Overview
Millstone Substation is an operational electrical substation in Connecticut, United States, operated by Eversource. It operates at 345 kV, serving as a critical node in the regional transmission grid.
Millstone Substation is a high-voltage electrical substation located in Connecticut, United States, and operated by Eversource. The facility operates at 345 kV, placing it in the large-scale transmission category, essential for bulk power transfer and grid stability in the region. The substation is part of the US electrical infrastructure regulated by NERC reliability standards and FERC oversight for transmission-level assets. As a 345 kV facility, it likely employs modern switchgear and automation systems compliant with ISO/IEC 61850 standards for substation automation, ensuring efficient and reliable operation. Millstone Substation plays a key role in connecting the Millstone Nuclear Power Plant to the New England grid, supporting regional energy supply and grid resilience. Its coastal location in Connecticut requires robust design to withstand local weather conditions, including nor'easters and hurricanes, ensuring continuous power delivery to communities and industries.
Environmental context
The substation's location in coastal Connecticut places it in a region with significant weather risks, including hurricanes and winter storms, which can impact grid reliability. The 345 kV voltage level indicates its critical role in transmitting power from the Millstone Nuclear Power Plant, the largest power plant in New England, to the regional grid. This infrastructure supports the integration of renewable energy sources and helps maintain grid stability in a densely populated area.
Frequently asked questions
Millstone Substation is located in Connecticut, United States, near the Millstone Nuclear Power Plant. Its coordinates are approximately 41.3148° N, -72.1653° W.
Millstone Substation operates at 345 kV, which is a high-voltage transmission level used for bulk power transfer across long distances.
Millstone Substation is operated by Eversource, a major utility company serving Connecticut and other parts of New England.
As a transmission-level substation in the US, Millstone Substation is subject to NERC reliability standards and FERC regulations. It also likely complies with ISO/IEC 61850 for substation automation.
Millstone Substation connects the Millstone Nuclear Power Plant to the New England grid, providing a stable power source and supporting grid resilience during peak demand or emergencies.