"What we are showing the Coast Guard is what is possible, in terms of meeting some component of their current energy bills with power from the tidal currents," says Ferland. If ORPC has its way, what is possible is almost limitless, given the vast tidal energy coursing along the country's northeast Atlantic Seaboard. Sauer might even one day succeed in rebranding the US' easternmost city - as the weather-worn sign outside Eastport reads - as America's "tidal-energy centre".