Juneau Substation - 230 kV TECO Substation in Tampa, Florida

Juneau Substation is an operational electrical substation located in Tampa, Florida, United States. Owned by TECO (Tampa Electric Company), this facility operates at a voltage of 230 kV, classifying it as a high-voltage transmission substation critical for grid stability and power distribution in the Tampa Bay area. As a 230 kV substation, Juneau Substation is part of the high-voltage transmission network that interconnects power generation sources with distribution systems. In the United States, such facilities must comply with NERC reliability standards to ensure grid security and reliability. The substation likely includes switchgear, transformers, and protection systems adhering to IEEE and ANSI standards, with automation potentially following IEC 61850 protocols. Located in an urban area of Tampa, Juneau Substation supports the electrical infrastructure for residential, commercial, and industrial customers. Its operation by TECO, a major Florida utility, underscores its importance in maintaining reliable power supply to the region. The substation's 230 kV voltage level indicates it serves as a key node in the transmission grid, facilitating bulk power transfer and voltage regulation.

The substation is situated in an urban environment in Tampa, Florida, where electrical infrastructure must accommodate high population density and commercial activity. Urban substations like this one are designed with noise mitigation and electromagnetic field shielding to minimize community impact. The surrounding area's climate, with frequent thunderstorms and hurricane risks, necessitates robust grounding and flood protection measures to ensure continuous operation.