Hanna Substation - Operational Substation in Washington, United States

Hanna Substation is an operational electrical substation situated in Washington State, United States. As a substation, it serves as a node in the electrical grid, facilitating voltage transformation and power distribution to local communities and industries. The facility is part of the broader North American power system, which is regulated by standards from the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). Substations of this type typically operate at transmission or sub-transmission voltages, ranging from 69 kV to 500 kV. The substation's location in Washington State places it within the Western Interconnection, one of the major power grids in the United States. The region's electrical infrastructure is influenced by hydroelectric power from the Columbia River basin and growing renewable energy sources. Operationally, Hanna Substation contributes to grid stability and reliability in its area. Substations are critical for managing power flows and ensuring electricity reaches end-users. The facility's role in the local grid supports residential, commercial, and industrial activities, underscoring its importance to the regional energy landscape.

The substation is located in Washington State, a region with diverse geography including mountains, forests, and agricultural areas. The local electrical infrastructure must balance reliability with environmental considerations, such as minimizing land use and avoiding sensitive habitats. Substations like Hanna are typically designed with environmental safeguards, including oil containment systems for transformers and noise mitigation measures. The area's climate, with seasonal variations, influences grid operations and maintenance practices.