SPP, which runs the bulk electric grid and wholesale power market across 14 western and Midwest states, will expand its reach ...

The Southwest Power Pool could need up to $263 billion in generation investments in order to support load growth through 2050 — but despite the sizeable investment, should still be able to ...

Southwest Power Pool will become the first grid operator to expand across two of the three major U.S. electricity systems. Federal regulators Thursday approved a bid from Arkansas-based Southwest ...