Overview
Laredo Heights Substation is an operational electrical substation in Laredo, Texas, owned by American Electric Power. It operates at 138 kV, serving the local grid.
Laredo Heights Substation is an operational electrical substation located in Laredo, Texas, United States. Owned and operated by American Electric Power (AEP), it is part of the regional transmission network that delivers electricity to residential, commercial, and industrial customers in the area. The substation operates at a voltage of 138 kV, which is typical for sub-transmission and distribution-level infrastructure in the United States. As a 138 kV substation, Laredo Heights Substation plays a role in stepping down higher transmission voltages for local distribution. AEP is a major investor-owned utility regulated by the Federal Energy Regulatory Commission (FERC) and adheres to North American Electric Reliability Corporation (NERC) reliability standards. The substation likely includes switchgear, transformers, and protection systems compliant with IEEE and NERC standards. The substation supports grid stability in the Laredo area, a growing urban center in Webb County. Its operational status ensures continued power supply to the community, contributing to the reliability of the Texas Interconnection. The facility's location near the U.S.-Mexico border also highlights its role in cross-border energy flows.
Environmental context
The substation is located in an urban area of Laredo, Texas, which experiences a semi-arid climate with hot summers and mild winters. The surrounding environment includes residential and commercial developments. Electrical infrastructure like this substation has minimal direct environmental impact, but its operation supports energy efficiency by reducing transmission losses through voltage transformation. The facility is subject to environmental regulations under the Clean Air Act and local ordinances regarding noise and electromagnetic fields.
Frequently asked questions
Laredo Heights Substation is located in Laredo, Texas, United States, at coordinates 27.523680, -99.490146.
Laredo Heights Substation operates at a voltage of 138 kV, which is a common sub-transmission voltage level in the United States.
Laredo Heights Substation is owned and operated by American Electric Power (AEP), a major investor-owned utility serving parts of 11 states.
Substations in the United States must comply with NERC reliability standards for grid stability and FERC regulations for interstate transmission. Additionally, IEEE standards such as IEEE C37 for switchgear and IEEE 80 for grounding are typically followed.
A 138 kV substation steps down higher transmission voltages (e.g., 345 kV) to distribution levels (e.g., 69 kV or lower), enabling safe delivery of electricity to homes and businesses. It also provides switching and protection functions to maintain grid reliability.