US liquefaction projects could prove economically viable with even the most severe export permitting restraints that may be imposed by the Department of Energy.

Sempra Energy president Mark Snell recently outlined four possible paths the government could follow as proponents wait with baited breath for the DoE’s decision on how much US-sourced LNG can be sent overseas.

The most positive outcome for developers would be if the department were to grant full export capability, allowing unlimited volumes to go to countries without a free trade agreement with the US.

A slightly more constrained option could see projects secure full consent but with a cap on the amount of LNG that can be shipped out, Snell said.

However, one lobbyist argued volume constraints may not...