Substation Operational

Leon Junction Substation - 69 kV Electrical Substation in Texas, United States

United States

Overview

Leon Junction Substation is an operational electrical substation in Texas, United States, owned and operated by Brazos Electric. It operates at 69 kV, serving as a key node in the regional transmission grid.

Leon Junction Substation is an operational electrical substation located in Texas, United States. Owned and operated by Brazos Electric, the facility is part of the state's extensive transmission infrastructure, which is regulated by the Public Utility Commission of Texas (PUCT) and subject to NERC reliability standards. The substation operates at a voltage of 69 kV, a common distribution-level voltage that supports local grid stability and power delivery to surrounding communities. As a substation in the Electric Reliability Council of Texas (ERCOT) region, Leon Junction Substation plays a role in maintaining grid reliability and voltage regulation. ERCOT manages the flow of electric power to over 26 million customers, and substations like this one are critical for stepping down transmission voltages to distribution levels. The facility's 69 kV rating places it in the medium-voltage category, typical for sub-transmission and distribution substations serving industrial, commercial, and residential loads. The substation's location in central Texas, near the town of Leon Junction, positions it within a region experiencing population growth and increasing energy demand. Its operational status ensures continued support for local electricity distribution, contributing to the resilience of the regional power grid. The facility's integration with Brazos Electric's network underscores its importance in delivering reliable electricity to member cooperatives and end-users.

Environmental context

The substation is situated in a rural area of central Texas, characterized by a mix of agricultural land and small communities. The local climate features hot summers and mild winters, which can influence electricity demand patterns, particularly for air conditioning. The facility's design and operation must consider potential environmental impacts such as electromagnetic fields and stormwater runoff, though standard mitigation measures are typically employed. The surrounding ecosystem includes grasslands and scattered woodlands, with wildlife corridors that may be affected by infrastructure maintenance activities.

Frequently asked questions

Leon Junction Substation is located in Texas, United States, near the town of Leon Junction in Coryell County. Its coordinates are approximately 31.34° N, -97.58° W.

Leon Junction Substation operates at a voltage of 69 kV (69,000 volts), which is a common sub-transmission voltage level used for distributing electricity from transmission lines to local distribution networks.

Leon Junction Substation is owned and operated by Brazos Electric, a generation and transmission cooperative that provides wholesale electric power to member distribution cooperatives in Texas.

Substations in the United States are subject to NERC reliability standards for grid stability and FERC regulation for interstate transmission. In Texas, facilities within ERCOT are additionally regulated by the Public Utility Commission of Texas (PUCT) and must comply with ERCOT's grid reliability protocols.

A 69 kV substation serves as an intermediate node in the power grid, stepping down higher transmission voltages (e.g., 138 kV or 230 kV) to distribution voltages (e.g., 12 kV or 34.5 kV). It also provides switching, protection, and voltage regulation to ensure reliable electricity delivery to local communities.
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