Overview
Bull Hill Substation is an operational electrical substation in Maine, United States, owned and operated by Versant Power. It operates at a voltage of 115 kV, serving the local grid.
Bull Hill Substation is an operational electrical substation located in Maine, United States. Owned and operated by Versant Power, the facility plays a role in the regional electrical infrastructure, stepping down transmission-level voltage for distribution to local consumers. The substation operates at 115 kV, a common voltage level for sub-transmission and distribution substations in North America. As part of the U.S. electrical grid, Bull Hill Substation operates under the regulatory framework established by the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). These bodies enforce reliability standards and oversee the interstate transmission of electricity. The substation's equipment likely includes circuit breakers, transformers, and switchgear compliant with industry standards such as IEEE and ANSI. The substation's location in Maine places it within the New England power grid, which is managed by ISO New England. This region has a diverse energy mix including natural gas, hydroelectric, and renewable sources. Bull Hill Substation contributes to grid stability and reliability for the surrounding community, supporting residential, commercial, and industrial electricity needs.
Environmental context
The substation is situated in a rural area of Maine, characterized by forests and low population density. Its operation involves electromagnetic fields and potential minor impacts from maintenance activities, but typical substations are designed to minimize environmental footprint. The 115 kV voltage level indicates it is a medium-scale facility, likely with oil-filled transformers that require spill containment measures. The surrounding ecosystem includes mixed hardwood forests and wetlands, which may be sensitive to construction or vegetation management practices.
Frequently asked questions
Bull Hill Substation is located in the state of Maine, United States, at coordinates 44.722517, -68.163798. It is owned and operated by Versant Power.
Bull Hill Substation operates at a voltage of 115 kV, which is typical for sub-transmission and distribution substations in the United States.
Bull Hill Substation is owned by Versant Power, a utility company serving parts of Maine.
Substations in the United States must comply with NERC reliability standards and FERC regulations. Equipment often follows IEEE and ANSI standards for safety and interoperability.
A 115 kV substation typically steps down transmission-level voltage (e.g., 115 kV) to lower distribution voltages for local use, or interconnects transmission lines. It is critical for grid stability and reliability.