Overview
Uncasville Substation is an operational electrical substation in Connecticut, United States, owned and operated by Eversource. It operates at 115 kV, serving the local grid.
Uncasville Substation is an operational electrical substation located in Connecticut, United States. Owned and operated by Eversource, a major utility in the Northeast, this facility plays a key role in the regional power distribution network. The substation operates at a voltage of 115 kV, which is typical for sub-transmission and distribution-level infrastructure, serving industrial and residential loads in the area. As part of the U.S. electrical grid, Uncasville Substation operates under the regulatory framework established by the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). These standards ensure grid reliability and security, including compliance with NERC's Critical Infrastructure Protection (CIP) standards. The substation likely employs modern automation and protection systems, such as those based on IEC 61850, to enhance operational efficiency and safety. The substation's location in Connecticut places it within the ISO New England (ISO-NE) regional transmission organization, which coordinates the wholesale electricity market and ensures grid stability across the six New England states. Uncasville Substation contributes to the reliable delivery of electricity to local communities and businesses, supporting the region's energy needs and economic activity.
Environmental context
The substation is situated in a mixed urban and suburban area of Connecticut, near the Thames River. Its operation involves electromagnetic fields and potential impacts on local wildlife, though modern substations are designed to minimize environmental disturbance. The facility's 115 kV voltage level indicates it is part of the distribution network, which typically has lower environmental footprint compared to high-voltage transmission lines.
Frequently asked questions
Uncasville Substation is located in Connecticut, United States, near the Thames River. Its coordinates are approximately 41.43° N, -72.12° W.
Uncasville Substation operates at 115 kV, which is a common voltage for sub-transmission and distribution substations in the United States.
Uncasville Substation is owned and operated by Eversource, a major utility company serving customers in Connecticut, Massachusetts, and New Hampshire.
As part of the U.S. electrical grid, Uncasville Substation must comply with NERC reliability standards and FERC regulations. It also operates within the ISO New England market.
A 115 kV substation typically steps down transmission voltage to distribution levels, supplying power to local industrial, commercial, and residential customers. It also provides switching and protection functions.