Overview
Helena Substation is an operational electrical substation in Texas, United States, owned by South Texas Electric Cooperative. It operates at 138 kV, serving the regional grid.
Helena Substation is an operational electrical substation located in Texas, United States. Owned by South Texas Electric Cooperative, it plays a role in the regional transmission 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 a 138 kV substation, it falls under the regulatory oversight of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC) for reliability standards. The facility is part of the Electric Reliability Council of Texas (ERCOT) grid, which operates independently from the Eastern and Western Interconnections. Substations of this voltage level are critical for stepping down power from higher transmission voltages to distribution levels for local communities. The Helena Substation supports the electrical infrastructure in rural Texas, where cooperatives like South Texas Electric Cooperative provide power to member-owners. Its operational status ensures continued service to the surrounding area, contributing to grid stability and energy access in the region.
Environmental context
Located in rural Texas, the Helena Substation operates in a region with hot summers and mild winters, which influences peak demand patterns. The substation's 138 kV voltage level indicates it serves as a distribution substation, likely supplying power to agricultural and residential areas. Its proximity to the Gulf Coast may expose it to hurricane risks, necessitating robust design and maintenance practices to ensure grid reliability.
Frequently asked questions
Helena Substation is located in Texas, United States, near coordinates 28.937960, -97.799996. It is owned by South Texas Electric Cooperative.
Helena Substation operates at 138 kV, which is a common voltage level for sub-transmission and distribution substations in the United States.
Helena Substation is owned by South Texas Electric Cooperative, a member-owned utility serving rural areas in Texas.
Helena Substation operates under NERC reliability standards and FERC regulations, as part of the ERCOT grid in Texas.
A 138 kV substation steps down high-voltage transmission power to lower voltages for distribution to homes and businesses, ensuring reliable electricity supply to local communities.