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<p>Developing local renewable resources offers a sustainable solution for remote islands to meet electricity demands while minimizing greenhouse gas emissions, which contribute to climate change and sea level rise—one of the most serious threats to these islands. We propose a microgrid model for Phu Quy Island in Vietnam, located 110&#xa0;kms offshore, as an alternative to submarine interconnections for providing power to the island. The model integrates solar and wind power with storage systems and a minimal amount of diesel generation, sufficient to meet rapidly rising energy demand driven by robust tourism growth. Our findings confirm that microgrid solutions can replace traditional approaches that favor costly grid connections and thermal units for base load supply and that the cost of replacing all diesel generators with solar and wind could be excessive due to extreme requirements for energy storage. We discuss our results in the context of supply constraints in Vietnam and recommend that a microgrid model for isolated islands could offer unique values in the country’s clean energy transition.</p>

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The feasibility of developing locally distributed energy resources for small islands: a case study from Vietnam

  • 期刊论文

  • 发表日期：

    2026年1月20日

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  • Le Hong Lam,
  • Le Viet Phu,
  • Lam Truong Phuong Do

摘要

Developing local renewable resources offers a sustainable solution for remote islands to meet electricity demands while minimizing greenhouse gas emissions, which contribute to climate change and sea level rise—one of the most serious threats to these islands. We propose a microgrid model for Phu Quy Island in Vietnam, located 110 kms offshore, as an alternative to submarine interconnections for providing power to the island. The model integrates solar and wind power with storage systems and a minimal amount of diesel generation, sufficient to meet rapidly rising energy demand driven by robust tourism growth. Our findings confirm that microgrid solutions can replace traditional approaches that favor costly grid connections and thermal units for base load supply and that the cost of replacing all diesel generators with solar and wind could be excessive due to extreme requirements for energy storage. We discuss our results in the context of supply constraints in Vietnam and recommend that a microgrid model for isolated islands could offer unique values in the country’s clean energy transition.