Overview
Lagoon 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.
Lagoon 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, indicating it serves both sub-transmission and distribution functions. As part of Hawaiian Electric's network, it is subject to NERC reliability standards and FERC regulation for grid stability. Hawaii's electrical sector is transitioning toward renewable energy, with increasing integration of solar and wind power. Lagoon Substation contributes to the reliability of electricity supply in the region, supporting residential, commercial, and industrial customers. Its location in an urban area near Honolulu underscores its importance for local grid stability and community service.
Environmental context
The substation is situated in an urban area of Hawaii, where the electrical grid faces unique challenges due to island geography and reliance on imported fuels. The facility's voltage levels and operational status are critical for maintaining grid stability, especially as Hawaii integrates more renewable energy sources. The surrounding environment includes coastal and urban ecosystems, with potential impacts from electromagnetic fields and land use.
Frequently asked questions
Lagoon Substation is located in Hawaii, United States, near Honolulu. Its coordinates are approximately 21.33° N, 157.90° W.
Lagoon Substation operates at two voltage levels: 46 kV (sub-transmission) and 11.5 kV (distribution).
Lagoon 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 regulation for transmission-level assets. Local utilities must comply with state public utility commission rules.
Lagoon Substation helps distribute electricity from generation sources to consumers, supporting grid reliability in an island system that is isolated from mainland interconnections.