On Sept. 2, a helicopter crew installed optical ground wire on the topmost position of Eversource’s new taller steel transmission towers that were recently installed on much of Randolph Valley’s utility corridor, south of Route 2, in front of King Ravine on Mt. Adams. (EDITH TUCKER PHOTO)
On Sept. 2, a helicopter crew installed optical ground wire on the topmost position of Eversource’s new taller steel transmission towers that were recently installed on much of Randolph Valley’s utility corridor, south of Route 2, in front of King Ravine on Mt. Adams. (EDITH TUCKER PHOTO)
RANDOLPH — Eversource is investing roughly $26 million statewide this year on installing optical ground wire, a dual-functioning cable that makes the electric transmission system both more resilient in severe weather and enhances vital communication between key installations, such as substations, providing real-time information on its electric system.
William Hinkle, Eversource’s media relations manager in New Hampshire, said in an email exchange: “The optical ground wire — OPGW — is placed at the topmost position on the transmission line (towers) where it protects important equipment from lightning with the added benefit of containing optical fibers to transmit data."
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