Sparta Substation – Mineral, Texas Willowbrook Substation – Winchester, Ohio Sun Valley Substation – Abbott, Texas Limestone Substation – Dawson, Texas Bellflower Substation – Lewisville, Indiana Black Bear Substation – Montgomery, Alabama Salt City Substation – Chillicothe, Ohio Waverly Substation – Waverly, Virginia Five Wells Substation – Rogers, Texas Hopkins Substation – Dike, Texas Century Oak Substation – Cisco, Texas Chickasaw Substation – New Hampton, Iowa
