Overview
Maine Yankee 115kV Substation, operated by Central Maine Power Company, is an operational electrical substation in the United States. It operates at 115 kV, serving the regional grid.
Maine Yankee 115kV Substation is an electrical substation located in the United States, operated by Central Maine Power Company. The facility operates at a voltage of 115 kV, classifying it as a medium-voltage substation typical of regional distribution and sub-transmission networks. As part of the Central Maine Power grid, it plays a role in delivering electricity to local communities and industries. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which set reliability standards for the bulk power system. The 115 kV voltage level is common for sub-transmission systems that connect larger transmission lines to distribution networks, often serving urban and suburban areas. The facility's age and specific equipment are not detailed, but typical substations of this class include circuit breakers, transformers, and switchgear. Environmental and operational significance of this substation lies in its role in grid stability and power distribution. As part of the Central Maine Power network, it supports the region's energy needs, including residential, commercial, and industrial loads. The substation's location in Maine, a state with a mix of hydro, wind, and natural gas generation, contributes to the integration of renewable energy sources into the grid.
Environmental context
The substation is located in a region with a temperate climate, where seasonal weather variations can impact grid operations. Its voltage level and role in the distribution network make it critical for local grid stability, particularly during peak demand periods. The surrounding area includes a mix of rural and suburban land uses, with potential impacts on local ecosystems from infrastructure maintenance and electromagnetic fields.
Frequently asked questions
Maine Yankee 115kV Substation is located in the United States, with coordinates approximately 43.951486 N, -69.696826 W. It is operated by Central Maine Power Company.
The substation operates at 115 kV, which is a medium-voltage level commonly used for sub-transmission and distribution networks in the United States.
The substation is operated by Central Maine Power Company, a major electric utility serving central and southern Maine.
As part of the US bulk power system, the substation must comply with NERC reliability standards and FERC regulations. These standards cover grid reliability, cybersecurity, and maintenance practices.
A 115 kV substation typically steps down voltage from higher transmission lines (e.g., 230 kV or 345 kV) to distribution levels, or interconnects sub-transmission networks. It helps ensure reliable power delivery to local communities.