Overview
Paaulio Substation is an operational electrical substation in Hawaii, United States, owned and operated by Hawaiian Electric Company. It handles voltages of 34,500 V and 4,160 V, supporting grid stability on the Big Island.
Paaulio Substation is an operational electrical substation located in Hawaii, United States, owned and operated by Hawaiian Electric Company. The facility serves as a key node in the local power grid, stepping down transmission-level voltages for distribution to residential and commercial customers. As part of the Hawaiian Electric system, it plays a vital role in delivering electricity across the island. The substation operates at voltage levels of 34,500 V and 4,160 V, typical for medium-voltage distribution substations. It is subject to regulatory oversight under the U.S. NERC reliability standards and FERC regulations for grid stability. The facility's equipment likely includes switchgear, transformers, and protection systems compliant with ISO/IEC 61850 substation automation standards, ensuring safe and efficient power flow. Located on the Big Island of Hawaii, Paaulio Substation contributes to the resilience of the island's electrical infrastructure, which faces unique challenges due to geographic isolation and volcanic terrain. The substation supports Hawaiian Electric's efforts to integrate renewable energy sources and maintain reliable service for communities in the region. Its operational status underscores its importance in the local energy landscape.
Environmental context
The substation is situated in a rural area of Hawaii's Big Island, characterized by volcanic landscapes and a tropical climate. The surrounding environment includes agricultural lands and natural habitats, which may be sensitive to electromagnetic fields and infrastructure maintenance activities. Hawaiian Electric adheres to environmental regulations to minimize impacts on local ecosystems, including measures to protect native species and manage vegetation near power lines.
Frequently asked questions
Paaulio Substation is located in Hawaii, United States, on the Big Island. Its coordinates are approximately 20.0377 N, -155.3645 W.
Paaulio Substation is an electrical substation that steps down high-voltage electricity from transmission lines to lower voltages for distribution to homes and businesses. It operates at 34,500 V and 4,160 V.
Paaulio Substation is owned and operated by Hawaiian Electric Company, the primary electric utility serving the Hawaiian Islands.
Substations in the United States must comply with NERC reliability standards for grid stability and FERC regulations for interstate electricity transmission. Additionally, ISO/IEC 61850 standards are often used for substation automation and communication.
Paaulio Substation helps maintain grid stability by regulating voltage levels and providing a connection point for power distribution. It supports Hawaiian Electric's efforts to ensure reliable electricity supply on the Big Island.