Overview
Ewa Beach Substation is an operational electrical substation in Hawaii, United States, owned and operated by Hawaiian Electric Company. It handles voltages of 46 kV and 12.47 kV, serving the local grid.
Ewa Beach Substation is an operational electrical substation located in Hawaii, United States. Owned and operated by Hawaiian Electric Company, this facility plays a key role in 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 12.47 kV, typical for distribution substations that connect high-voltage transmission lines to lower-voltage distribution networks. As part of the Hawaiian Electric grid, it adheres to NERC reliability standards and FERC regulations for grid stability and safety. Located in the Ewa Beach area of Oahu, this substation supports the growing energy demands of the region, including residential communities and nearby military installations. Its operation is critical for maintaining reliable power supply in a geographically isolated grid, where energy resilience is a priority.
Environmental context
Ewa Beach Substation is situated in a coastal urban area on Oahu, where the electrical grid faces unique challenges due to island geography and vulnerability to extreme weather events like hurricanes. The substation's location near residential zones requires careful management of electromagnetic fields and noise, while its role in distributing power supports local energy needs without direct environmental discharge.
Frequently asked questions
Ewa Beach Substation is located in Ewa Beach, Hawaii, United States, at coordinates 21.323302, -158.016601.
Ewa Beach Substation operates at voltage levels of 46 kV and 12.47 kV, typical for a distribution substation.
Ewa Beach Substation is owned and operated by Hawaiian Electric Company, the primary electric utility serving Oahu.
Substations in the United States must comply with NERC reliability standards for grid stability and FERC regulations for transmission-level assets, ensuring safe and reliable operation.
Substations like Ewa Beach step down high-voltage electricity from transmission lines to lower voltages for distribution to homes and businesses, playing a critical role in grid reliability.