Chevron Corp. (CVX) has signed a contract to supply Chubu Electric Power Co. (9502.TO) with liquefied natural gas from the Wheatstone Project in Western Australia .

Chevron and Wheatstone partners Apache Energy and Kuwait Foreign Petroleum Exploration will supply Chubu with 1 million metric tons a year for up to 20 years, Chevron said in a statement late Thursday. It didn't state when deliveries will begin.

Chevron is operator and 64.14% owner of the project. Apache Energy holds 13% and Kuwait Foreign Petroleum Exploration 7%; several other companies hold the remainder.

Chevron also holds an 80.17% equity interest in the Wheatstone and Iago fields that provide 80% of the Wheatstone Project's feedgas.