southwest power pool

The Southwest Power Pool, which describes itself as the air traffic controller of the electricity grid, has an operations and data center in Little Rock, Arkansas, to coordinate transmission and generation for Oklahoma and parts or all of 13 other states. Courtesy

At 546,000 square miles, the Southwest Power Pool is big.

When it comes to its roster of voting members, though, rather the opposite is true — but perhaps not for much longer.

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Earlier this month, the Federal Energy Regulatory Commission ordered SPP, a regional transmission organization, to rework its fee structure for voting members after some groups that represent independent power generators operating within the pool’s area complained those fees had prohibited them from becoming members because they are far too expensive.

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