Overview
Newington 345kV Substation is an operational electrical substation in Newington, New Hampshire, owned and operated by Eversource. It operates at 345 kV, a high-voltage level critical for regional grid stability.
Newington 345kV Substation is a high-voltage electrical substation located in Newington, New Hampshire, United States. Owned and operated by Eversource, a major utility in the Northeast, the facility plays a key role in the regional transmission network. The 345 kV voltage level places it in the large-scale category for substations, serving as a backbone for power distribution across the area. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for bulk power systems. As a 345 kV facility, it is subject to stringent requirements for maintenance, cybersecurity, and operational planning. The equipment likely includes modern switchgear and automation systems compliant with industry standards. Environmentally, the substation is situated in a mixed urban-rural context near the Great Bay estuary. Its operation supports the integration of renewable energy sources and ensures reliable electricity supply to residential, commercial, and industrial customers in southeastern New Hampshire. The facility's high voltage enables efficient long-distance power transmission, reducing line losses and supporting grid resilience.
Environmental context
The substation is located in Newington, New Hampshire, near the Great Bay estuary, an ecologically sensitive area. High-voltage infrastructure like this can impact local wildlife through electromagnetic fields and habitat fragmentation, though modern design mitigates these effects. The facility's role in grid stability supports the integration of renewable energy, contributing to regional carbon reduction goals.
Frequently asked questions
Newington 345kV Substation is located in Newington, New Hampshire, United States, near the Great Bay estuary.
The substation is owned and operated by Eversource, a major utility serving the Northeast United States.
The substation operates at 345 kV, which is a high-voltage level used for bulk power transmission across long distances.
As part of the US bulk power system, the substation must comply with NERC reliability standards and FERC regulations, including requirements for cybersecurity and maintenance.
A 345 kV substation is critical for transmitting large amounts of electricity efficiently, reducing losses, and integrating renewable energy sources into the grid.