Overview
Rock Ridge Substation is an operational electrical substation in Maryland, United States, owned and operated by Baltimore Gas & Electric. It operates at 115 kV, serving the regional power grid.
Rock Ridge Substation is an operational electrical substation located in Maryland, United States. Owned and operated by Baltimore Gas & Electric, the facility plays a key role in the regional power distribution network. As a 115 kV substation, it falls within the medium-voltage range typical for sub-transmission and distribution systems in the United States. 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 serving industrial and large commercial loads, as well as interconnecting with higher-voltage transmission lines. The facility's location in Maryland places it within the PJM Interconnection, one of the largest regional transmission organizations in the U.S. Rock Ridge Substation contributes to grid stability and reliability for the surrounding area. As part of Baltimore Gas & Electric's infrastructure, it supports electricity delivery to customers in the Baltimore metropolitan region. The substation's operational status ensures continued service and integration with the broader electrical network.
Environmental context
The substation is situated in a suburban or rural area of Maryland, where land use may include residential, agricultural, or mixed development. Electrical infrastructure at this voltage level typically has a localized environmental footprint, with considerations for electromagnetic fields, noise from transformers, and vegetation management. The facility's operation aligns with state and federal environmental regulations, including those related to stormwater management and hazardous materials handling.
Frequently asked questions
Rock Ridge Substation is located in Maryland, United States, at coordinates 39.613774, -76.459928. It is owned and operated by Baltimore Gas & Electric.
Rock Ridge Substation operates at 115 kV (115,000 volts), which is a medium-voltage level commonly used for sub-transmission and distribution in the United States.
Rock Ridge Substation is owned and operated by Baltimore Gas & Electric, a utility company serving the Baltimore metropolitan area.
As part of the U.S. bulk power system, Rock Ridge Substation must comply with NERC reliability standards and FERC regulations. It also operates within the PJM Interconnection, which coordinates regional transmission.
A 115 kV substation steps down voltage from higher transmission lines for distribution to industrial, commercial, and residential customers. It also provides switching and protection functions to maintain grid stability.