Overview
Iliff Substation is an operational electrical substation in New Jersey, United States, owned and operated by Jersey Central Power and Light. It operates at 230 kV and 12.47 kV, serving as a key node in the regional transmission and distribution netwo
Iliff Substation is an operational electrical substation located in New Jersey, United States. Owned and operated by Jersey Central Power and Light (JCP&L), a subsidiary of FirstEnergy, the facility plays a critical role in the regional power grid. The substation handles high-voltage transmission at 230 kV and distribution-level voltage at 12.47 kV, indicating its function as a step-down substation connecting the bulk transmission system to local distribution networks. As part of JCP&L's infrastructure, Iliff Substation operates under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) for wholesale electricity markets and the New Jersey Board of Public Utilities (BPU) for retail service. The facility adheres to North American Electric Reliability Corporation (NERC) reliability standards, ensuring grid stability and compliance with mandatory cybersecurity and physical security requirements. Substations of this scale typically employ gas-insulated switchgear (GIS) or air-insulated switchgear (AIS) technology, with modern automation systems for remote monitoring and control. The substation's location in a densely populated region of New Jersey underscores its importance in maintaining reliable electricity supply to residential, commercial, and industrial customers. By stepping down transmission voltages to distribution levels, Iliff Substation enables safe and efficient power delivery to local communities. Its operational status and integration into the broader PJM Interconnection grid highlight its role in supporting regional energy reliability and resilience.
Environmental context
Iliff Substation is situated in a region characterized by mixed urban and suburban development, with proximity to natural areas such as the Delaware Water Gap National Recreation Area. The facility's environmental impact is primarily associated with electromagnetic fields (EMF) and land use. Modern substations are designed with EMF mitigation measures and often incorporate landscaping to blend with surroundings. The use of SF6 gas in switchgear, if applicable, requires careful management due to its high global warming potential. Regulatory compliance with state and federal environmental standards ensures minimal ecological disruption.
Frequently asked questions
Iliff Substation is located in New Jersey, United States, at coordinates 41.021263, -74.726654. It is owned and operated by Jersey Central Power and Light.
Iliff Substation operates at 230,000 volts (230 kV) for transmission and 12,470 volts (12.47 kV) for distribution, indicating it is a step-down substation.
Iliff Substation is owned and operated by Jersey Central Power and Light (JCP&L), a subsidiary of FirstEnergy serving customers in New Jersey.
Iliff Substation must comply with NERC reliability standards for grid stability and FERC regulations for wholesale electricity markets. State-level oversight is provided by the New Jersey Board of Public Utilities.
Iliff Substation connects the high-voltage transmission system to lower-voltage distribution networks, ensuring reliable electricity delivery to homes and businesses in the region.