Overview
Kekaha Substation is an operational electrical substation in Kekaha, Hawaii, owned and operated by Kauai Island Utility Cooperative. It handles voltages of 57.1 kV and 12.47 kV, serving the local grid on Kauai.
Kekaha Substation is an operational electrical substation located in Kekaha, on the island of Kauai, Hawaii, United States. The facility is owned and operated by Kauai Island Utility Cooperative (KIUC), a member-owned electric cooperative that serves the island's power needs. The substation operates at voltage levels of 57.1 kV and 12.47 kV, indicating it serves as a distribution substation stepping down transmission-level power for local distribution. As part of the U.S. electrical infrastructure, this substation operates under the regulatory framework of the Federal Energy Regulatory Commission (FERC) for wholesale electricity and the North American Electric Reliability Corporation (NERC) for reliability standards. KIUC, as a cooperative, is subject to state-level regulation by the Hawaii Public Utilities Commission. The substation's voltage levels are typical for distribution substations in rural and island settings, where lower voltages are used for local delivery. The substation plays a critical role in providing reliable electricity to the Kekaha community and surrounding areas on Kauai. Given Kauai's isolated grid, the substation's reliability is essential for maintaining power quality and supporting the island's renewable energy integration goals. KIUC has been actively incorporating solar and battery storage, making substations like Kekaha key nodes in a modernizing grid.
Environmental context
Kekaha Substation is situated in a rural coastal area on the western side of Kauai, characterized by dry lowland vegetation and proximity to the Pacific Ocean. The substation's location in an island environment means it is exposed to tropical weather patterns, including high humidity, salt spray, and potential hurricane risks. These conditions require robust infrastructure design and maintenance to ensure grid stability. The surrounding area includes agricultural lands and residential communities, with the substation supporting local energy needs while the island transitions toward renewable energy sources.
Frequently asked questions
Kekaha Substation is located in Kekaha, on the island of Kauai, Hawaii, United States. Its coordinates are approximately 21.9665 N, -159.7108 W.
Kekaha Substation operates at voltage levels of 57.1 kV and 12.47 kV, typical for a distribution substation stepping down transmission voltage for local use.
Kekaha Substation is owned and operated by Kauai Island Utility Cooperative (KIUC), a member-owned electric cooperative serving Kauai.
Substations in Hawaii operate under FERC jurisdiction for wholesale electricity and NERC reliability standards. State-level regulation is handled by the Hawaii Public Utilities Commission, which oversees utilities like KIUC.
Kekaha Substation is critical for distributing power to the Kekaha area on Kauai's isolated grid. It supports grid stability and enables integration of renewable energy sources like solar and battery storage.