Overview
Sub 92 is a 345 kV substation operated by MidAmerican Energy in the United States. It plays a key role in regional grid stability and power distribution.
Sub 92 is a high-voltage substation located in the United States, operated by MidAmerican Energy. With a voltage level of 345 kV, it is classified as a transmission-level asset critical for bulk power transfer and grid reliability. The facility is currently operational and serves as a key node in the regional electrical infrastructure. As a 345 kV substation, Sub 92 operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). These standards mandate strict compliance with reliability and security requirements for transmission assets. The substation likely employs modern switchgear and automation systems, including potential adherence to IEC 61850 standards for substation automation, ensuring efficient and safe operation. The substation's location in the Midwest supports the integration of diverse generation sources, including wind and conventional power, into the grid. Its role in voltage regulation and power flow management is vital for maintaining grid stability and serving residential, commercial, and industrial customers in the region.
Environmental context
The substation is situated in a rural area of Iowa, a state with significant wind energy generation. The 345 kV voltage level indicates its role in long-distance power transmission, which can help reduce transmission losses and support renewable energy integration. The facility's design likely includes measures to minimize electromagnetic field exposure and comply with environmental regulations.
Frequently asked questions
Sub 92 is located in the United States, with coordinates approximately 41.55° N, 91.22° W, in the state of Iowa.
Sub 92 operates at 345 kV, which is a high-voltage transmission level used for bulk power transfer across long distances.
Sub 92 is operated by MidAmerican Energy, a major utility company serving customers in the Midwest.
As a transmission substation in the US, Sub 92 must comply with NERC reliability standards and FERC regulations, ensuring grid stability and security.
A 345 kV substation steps down high-voltage electricity from transmission lines for distribution, and also provides switching, protection, and voltage regulation to maintain grid reliability.