Co-Optimization of Electricity Transmission and Generation Resources for Planning and Policy Analysis: Review of Concepts and Modeling Approaches

Venkat Krishnan, Jonathan Ho, Benjamin Hobbs, Andrew Liu, James McCalley, Mohammad Shahidehpour, Qipeng Zheng

Research output: Contribution to journalArticlepeer-review

97 Scopus Citations

Abstract

The recognition of transmission’s interaction with other resources has motivated the development of co-optimization methods to optimize transmission investment while simultaneously considering tradeoffs with investments in electricity supply, demand, and storage resources. For a given set of constraints, co-optimized planning models provide solutions that have lower costs than solutions obtained from decoupled optimization (transmission-only, generation-only, or iterations between them). This paper describes co-optimization and provides an overview of approaches to co-optimizing transmission options, supply-side resources, demand-side resources, and natural gas pipelines. In particular, the paper provides an up-to-date assessment of the present and potential capabilities of existing co-optimization tools, and it discusses needs and challenges for developing advanced co-optimization models.

Original languageAmerican English
Pages (from-to)297-332
Number of pages36
JournalEnergy Systems
Volume7
Issue number2
DOIs
StatePublished - 1 May 2016

Bibliographical note

Publisher Copyright:
© 2015, Springer-Verlag Berlin Heidelberg.

NREL Publication Number

  • NREL/JA-5D00-66443

Keywords

  • AC and DC power flow
  • Co-optimization
  • Demand response
  • Energy storage
  • Generation expansion planning
  • Integrated network uncertainty
  • Long-term planning
  • Model fidelity
  • Transmission expansion planning

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