statusPublished - 1 Nov 2021


  • Distributed market clearing
  • flexible load aggregator
  • local electricity market
  • planned ramping product
  • renewable energy generation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Electrical and Electronic Engineering


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