Earl Dean Hicks Substation - Oklahoma Municipal Power Authority | US Electrical Infrastructure

Earl Dean Hicks is an electrical substation located in Oklahoma, United States, operated by the Oklahoma Municipal Power Authority (OMPA). The facility operates at a voltage of 138 kV, placing it in the medium-to-high voltage range typical for sub-transmission and distribution substations. As part of OMPA's network, it supports the delivery of wholesale power to municipal utilities across the state. The substation falls under the regulatory oversight of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for the bulk power system. Compliance with NERC's Critical Infrastructure Protection (CIP) standards ensures the security and resilience of this facility. The 138 kV voltage level is common for regional interconnections, balancing capacity and safety. Operationally, Earl Dean Hicks contributes to the stability of Oklahoma's electric grid by stepping down transmission voltages for local distribution. Its location in a rural area may reduce certain urban-related risks, but its role in serving municipal loads makes it critical for community power supply. The facility's age and specific equipment details are not publicly available, but typical substations of this class undergo regular maintenance to ensure reliability.

The substation is situated in a rural area of Oklahoma, where the surrounding landscape is primarily agricultural. The local environment is characterized by open plains and occasional wooded areas. Electrical infrastructure in such settings typically has minimal direct environmental impact, though considerations include electromagnetic fields and potential effects on wildlife. The facility's operation aligns with standard environmental practices for substations, including oil containment for transformers and vegetation management to prevent outages.