Accused

Williston Basin Interstate Pipeline (WBI), through its”surrogate” affiliate Frontier Gas Storage, has displayed a patternof preferential treatment by selling all of Frontier’s gas to itsmarketing affiliate, Prairielands Energy Marketing Inc., in anattempt to give the latter a competitive edge over non-affiliatedshippers, the pipeline’s customers charge.

FERC needs to make the responsibilities and line of authority ofindependent system operators “crystal clear” to make sure they donot interfere with pricing and the commodity portion of the market,according to an Electric Clearinghouse executive who said thatright now the California ISO is overstepping the bounds.