Company officials were not immediately available for comment.
In a statement, the company says the contract is the largest known U.S. supply contract to date for a single supplier. Supply commences spring 2010.
The power plant requirements exceed 1mn tons annually to upwards of 1.5mn tons.
The company says the contract will help it reach a targeted $100mn in revenue in 2010.
Green Energy recently announced a commitment from private financiers for up to $10mn.
