Southwest Power Pool (SPP) expanded its service territory into the Western Interconnection power grid, making it the first ...

The expansion marks the conclusion of years of planning and collaboration among SPP and the organizations joining the RTO.

The Southwest Power Pool (SPP) said it has successfully expanded its service territory. The SPP's expanded operations took ...

Add Yahoo as a preferred source to see more of our stories on Google. Enel North America's 250-MW Smoky Hills wind farm near Ellsworth, Kansas. (milehightraveler via Getty Images) This story was ...

Southwest Power Pool (SPP) will soon become the first organization in the U.S. to provide full regional transmission organization (RTO) services in both the Eastern and Western Interconnections of the ...