ES Solar and sonnen collaborate on new model for Rocky Mountain Power
Utah solar contractor ES Solar and sonnen are working with Rocky Mountain Power to transform thousands of intermittent rooftop solar systems into dispatchable grid assets by retrofitting every home with a sonnen battery as part of the Wattsmart Battery Program.
“The path to a sustainable energy future requires the ability to integrate increasing amounts of renewables,” said Bill Comeau, VP of Customer Experience at Rocky Mountain Power. “Through this innovative partnership, our 50,000 customers with rooftop solar can now be part of the solution for a sustainable grid of the future for the benefit of all.”
After years of building and testing a Battery Grid Management System (BGMS) utilizing sonnen’s VPP software, RMP launched the Wattsmart Battery program for 2021. With the launch of Wattsmart, ES Solar created a new business model to ensure rooftop solar systems are equipped with batteries controlled by the local utility for the greater function of the grid, which removes many of the grid integration issues inherent with stand-alone rooftop solar systems.
“Our evolution at ES Solar revolves around the idea that a smarter grid requires intelligent batteries paired with solar,” said Nic Evans, Vice President of Commercial at ES Solar. “We are committed to delivering customers solutions for a sustainable dynamic renewable energy grid.”
“This model is on the cutting edge of the battery storage industry and, while novel now, it’s indicative of far-reaching, long-term shifts in how the grid is managed, and the essential role of battery storage,” said Blake Richetta, Chairman and CEO of sonnen.
For its work with sonnen, ES Solar and other partners to pioneer programs like Wattsmart, Rocky Mountain Power was also recently named a finalist for the 2021 S&P Global Platts Grid Edge Award.
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