Promway Substation - 138 kV Substation Operated by AEP Ohio in the United States

Promway Substation is an operational electrical substation located in the United States, owned and operated by AEP Ohio. The facility operates at a voltage level of 138 kV, placing it in the medium-to-high voltage range typical for sub-transmission and distribution substations that serve industrial and residential loads. As part of AEP Ohio's network, Promway Substation is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations for transmission-level assets. The substation likely employs modern switchgear and automation systems compliant with IEC 61850 standards to ensure safe and efficient power flow. This substation supports the electrical infrastructure of the surrounding region, contributing to grid resilience and power quality for local communities. Its operational status and voltage level indicate a critical role in maintaining stable electricity supply, particularly during peak demand periods or contingency events.

Located in a region with variable climate conditions, Promway Substation operates within a grid that must accommodate seasonal demand fluctuations. The substation's urban or rural setting influences its environmental footprint, with potential considerations for electromagnetic fields, noise, and land use. AEP Ohio's adherence to NERC and FERC guidelines ensures that environmental impacts are managed through standard mitigation practices.