up to one foot from Cape Cod to Nova Scotia.
Small-scale tidal generators of one to 100 megawatts, Fay contends, could do the same job for about the same cost per megawatt. The idea is already catching on. In Annapolis Royal, Nova Scotia, an 18-megawatt plant is nearing completion; Maine's Passamaquoddy Indians have in hand a preliminary plan for a 12-megawatt project that would cost $3-4 million per megawatt-roughly the same as a nuclear plant.
The technology of tide-generated electricity is...