Overview
Northfield Mountain is a 1,168 MW hydroelectric power plant in Massachusetts, USA, operated by FirstLight Power Resources. It is one of the largest pumped-storage hydroelectric facilities in New England.
Northfield Mountain is a hydroelectric power plant located in Massachusetts, United States, with a capacity of 1,168 MW, making it a large-scale facility in the region. The plant is owned and operated by FirstLight Power Resources and is classified as a pumped-storage hydroelectric station, playing a key role in grid stability and peak load management. The facility operates under the regulatory framework of the US Federal Energy Regulatory Commission (FERC) and complies with environmental standards set by the US Environmental Protection Agency (EPA) under the Clean Water Act and the National Environmental Policy Act (NEPA). As a hydroelectric plant, it produces zero direct emissions, contributing to low-carbon power generation. Northfield Mountain serves as a critical asset for balancing intermittent renewable energy sources like wind and solar in the New England grid. Its pumped-storage capability allows it to store excess energy and release it during high demand, enhancing grid reliability and supporting the region's transition to cleaner energy.
Environmental context
As a hydroelectric facility, Northfield Mountain has minimal air emissions but may affect local aquatic ecosystems through water flow regulation and reservoir management. The plant's location in the Connecticut River Valley requires adherence to state and federal water quality standards. Its pumped-storage operation can alter natural water levels, but it also supports renewable energy integration, reducing reliance on fossil fuels.
Frequently asked questions
Northfield Mountain is located in Massachusetts, United States, near the Connecticut River in Franklin County.
Northfield Mountain has a capacity of 1,168 megawatts (MW), making it one of the largest pumped-storage hydroelectric plants in New England.
Northfield Mountain is owned and operated by FirstLight Power Resources, a company that manages hydroelectric and energy storage assets in the northeastern US.
Hydroelectric plants in the US are regulated by the Federal Energy Regulatory Commission (FERC) for licensing and safety, and must comply with the Clean Water Act and National Environmental Policy Act (NEPA) for environmental impacts.
Pumped-storage hydroelectricity uses two reservoirs at different elevations. During low demand, water is pumped uphill to store energy; during high demand, water is released downhill through turbines to generate electricity.