Overview
Holliston Substation is an operational electrical substation owned by Eversource in Holliston, Massachusetts, United States. It operates at 115 kV, supporting regional grid stability.
Holliston Substation is an operational electrical substation located in Holliston, Massachusetts, United States. Owned and operated by Eversource, a major utility in the Northeast, this facility plays a key role in the local power distribution network. The substation operates at a voltage of 115 kV, classifying it as a medium-voltage substation typical for sub-transmission and distribution functions. As part of the United States electrical infrastructure, Holliston Substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). These standards ensure grid reliability and security. The substation likely includes modern switchgear and protection systems compliant with industry standards such as IEEE C37, though specific equipment details are not disclosed. The substation serves the electrical needs of Holliston and surrounding communities, contributing to the resilience of the regional grid. Its location in a suburban area of Massachusetts underscores its role in supporting residential, commercial, and industrial loads. Eversource's ownership ensures adherence to stringent operational and maintenance protocols, minimizing downtime and enhancing service reliability.
Environmental context
Located in a suburban area of Massachusetts, Holliston Substation operates within a temperate climate with seasonal variations. The facility's 115 kV voltage level indicates a moderate footprint, with typical environmental considerations including electromagnetic field management and stormwater runoff control. The substation's design likely incorporates oil containment for transformers and noise mitigation measures, common for such infrastructure in residential-adjacent zones.
Frequently asked questions
Holliston Substation is located in Holliston, Massachusetts, United States, at coordinates 42.206611, -71.400928.
Holliston Substation operates at 115 kV, a medium-voltage level commonly used for sub-transmission and distribution in the United States.
Holliston Substation is owned and operated by Eversource, a major utility serving customers in Connecticut, Massachusetts, and New Hampshire.
Substations in the United States must comply with NERC reliability standards and FERC regulations, ensuring grid stability and security. Equipment often follows IEEE standards such as IEEE C37 for switchgear.
A 115 kV substation typically steps down transmission-level voltage for distribution to local networks, serving residential, commercial, and industrial customers. It also provides switching and protection functions to maintain grid reliability.