Overview
Saint Hedwig Substation is an operational electrical substation in San Antonio, Texas, owned and operated by CPS Energy. It operates at 138 kV, serving the local grid.
Saint Hedwig Substation is an operational electrical substation located in San Antonio, Texas, United States. Owned and operated by CPS Energy, the facility plays a key role in the regional power distribution network. The substation operates at a voltage of 138 kV, which is typical for sub-transmission and distribution-level infrastructure in the United States. As part of CPS Energy's grid, the substation is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations for transmission-level assets. The 138 kV voltage class is commonly used for distributing power from larger transmission lines to local distribution networks, ensuring stable electricity supply to residential, commercial, and industrial customers in the San Antonio area. The substation's location in a major urban center underscores its importance for grid stability and community service. CPS Energy, the municipally owned utility, serves over 800,000 electric customers, and facilities like Saint Hedwig Substation are critical for maintaining reliable power delivery. The operational status indicates active contribution to the local electrical infrastructure, supporting economic activity and daily life in the region.
Environmental context
The substation is situated in an urban environment in San Antonio, Texas, where electrical infrastructure must balance reliability with environmental considerations. Urban substations like this one are typically designed to minimize visual impact and may incorporate noise mitigation measures. The 138 kV voltage level is moderate, reducing electromagnetic field concerns compared to higher-voltage transmission lines. Local climate conditions, including hot summers and occasional severe weather, require robust design to ensure continuous operation.
Frequently asked questions
Saint Hedwig Substation is located in San Antonio, Texas, United States, at latitude 29.427160 and longitude -98.396696.
Saint Hedwig Substation operates at a voltage of 138 kV, which is a common sub-transmission voltage level in the United States.
Saint Hedwig Substation is owned and operated by CPS Energy, the municipally owned electric and gas utility serving San Antonio and surrounding areas.
Substations in the United States are subject to NERC reliability standards and FERC regulations for transmission-level assets, ensuring grid stability and safety.
A 138 kV substation typically steps down voltage from higher transmission lines (e.g., 345 kV) to distribution levels, supplying power to local networks and end users.