SPSC, whose headquarters is in Amarillo, Texas, will accept bids to supply the power through a long-term agreement until the afternoon of 10 October.

The utility serves 383,000 customers in the Panhandle and South Plains regions of Texas, and the eastern and southeastern counties of New Mexico.

Texas has more solar resource potential than any state in the continental US, while neighboring New Mexico also has excellent resource.

Xcel,