Integrating offshore wind into PJM will require billions in new transmission spending, either with radial lines from wind farms to shore or something like the Atlantic Wind Connection, a proposed a 300-mile transmission “backbone” off the coast from New Jersey to Virginia. Lines on shore also will have to be...

It isn’t only PJM’s Atlantic states that see promise in offshore wind. The Great Lakes also offer strong winds, along with their own unique challenges — winter ice, opposition from tourist towns, and in Pennsylvania, development restrictions put into law by casino opponents. Michigan, Ohio, Illinois, Pennsylvania and Indiana have...

PJM State offshore wind potential chart If the U.S. is to enter the offshore wind industry, it will likely happen first on the Atlantic Coast.  The coastline’s shallow waters are similar to those in Europe, which has been building utility-scale offshore wind for more than a decade. And more than...