Frontier Forum: How VPPs earn grid-scale trust [partner content]

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Can a grid operator tell the difference between a virtual power plant and a traditional one? That’s the idea behind the Huels Test, a framework developed by EnergyHub to answer a simple but consequential question: when does a distributed fleet of customer devices become reliable enough to function like a power plant? Passing the test means more than just aggregating thermostats or batteries. It means delivering predictable, repeatable performance that utility planners and operators trust enough to rely on during system peaks. And it’s no longer theoretical. During a series of brutal winter cold snaps across the Southeast this year, Duke Energy leaned on tens of thousands of connected…