Overview
Crisfield Substation is an operational electrical substation in Maryland, United States, owned by Calpine Mid-Atlantic Generation LLC. It operates at 69 kV, serving as a key node in the regional transmission grid.
Crisfield Substation is an operational electrical substation located in Maryland, United States. Owned by Calpine Mid-Atlantic Generation LLC, the facility operates at a voltage of 69 kV, classifying it as a medium-voltage substation within the regional power grid. The substation plays a role in stepping down transmission-level power for local distribution. Operating under the jurisdiction of the Federal Energy Regulatory Commission (FERC) and subject to North American Electric Reliability Corporation (NERC) reliability standards, Crisfield Substation adheres to stringent grid stability and cybersecurity requirements. The 69 kV voltage level is typical for sub-transmission systems that connect bulk power sources to distribution networks, often serving industrial or densely populated areas. The substation's location in Maryland places it within the PJM Interconnection, one of the world's largest competitive wholesale electricity markets. Its operational status ensures continued support for regional load demands, contributing to grid resilience and energy delivery to end-users in the surrounding area.
Environmental context
Located in a coastal region of Maryland, the substation's operations are influenced by local environmental factors such as humidity and salt spray, which can accelerate corrosion of electrical equipment. Proximity to the Chesapeake Bay watershed necessitates adherence to environmental regulations regarding stormwater runoff and potential oil spill containment from transformers. The facility's design likely incorporates measures to mitigate these risks, such as sealed switchgear and proper drainage systems.
Frequently asked questions
Crisfield Substation is located in Maryland, United States, near coordinates 37.994124, -75.838224.
Crisfield Substation operates at 69 kV (69,000 volts), which is a medium-voltage level typical for sub-transmission systems.
Crisfield Substation is owned by Calpine Mid-Atlantic Generation LLC, a subsidiary of Calpine Corporation.
As a US substation, Crisfield Substation must comply with NERC reliability standards and FERC regulations, including requirements for grid stability, cybersecurity, and equipment maintenance.
A 69 kV substation typically serves as a sub-transmission node, stepping down higher transmission voltages (e.g., 138 kV or 230 kV) for distribution to industrial or residential areas, or stepping up generation for transmission.