Overview
Mill Irons Substation is an operational electrical substation in Georgia, United States, operated by Georgia Power. It operates at a voltage of 115 kV, serving the regional grid.
Mill Irons Substation is an operational electrical substation located in Georgia, United States. Owned and operated by Georgia Power, a major utility in the region, the facility plays a key role in the state's electrical infrastructure. The substation operates at a voltage of 115 kV, which is typical for sub-transmission and distribution-level assets that connect local distribution networks to the higher-voltage transmission grid. As part of Georgia Power's network, Mill Irons Substation operates under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) for wholesale electricity markets and the Georgia Public Service Commission for retail rates and reliability. The facility adheres to North American Electric Reliability Corporation (NERC) reliability standards, ensuring stable and secure grid operations. Substations of this voltage class are critical for stepping down power from transmission lines to distribution feeders serving industrial, commercial, and residential customers. The substation's location in central Georgia places it within a region with a mix of urban and rural loads, supporting local communities and industries. Its operational status ensures continued reliability for the surrounding area, contributing to the overall stability of the Southeastern electric grid. Georgia Power's extensive network of substations like Mill Irons is essential for meeting the energy demands of the state's growing population and economy.
Environmental context
The substation is situated in a region characterized by a humid subtropical climate, with hot summers and mild winters. The surrounding area includes a mix of forested land and developed zones, typical of central Georgia. Electrical infrastructure like Mill Irons Substation is designed to withstand local weather conditions, including thunderstorms and occasional hurricanes. The facility's voltage level and location influence its environmental footprint, primarily through land use and electromagnetic fields, which are managed according to industry standards.
Frequently asked questions
Mill Irons Substation is located in Georgia, United States, at coordinates 32.815542, -83.669457. It is operated by Georgia Power.
Mill Irons Substation operates at a voltage of 115 kV, which is a common voltage level for sub-transmission and distribution substations.
Mill Irons Substation is owned and operated by Georgia Power, a subsidiary of Southern Company and a major electric utility in the southeastern United States.
As part of the U.S. electrical grid, Mill Irons Substation must comply with NERC reliability standards and FERC regulations for transmission-level assets. Georgia Power also follows state-level regulations from the Georgia Public Service Commission.
A 115 kV substation steps down transmission voltage to distribution levels, supplying power to local industrial, commercial, and residential customers. It also provides switching and protection functions to maintain grid stability.