Gain insight into the US Electric Power Transmission Lines in Mississippi with this dedicated dataset, designed for GIS professionals managing data on electrical infrastructure. This resource encompasses 13 specific features that detail key properties such as voltage, type, and service status of overhead AC lines across various substations in the region. Among the highlights are the Gerald Andrus Station to Tinnin Road and the Maury to Browns Ferry transmission lines, all listed as in service with comprehensive source validation through imagery and public documentation. With features like voltage classes typically recorded at 500 kV and service statuses consistently marked as "IN SERVICE", GIS experts can rely on this precise dataset to facilitate robust analysis and infrastructure management tasks tailored to the Mississippi region's electrical transmission networks.