Overview
Middle Street Substation is an operational electrical substation in Maine, United States, owned and operated by Central Maine Power Company. It operates at 115 kV, serving the local grid.
Middle Street Substation is an operational electrical substation located in Maine, United States. Owned and operated by Central Maine Power Company, the 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 in the United States. The substation falls under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) and must comply with North American Electric Reliability Corporation (NERC) reliability standards. As part of Central Maine Power's grid, it supports the integration of renewable energy sources and maintains grid stability in the region. The facility's equipment likely includes modern switchgear and protection systems aligned with ISO/IEC 61850 standards for substation automation. Located in Maine, the substation serves a mix of urban and rural communities, contributing to the reliability of electricity supply in the state. Its operational status ensures continued support for local industrial, commercial, and residential customers. The facility's location near the Androscoggin River region highlights its role in a geographically diverse area with seasonal weather challenges.
Environmental context
The substation is situated in a region with cold winters and variable weather, which can impact grid reliability. Its urban-rural setting requires robust design to withstand snow and ice loads. The facility's 115 kV voltage level is critical for distributing power from transmission lines to local distribution networks, supporting both residential and industrial loads.
Frequently asked questions
Middle Street Substation is located in Maine, United States, at coordinates 44.101182, -70.218779. It is owned and operated by Central Maine Power Company.
Middle Street Substation operates at a voltage of 115 kV, which is a common voltage level for sub-transmission and distribution substations in the United States.
Middle Street Substation is operated by Central Maine Power Company, a major electric utility serving central and southern Maine.
Substations in the United States must comply with NERC reliability standards and FERC regulations. Additionally, modern substations often adopt ISO/IEC 61850 for automation and communication.
A 115 kV substation steps down transmission-level voltage for distribution to local networks, ensuring reliable electricity supply to residential, commercial, and industrial customers.