March 28, 2018 — Federal officials say they are looking at new studies of fish species that migrate off the coast of Long Island and their potential reactions to electric pulses from the transmission cables of the proposed South Fork Wind Farm, in response to concerns raised by fishermen and the East Hampton Town Trustees.

Concerns about how fish might react to the electric magnetic field, or EMF, given off by the wind farm’s foot-thick power cable when it comes ashore have become the main objection from the East Hampton Town Trustees and the South Fork’s commercial baymen.

Fishermen rely on the annual migrations of fish through the relatively shallow waters within a couple of miles of the shore on their way to summer haunts in the bays. They worry that even if the EMF pulses given off by the sort of cable that would connect to the wind farm were minor—as studies suggest—the subtle impulses could be enough to divert fish in their migrations and away from the near-shore areas.

In the earliest discussions of the issue over the last several months, representatives of Deepwater Wind have presented the results of studies conducted at the existing wind farm off Block Island and by scientists around the giant offshore wind farms in Europe, as well as laboratory tests that show the effects of EMF on migrating fish to be inconsequential.

But fishermen and their supporters have said those studies are of little reassurance to them, since they involve different scales, different types of sea floor or different species of fish than those that are of the utmost importance to local baymen.

“What they tested in Europe is not that relevant. What they tested at Block Island, with a cable one-quarter the size of this, is not that relevant,” said Gary Cobb, an East Hampton man who has been reviewing the work done thus far on EMF and other details of offshore wind development on behalf of fishermen. “And you need several years of data for any of it to be useful.”

Earlier this winter, the Town Trustees issued a call for more studies—along with an aggressive demand for financial support from Deepwater for fishermen who are impacted by the project—to examine the effects of EMF on fishes that migrate to Long Island in summer.

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