Hawaiian Electric Completes First Stage of Renewable Energy Projects on Three Island Grids

Strategic Insights -

Hawaiian Electric has successfully completed the first stage of a major renewable energy project, marking a significant milestone in the company's commitment to cleaner and more sustainable energy. The project, which consists of seven grid-scale renewable energy systems, adds 260 megawatts of clean power to the three island grids of Oahu, Maui, and Hawaii. The completion of this project is a testament to Hawaiian Electric's dedication to reducing its reliance on oil for power generation, with a goal of reaching 100% renewable energy by 2045.

Key Takeaways:

  • The first stage of the renewable energy project has added 260 megawatts of clean power to the three island grids, with a total of 260 MW of solar and 1,038 MWh of energy storage.
  • The seven projects included in the first stage are located on Oahu, Maui, and Hawaii, and were developed by various companies, including 174 Power Global.
  • The project represents a significant milestone in Hawaiian Electric's commitment to renewable energy, with the company having already reduced its use of oil for power generation by 57 million gallons annually.
  • The project's completion is a result of a competitive bidding process initiated by Hawaiian Electric in 2018, with construction delays due to the COVID-19 pandemic and global supply chain issues.
  • Hawaiian Electric has initiated two additional stages of project procurements, with the third stage beginning in 2022.
  • The company aims to reach 36% renewable energy across Oahu, Maui County, and Hawaii Island, with the goal of 100% renewable energy by 2045.

Statistics:

  • 260 megawatts of clean power added to the three island grids
  • 1,038 MWh of energy storage
  • 7 projects completed as part of the first stage
  • 260 MW of solar across the seven projects
  • 50 MWh and 208 MWh battery storage systems in Oahu
  • 240 MWh battery storage system in Maui
  • 120 MWh battery storage systems in Hawaii
  • 57 million gallons of oil reduction annually
  • 36% renewable energy across Oahu, Maui County, and Hawaii Island
  • Goal of 100% renewable energy by 2045

Sources:

  • Hawaiian Electric: "New solar + battery storage project completes first stage of renewable energy projects on 3 island grids" - July 23, 2025.
  • Hawaiian Electric: "Procurement for the first stage of projects started in 2018" - No date mentioned.