Japan in January paid nearly twice as much for LNG derived from US shale gas as it did for its cheapest imports.
Toshiba is attempting to fill the balance sheet hole left by a US$6.3 billion hit to its nuclear operations.
Japan's electric utilities have won provisions that will allow them to divert contracted LNG cargoes if they restart their nuclear reactors.
Japan's Inpex Corporation is keeping with its plans to start up its Australian Ichthys LNG export plant in July-September 2017.
Asian spot prices for LNG delivery in March fell to parity with European gas benchmarks on 3 February.