State regulators have hit the pause button on permitting for a transmission line that would run up the Sakonnet River from SouthCoast Wind's large offshore wind farm proposed in ocean waters south of Martha’s Vineyard. The Rhode Island Energy Facility Siting Board voted unanimously on Thursday to stay the application process for the cable that SouthCoast Wind needs to deliver electricity to the mainland grid from its proposed $5-billion project that would power more than a million homes.