Texas regulators on Thursday expressed “shock” that Southwest Power Pool has requested payment from utilities over 10 months for locally allocated costs of transmission upgrades approved over a period of more than eight years — amounts that could approach $100 million.

Donna Nelson, Public Utility Commission of Texas chairwoman and representative on SPP’s Regional State Committee, told commissioners Ken Anderson and Brandy Marty-Marquez that SPP recently informed its utility members of their “Directly Assigned Upgrade Costs” related to projects for long-term transmission service requests for new or changed designated generation resources.

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