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Integrating Hybrid Energy Solutions into Expressway Infrastructure

Author

Listed:
  • Muqing Yao

    (Anhui Wutong Changjiang Expressway Co., Ltd., Hefei 230051, China)

  • Zunbiao Wang

    (Anhui Wutong Changjiang Expressway Co., Ltd., Hefei 230051, China)

  • Song Zhang

    (Anhui Wutong Changjiang Expressway Co., Ltd., Hefei 230051, China)

  • Zhufa Chu

    (Anhui Wutong Changjiang Expressway Co., Ltd., Hefei 230051, China)

  • Yufei Zhang

    (School of Highway, Chang’an University, Xi’an 710064, China)

  • Shuo Zhang

    (School of Highway, Chang’an University, Xi’an 710064, China)

  • Wenkai Han

    (School of Highway, Chang’an University, Xi’an 710064, China)

Abstract

To explore the feasibility of renewable hybrid energy systems for expressway infrastructure, this study proposes a scenario-based design methodology integrating solar, wind, and hydropower resources within the expressway corridor. A case study was conducted on a highway service area located in southern China, where a solar/wind/hydro hybrid energy system was developed based on the proposed approach. Using the HOMER Pro 3.14 software platform, the system was simulated and optimized under off-grid conditions, and a sensitivity analysis was conducted to evaluate performance variability. The results demonstrate that the strategic integration of corridor-based natural resources—solar irradiance, wind energy, and hydrodynamic potential—enables the construction of a technically and economically viable hybrid energy system. The system includes 382 kW of PV, 210 kW of wind, 80 kW of hydrokinetic power, a 500 kW diesel generator, and 180 kWh of battery storage, forming a hybrid configuration for a stable and reliable energy supply. The optimized configuration can supply up to 1,095,920 kWh of electricity annually at a minimum levelized cost of energy of USD 0.22/kWh. This system reduces CO 2 emissions by 23.2 tons/year and NO x emissions by 23 kg/year. demonstrating strong environmental performance and long-term sustainability potential.

Suggested Citation

  • Muqing Yao & Zunbiao Wang & Song Zhang & Zhufa Chu & Yufei Zhang & Shuo Zhang & Wenkai Han, 2025. "Integrating Hybrid Energy Solutions into Expressway Infrastructure," Energies, MDPI, vol. 18(12), pages 1-18, June.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:12:p:3186-:d:1681327
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    References listed on IDEAS

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