Overview
Tejas Substation is an operational 138 kV substation owned by Texas-New Mexico Power in Texas, United States. It plays a key role in regional grid stability and electricity distribution.
Tejas Substation is an operational electrical substation located in Texas, United States, owned and operated by Texas-New Mexico Power. The facility operates at a voltage level of 138 kV, which is typical for subtransmission and distribution substations serving industrial and residential loads in the region. As part of the Texas Interconnection, the substation operates under the regulatory oversight of the Electric Reliability Council of Texas (ERCOT) and adheres to NERC reliability standards. The 138 kV voltage class is commonly used for bulk power delivery to large industrial customers and for interconnecting with lower voltage distribution networks. The substation's location near the Gulf Coast of Texas places it in an area with significant industrial activity, including petrochemical and refining operations. Its role in stepping down transmission voltages for local distribution supports the reliability of electricity supply to critical infrastructure and communities in the region.
Environmental context
The substation is situated in a coastal plain environment near Galveston Bay, an area prone to hurricanes and tropical storms. Electrical infrastructure in this region must be designed to withstand extreme weather events, including high winds and flooding. The 138 kV voltage level indicates the substation serves as a critical node for local grid stability, requiring robust protection and automation systems to maintain service continuity during environmental disturbances.
Frequently asked questions
Tejas Substation is located in Texas, United States, near the Gulf Coast at coordinates 29.380143, -94.922979. It is owned and operated by Texas-New Mexico Power.
Tejas Substation operates at 138 kV, a common voltage level for subtransmission and distribution substations in the United States.
As part of the Texas Interconnection, Tejas Substation is regulated by the Electric Reliability Council of Texas (ERCOT) and must comply with NERC reliability standards for grid stability.
A 138 kV substation typically steps down transmission voltages for distribution to industrial and residential customers. It also provides switching and protection functions to maintain grid reliability.
Coastal Texas substations face risks from hurricanes, flooding, and saltwater corrosion. Design standards require elevated equipment and robust weatherproofing to ensure operational continuity.