Overview
Aiea Substation is an operational electrical substation in Hawaii, United States, owned and operated by Hawaiian Electric Company. It handles voltages of 46 kV and 11.5 kV, serving the local grid.
Aiea Substation is an electrical substation located in Aiea, Hawaii, United States. Owned and operated by Hawaiian Electric Company, the facility is part of the state's electrical infrastructure, stepping down transmission voltages for distribution to residential and commercial customers. The substation operates at voltage levels of 46 kV and 11.5 kV, typical for sub-transmission and distribution in the region. As a substation in the Hawaiian Electric grid, Aiea Substation operates under the regulatory framework of the Hawaii Public Utilities Commission (PUC) and adheres to NERC reliability standards for grid stability. The facility's dual voltage levels indicate its role in connecting higher-voltage transmission lines to lower-voltage distribution networks, a common configuration in island grids where space and load density vary. The substation supports the electrical needs of the Aiea community on Oahu, contributing to the resilience and reliability of the island's power supply. Given Hawaii's remote location and reliance on imported fuels, substations like Aiea play a critical role in maintaining grid stability and integrating renewable energy sources such as solar and wind.
Environmental context
Located in Aiea on the island of Oahu, the substation operates in a tropical climate with high humidity and occasional storms, which can affect equipment reliability. The surrounding area is a mix of residential and commercial development, with proximity to the coast. Substations in such environments require robust insulation and corrosion protection to withstand salt spray and moisture.
Frequently asked questions
Aiea Substation is located in Aiea, Hawaii, United States, on the island of Oahu.
Aiea Substation is owned and operated by Hawaiian Electric Company, the primary electric utility serving Oahu.
Aiea Substation operates at voltage levels of 46 kV and 11.5 kV, typical for sub-transmission and distribution in Hawaii.
Substations in Hawaii must comply with NERC reliability standards and are regulated by the Hawaii Public Utilities Commission (PUC) for safety and grid stability.
As part of Hawaiian Electric's grid, Aiea Substation helps distribute power to the Aiea area, supporting grid stability and enabling integration of renewable energy sources.