Overview
Allen Junction Substation is an operational electrical substation in Ohio, United States, operated by Toledo Edison. It handles voltages of 345 kV and 138 kV, serving as a key node in the regional transmission grid.
Allen Junction Substation is an operational electrical substation located in Ohio, United States. Operated by Toledo Edison, a subsidiary of FirstEnergy, the facility plays a critical role in the regional power transmission network. The substation handles high-voltage levels of 345 kV and 138 kV, indicating its importance in stepping down transmission voltages for distribution or interconnecting major power lines. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for bulk power systems. As part of the U.S. Eastern Interconnection, the facility must comply with mandatory reliability standards, including those for voltage control, protection systems, and maintenance. The 345 kV voltage level is typical for long-distance transmission, while 138 kV is common for sub-transmission and industrial supply. Allen Junction Substation contributes to grid stability and reliability in northwestern Ohio, an area with a mix of urban, industrial, and agricultural loads. Its location near Toledo supports the region's energy needs, including manufacturing and logistics sectors. The substation's role in voltage transformation and power routing is essential for maintaining supply quality and preventing outages, underscoring its significance in the local electrical infrastructure.
Environmental context
The substation is situated in a region with a temperate climate, where seasonal temperature extremes can affect power demand and equipment performance. The surrounding area includes agricultural and suburban land uses, with proximity to urban centers. Electrical infrastructure like Allen Junction must manage environmental factors such as vegetation growth near rights-of-way and storm-related risks, which are mitigated through standard utility practices. The facility's high-voltage equipment is designed to withstand local weather conditions, including ice storms and high winds, ensuring continuous operation.
Frequently asked questions
Allen Junction Substation is located in Ohio, United States, near the city of Toledo. Its coordinates are approximately 41.72° N, -83.78° W.
Allen Junction Substation handles two voltage levels: 345 kV (kilovolts) for high-voltage transmission and 138 kV for sub-transmission or distribution.
Allen Junction Substation is operated by Toledo Edison, a subsidiary of FirstEnergy Corporation, which serves customers in Ohio and Pennsylvania.
As part of the U.S. bulk power system, Allen Junction Substation must comply with NERC reliability standards and FERC regulations, including requirements for voltage control, protection systems, and cybersecurity.
A 345 kV substation like Allen Junction serves as a critical node in the transmission grid, stepping down high-voltage power from long-distance lines to lower voltages for regional distribution, and providing switching and protection capabilities.