For over a century, wood pole structures have been used to support overhead powerlines. Over time, as the utility industry expanded, the basic wood pole structure has evolved, but regardless of ...
Never before has the power delivery system needed such a wide variety of structures and towers to meet the needs of transmission grid. Some transmission lines require very long span crossings over ...
ABSTRACT Chihuahuan ravens (Corvus cryptoleucus) regularly perch and nest on electric utility structures. Because ravens perch on overhead shield wires, for which no perch discourager exists, ...
After the historic flooding of spring 2019, a new channel of the Platte River had surrounded an H-frame transmission tower north of Ashland. Officials with OPPD opted to reinforce the structure ...