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Unified 3E modeling and capacity planning for micro-energy systems

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  • Chen, Jianrun
  • Yin, Xin
  • Liang, Zipeng
  • Chen, Xinquan
  • Chen, Haoyong
  • Srinivasan, Dipti

Abstract

Energy, exergy, and exergoeconomics (3E) analysis provides a systematic and comprehensive means of considering differences in quality and value among various types of energy in integrated energy systems (IESs). However, existing 3E frameworks for IES analysis are not sufficiently convenient, systematic, or comprehensive owing to a failure to evaluate exergoeconomic indicators from a long-term planning perspective and an absence of efficient methods for solving long-term models. The present work addresses these issues by developing a unified 3E analysis framework for micro-energy systems (MESs). First, a generalized and unified 3E analysis model is developed to capture system information comprehensively. Furthermore, 3E-based system capacity configuration and evaluation models are established for optimizing the exergy economics of users and evaluating 3E indicators across various paths and subsystems. Second, linearization methods and an improved Benders decomposition algorithm are employed to solve the optimization model efficiently within a limited solution time. Finally, the effectiveness of the proposed models and methods are verified based on the results of case studies involving an MES with combined cooling, heating, and electric energy forms.

Suggested Citation

  • Chen, Jianrun & Yin, Xin & Liang, Zipeng & Chen, Xinquan & Chen, Haoyong & Srinivasan, Dipti, 2026. "Unified 3E modeling and capacity planning for micro-energy systems," Energy, Elsevier, vol. 347(C).
    • Handle: RePEc:eee:energy:v:347:y:2026:i:c:s0360544226004524
    DOI: 10.1016/j.energy.2026.140349
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