Overview
Kalaheo Substation is an operational electrical substation in Hawaii, owned and operated by Hawaiian Electric Company. It handles voltages of 46 kV and 12.47 kV, serving the local grid on the island of Oahu.
Kalaheo 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 12.47 kV, typical for distribution and sub-transmission in the Hawaiian Electric system. As part of the U.S. grid, it falls under NERC reliability standards and FERC regulation for transmission-level assets, though at these voltages it primarily serves local distribution needs. The facility's location in Hawaii means it supports a grid that is vulnerable to natural events like volcanic activity and hurricanes, requiring robust design and maintenance. Kalaheo Substation contributes to the reliability of electricity supply in its region, helping to distribute power from generation sources to residential and commercial customers. Hawaiian Electric Company has been investing in grid modernization and renewable energy integration, and substations like Kalaheo are critical for managing distributed solar and other resources. The facility's operational status ensures continued service to the community.
Environmental context
The substation is located in Hawaii, a state with a unique electrical grid that is isolated from the continental U.S. The local environment includes tropical climate conditions with high humidity and occasional severe weather, which can affect substation equipment and require robust insulation and maintenance. The area is also seismically active, with volcanic and earthquake risks that influence infrastructure design. It likely serves a mix of residential and commercial loads in the Kalaheo area.
Frequently asked questions
Kalaheo Substation is located in Hawaii, United States, at coordinates 21.428305, -157.754157. It is owned and operated by Hawaiian Electric Company.
Kalaheo Substation operates at voltage levels of 46 kV and 12.47 kV, which are typical for sub-transmission and distribution in the Hawaiian Electric system.
Kalaheo Substation is owned and operated by Hawaiian Electric Company, the primary electric utility serving the island of Oahu.
In the United States, substations are subject to NERC reliability standards for grid stability and FERC regulation for transmission-level assets. For distribution-level voltages like those at Kalaheo, state public utility commissions also oversee operations.
Kalaheo Substation helps distribute electricity from generation sources to local customers, supporting grid reliability in Hawaii's isolated power system. It also facilitates integration of renewable energy sources like solar and wind.