Overview
Granite Ridge Substation is an operational electrical substation in New Hampshire, United States, owned and operated by National Grid. It handles voltages of 230 kV and 115 kV, serving as a key node in the regional transmission grid.
Granite Ridge Substation is an operational electrical substation located in New Hampshire, United States. Owned and operated by National Grid, the facility plays a critical role in the regional transmission network, stepping down high-voltage electricity for distribution to local communities and industries. The substation operates at dual voltage levels of 230 kV and 115 kV, indicating its function as a transmission-level facility interconnecting major power lines. As part of the U.S. electrical infrastructure, it falls under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) and must comply with North American Electric Reliability Corporation (NERC) reliability standards to ensure grid stability and security. Situated in a region with growing energy demands, Granite Ridge Substation supports the reliable delivery of electricity to residential, commercial, and industrial customers. Its strategic location within the New England power grid contributes to the overall resilience and operational flexibility of the regional electrical system.
Environmental context
The substation's location in New Hampshire places it within a region characterized by mixed forested landscapes and suburban development. Electrical infrastructure of this scale typically requires cleared rights-of-way and access roads, which can fragment habitats and alter local drainage patterns. However, modern substation designs incorporate measures such as oil containment systems and wildlife protection to mitigate environmental impacts. The facility's role in transmitting power from generation sources to load centers also influences regional air quality by enabling the integration of renewable energy sources.
Frequently asked questions
Granite Ridge Substation is located in New Hampshire, United States, at coordinates 42.904745, -71.423959.
Granite Ridge Substation operates at 230,000 volts (230 kV) and 115,000 volts (115 kV), typical for transmission-level substations.
Granite Ridge Substation is owned and operated by National Grid, a major utility company serving the northeastern United States.
As part of the U.S. bulk power system, Granite Ridge Substation must comply with NERC reliability standards and FERC regulations to ensure grid stability and security.
Substations like Granite Ridge transform voltage levels and route electricity between transmission lines, ensuring reliable power delivery to homes and businesses.