Overview
Horse Hollow 2 Substation is an operational electrical substation in Texas, United States, owned and operated by NextEra Energy. It handles voltages of 138 kV and 34.5 kV, supporting regional grid stability.
Horse Hollow 2 Substation is an operational electrical substation located in Texas, United States, owned and operated by NextEra Energy. The facility is part of the broader Horse Hollow wind energy complex, one of the largest wind farms in the world, and plays a critical role in collecting and transmitting power from wind turbines to the grid. With voltage levels of 138 kV and 34.5 kV, it is classified as a medium-to-high voltage substation, typical for connecting renewable energy generation to the transmission network. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), ensuring compliance with reliability standards for grid interconnection and power quality. As part of NextEra Energy's portfolio, the facility adheres to stringent operational protocols for voltage regulation and fault protection, utilizing modern switchgear and automation systems consistent with ISO/IEC 61850 standards for substation automation. Environmentally, the substation supports the integration of renewable energy into the Texas Interconnection, reducing reliance on fossil fuels and contributing to lower carbon emissions. Its location in a rural area minimizes direct environmental impact, while its role in the wind energy supply chain underscores its significance in advancing sustainable electrical infrastructure. The facility's operational status and ownership by a major clean energy company highlight its importance in the transition to a greener grid.
Environmental context
Located in a semi-arid region of west Texas, the substation supports the Horse Hollow Wind Energy Center, which spans over 47,000 acres. The area's high wind speeds make it ideal for wind power generation, and the substation facilitates the transmission of clean energy to the grid, reducing greenhouse gas emissions. The facility's design includes measures to minimize land use and protect local wildlife, such as avian species, through careful siting and operational practices.
Frequently asked questions
Horse Hollow 2 Substation is located in Texas, United States, near the Horse Hollow Wind Energy Center. Its approximate coordinates are 32.27° N, -100.18° W.
The substation operates at two voltage levels: 138,000 volts (138 kV) and 34,500 volts (34.5 kV), typical for connecting wind farms to the transmission grid.
The substation is owned and operated by NextEra Energy, a leading clean energy company in the United States.
As part of the US electrical grid, the substation must comply with NERC reliability standards and FERC regulations for transmission-level assets, ensuring grid stability and power quality.
The substation collects electricity from the Horse Hollow Wind Energy Center and steps it up to transmission voltages for delivery to the grid, enabling the integration of wind power into the energy mix.