Overview
Granite Substation is an operational electrical substation in Maryland, United States, owned and operated by Baltimore Gas and Electric. It operates at voltage levels of 230 kV and 115 kV, serving the regional grid.
Granite Substation is an operational electrical substation located in Maryland, United States. Owned and operated by Baltimore Gas and Electric, the facility plays a key role in the regional transmission network. The substation operates at high voltage levels of 230 kV and 115 kV, indicating its importance in stepping down transmission voltages for distribution. The substation's technical specifications include dual voltage levels of 230,000 volts and 115,000 volts, typical for a transmission substation interconnecting the bulk power system with subtransmission networks. As part of the PJM Interconnection, the facility adheres to NERC reliability standards and FERC regulations, ensuring grid stability and compliance with mandatory reliability requirements. Granite Substation serves the Baltimore metropolitan area, providing critical infrastructure for electricity delivery to residential, commercial, and industrial customers. Its location in a densely populated region underscores its significance in maintaining reliable power supply. The facility's operational status and integration into the larger grid highlight its role in supporting energy security and economic activity in the region.
Environmental context
The substation is situated in a suburban area of Maryland, characterized by mixed residential and commercial land use. The surrounding environment includes proximity to natural habitats and waterways, requiring careful management of potential impacts such as electromagnetic fields and stormwater runoff. The facility's design and operation likely incorporate measures to minimize environmental footprint, including containment systems for insulating fluids and adherence to local environmental regulations.
Frequently asked questions
Granite Substation is located in Maryland, United States, at coordinates 39.339220, -76.839367. It serves the Baltimore metropolitan area.
Granite Substation operates at 230,000 volts (230 kV) and 115,000 volts (115 kV), typical for a transmission substation.
Granite Substation is owned and operated by Baltimore Gas and Electric, a utility serving central Maryland.
As part of the US electrical grid, Granite Substation must comply with NERC reliability standards and FERC regulations, ensuring grid stability and security.
Substations like Granite step down high transmission voltages to lower levels for distribution, and also serve as switching points to route power and isolate faults, maintaining grid reliability.