and EDF Renewables Inc. “These ad hoc studies have led to the diversion of resources from processing new interconnection applications to determine the impact of project withdrawals on lower-queue projects, creating overlap and uncertainty for interconnection customers.” SPP said in its April filing, which proposed the new trial. When renewable energy developers come up with new projects, grid operators conduct connection studies to determine what levels of system are needed to bring electricity to customers – how much these upgrades cost and what the benefits will be. . . .