Overview
Hila 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.
Hila Substation is an electrical substation located in Hawaii, United States, owned and operated by Hawaiian Electric Company. The facility is operational and plays a role in the state's electrical infrastructure, which is isolated from mainland grids and relies on local generation and inter-island connections. The substation operates at voltage levels of 46 kV and 11.5 kV, typical for distribution and sub-transmission in Hawaii. As part of Hawaiian Electric's network, it is subject to NERC reliability standards and FERC regulation for grid stability. Hila Substation contributes to the reliability of electricity supply in the region, supporting residential, commercial, and industrial customers. Its location in Hawaii's urban corridor underscores its importance for grid stability, especially given the state's vulnerability to natural events and its renewable energy integration goals.
Environmental context
The substation is situated in a tropical island environment, where electrical infrastructure must withstand high humidity, salt spray, and occasional storms. Its urban location near Honolulu means it supports dense population centers and critical facilities. The age of switchgear and voltage levels influence environmental risk, with older equipment potentially posing higher fire or failure risks. Hawaiian Electric has been modernizing its grid to improve resilience and accommodate renewable energy sources.
Frequently asked questions
Hila Substation is located in Hawaii, United States, near coordinates 21.364664, -157.901892, likely in the urban area of Honolulu.
Hila Substation operates at 46 kV and 11.5 kV, which are typical for sub-transmission and distribution in Hawaii's electrical grid.
Hila Substation is owned and operated by Hawaiian Electric Company, the primary electric utility serving the island of Oahu.
Substations in the United States are subject to NERC reliability standards for grid stability and FERC regulations for transmission-level assets. State-level public utility commissions also oversee operations.
As part of Hawaiian Electric's network, Hila Substation helps distribute power from generation sources to customers, supporting grid stability in an island system that relies on local generation and inter-island cables.