The cable will also lie across the ice of Antarctic, which moves less than 10 meters per year, according to Hamilton.
"The flow of the ice, albeit slow, will carry the cable along with it, and over time introduce quite a lot of cable strain. These are the types of problems that need to be studied before the project goes ahead," he said.
Industry information will be submitted until September 19. The NSF and its consultants will then determine if the project is technically feasible at a reasonable cost, and if so, conduct pilot studies over the next two years.
This will be followed by design and procurement, before deployment in May 2009.