Overview
Waiinu Substation is an operational electrical substation in Hawaii, United States, owned and operated by Maui Electric Company. It handles multiple voltage levels including 69 kV, 23 kV, and 12.47 kV.
Waiinu Substation is an operational electrical substation located in Hawaii, United States. Owned and operated by Maui Electric Company, this facility plays a key role in the local power distribution network, serving the island of Maui. The substation handles multiple voltage levels, including 69 kV for transmission and 23 kV and 12.47 kV for distribution, indicating its function as a step-down substation connecting the bulk power system to local distribution circuits. As part of the Hawaiian Electric grid, Waiinu Substation operates under the regulatory framework of the Hawaii Public Utilities Commission and adheres to NERC reliability standards for grid stability. The substation's voltage levels suggest it serves a medium-scale role, typical for substations supporting urban and suburban areas on the island. The use of multiple voltage levels allows for efficient power distribution to residential, commercial, and industrial customers. The substation is located in a region with a tropical climate and is subject to environmental considerations such as hurricane resilience and saltwater corrosion. Its operation is critical for maintaining reliable electricity supply to the surrounding community, supporting daily life and economic activities. The facility's integration into the broader Maui Electric grid underscores its importance in ensuring grid stability and power quality.
Environmental context
Located in a tropical island environment, Waiinu Substation faces unique environmental challenges including high humidity, salt spray, and the risk of hurricanes. These factors necessitate robust infrastructure design and maintenance practices to ensure reliability. The substation's location in a populated area of Maui also requires careful management of electromagnetic fields and noise to minimize community impact.
Frequently asked questions
Waiinu Substation is located in Hawaii, United States, on the island of Maui. Its approximate coordinates are 20.879403 N, -156.497020 W.
Waiinu Substation is an electrical substation that steps down high-voltage transmission power (69 kV) to lower distribution voltages (23 kV and 12.47 kV) for local delivery to homes and businesses in the Maui area.
Waiinu Substation is owned and operated by Maui Electric Company, a subsidiary of Hawaiian Electric Industries, which provides electricity to the island of Maui.
Substations in the US must comply with NERC reliability standards for grid stability and FERC regulations for transmission-level assets. State-level public utility commissions, such as the Hawaii Public Utilities Commission, also oversee safety and service quality.
Waiinu Substation operates at voltage levels of 69,000 volts (69 kV) for transmission, and 23,000 volts (23 kV) and 12,470 volts (12.47 kV) for distribution.