Overview
Keahole Substation is an operational electrical substation in Hawaii, United States, owned and operated by Hawaiian Electric Company. It handles voltages of 69 kV and 12.47 kV, serving the local grid.
Keahole Substation is an operational electrical substation located in Hawaii, United States. Owned and operated by Hawaiian Electric Company, the facility plays a key role in the state's electrical infrastructure, which is isolated from mainland grids and relies on a mix of fossil fuels and renewable energy sources. The substation operates at voltage levels of 69 kV and 12.47 kV, typical for distribution and sub-transmission in the region. As part of the Hawaiian Electric system, it adheres to NERC reliability standards and FERC regulations, ensuring grid stability and safety. The facility's location on the Big Island's west coast supports the local power distribution network. Keahole Substation contributes to the resilience of Hawaii's electrical grid, which faces unique challenges due to its island geography. The facility helps integrate renewable energy sources like solar and wind, supporting the state's goal of 100% renewable electricity by 2045. Its operational status ensures reliable power supply to residential and commercial customers in the area.
Environmental context
The substation is situated in a coastal region of Hawaii, an area with high solar and wind energy potential. The facility's role in grid stability is critical for integrating variable renewable sources, reducing reliance on imported fossil fuels. The local environment includes volcanic terrain and marine ecosystems, requiring careful management of infrastructure to minimize ecological impact.
Frequently asked questions
Keahole Substation is located in Hawaii, United States, near the west coast of the Big Island at coordinates 19.732408, -156.029396.
Keahole Substation operates at 69 kV and 12.47 kV, serving as a distribution and sub-transmission substation.
Keahole Substation is owned and operated by Hawaiian Electric Company, the primary electric utility serving Hawaii.
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.
Keahole Substation helps integrate renewable energy sources like solar and wind into the grid, supporting Hawaii's target of 100% renewable electricity by 2045.