Overview
11th Street Substation is an operational electrical substation in Bloomington, Indiana, owned and operated by Duke Energy. It operates at 69 kV, serving as a key node in the local power distribution network.
11th Street Substation is an operational electrical substation located in Bloomington, Indiana, United States. Owned and operated by Duke Energy, a major utility in the region, this facility plays a critical role in stepping down transmission-level voltage for local distribution. The substation operates at 69 kV, a common voltage level for sub-transmission and distribution substations, indicating it serves as an intermediary between higher-voltage transmission lines and lower-voltage distribution networks. As part of Duke Energy's infrastructure in Indiana, the substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). These standards ensure grid reliability and security, including compliance with NERC's Critical Infrastructure Protection (CIP) standards. The 69 kV voltage level places it in the medium-voltage category, typical for urban and suburban distribution systems. The substation's location in Bloomington, a city with a mix of residential, commercial, and industrial loads, underscores its importance in maintaining reliable electricity supply to the community. Its operational status and integration into Duke Energy's grid contribute to regional energy resilience and support the growing demand for electricity in the area.
Environmental context
The substation is located in an urban setting in Bloomington, Indiana, where it supports local electricity distribution. Its operation involves minimal direct environmental impact, but it is part of a broader grid that enables the integration of renewable energy sources. Typical substations of this voltage level use oil-filled transformers, which require proper containment to prevent soil and water contamination. The surrounding area's climate, with seasonal temperature variations, influences demand patterns and grid stress.
Frequently asked questions
11th Street Substation is located in Bloomington, Indiana, United States, at coordinates 39.173836, -86.539289.
11th Street Substation operates at 69 kV, which is a common voltage for sub-transmission and distribution substations.
11th Street Substation is owned and operated by Duke Energy, a major electric power holding company in the United States.
Substations in the United States must comply with NERC reliability standards and FERC regulations, including Critical Infrastructure Protection (CIP) standards for cybersecurity and physical security.
A 69 kV substation typically steps down transmission-level voltage to distribution-level voltage, serving as a key node for delivering electricity to residential, commercial, and industrial customers.