Overview
Walnut Hill (MWRA) Substation is an operational electrical substation in Massachusetts, USA, owned and operated by National Grid. It operates at 69 kV, serving the local grid.
Walnut Hill (MWRA) Substation is an electrical substation located in Massachusetts, United States. Owned and operated by National Grid, the facility is part of the regional transmission and distribution network. With an operational voltage of 69 kV, it is classified as a medium-voltage substation, typical for sub-transmission and distribution roles in the US grid. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). As a National Grid asset, it adheres to NERC reliability standards for grid stability and security. The 69 kV voltage level is common for connecting distribution networks to higher-voltage transmission lines, often serving urban or suburban load centers. Walnut Hill Substation plays a key role in the local electrical infrastructure, supporting the Massachusetts grid and the MWRA (Massachusetts Water Resources Authority) system. Its location in a populated area underscores its importance for reliable power delivery to residential, commercial, and municipal customers. The facility contributes to grid resilience and energy distribution in the region.
Environmental context
The substation is located in a suburban area of Massachusetts, where electrical infrastructure is integrated into a mixed residential and commercial landscape. The 69 kV voltage level indicates a medium-scale facility that supports local distribution without the environmental footprint of high-voltage transmission lines. Urban substations like this are designed to minimize visual impact and electromagnetic fields, often enclosed or landscaped. The surrounding environment includes typical New England vegetation and developed land, with the substation's operation subject to state and federal environmental regulations for noise, oil containment, and wildlife protection.
Frequently asked questions
Walnut Hill (MWRA) Substation is located in Massachusetts, United States, near coordinates 42.311162, -71.585155. It is owned and operated by National Grid.
Walnut Hill (MWRA) Substation operates at 69 kV (69,000 volts), which is a medium-voltage level commonly used for sub-transmission and distribution in the US electrical grid.
Walnut Hill (MWRA) Substation is owned and operated by National Grid, a major utility company serving the northeastern United States.
As a US electrical substation, Walnut Hill (MWRA) Substation operates under NERC reliability standards and FERC regulations. National Grid must comply with these for grid stability and security.
A 69 kV substation typically steps down voltage from higher transmission lines for local distribution, serving residential, commercial, and industrial customers. It is a critical node in the regional power grid.