Overview
Makakilo 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.
Makakilo 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, 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. The facility's location in the Makakilo area of Oahu supports the growing energy demands of the region. Environmentally, the substation is situated in a suburban area near the coast, where grid reliability is critical due to Hawaii's isolated island grid. The facility contributes to the resilience of the local power system, ensuring stable electricity supply for homes and businesses. Its operational status and integration with renewable energy sources align with Hawaii's clean energy goals.
Environmental context
Located in the suburban Makakilo area of Oahu, Hawaii, the substation operates in a region with a tropical climate and high energy demand from residential and commercial sectors. The island's isolated grid requires robust infrastructure to maintain stability, especially with increasing integration of solar and wind power. The substation's coastal proximity necessitates resilience against salt spray and hurricane risks, typical for Hawaiian electrical assets.
Frequently asked questions
Makakilo Substation is located in the Makakilo area on the island of Oahu, Hawaii, United States, at coordinates 21.358284, -158.088913.
Makakilo Substation operates at voltage levels of 46 kV and 12.47 kV, typical for a distribution substation stepping down transmission voltage for local distribution.
Makakilo Substation is owned and operated by Hawaiian Electric Company, the primary electric utility serving the island of Oahu.
Substations in the United States must comply with NERC reliability standards for grid stability and FERC regulations for interstate transmission. Additionally, local state regulations and ISO/RTO requirements apply.
Makakilo Substation helps distribute electricity from transmission lines to local distribution networks, supporting residential and commercial customers in the Makakilo area. It plays a role in maintaining grid reliability and integrating renewable energy sources as part of Hawaii's clean energy transition.