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Batteries commercial solar grid storage

Published on October 24th, 2013 | by Zachary Shahan


Solar Grid Storage & AllCell Technologies Team Up For Grid Storage Solution

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October 24th, 2013 by Zachary Shahan
Solar Grid Storage’s PowerFactor™ solar + storage systems aim to bring more stability to the electric grid. It’s a turnkey energy storage solution (+ inverter) aimed at commercial solar power developers. Solar Grid Storage has just selected AllCell Technologies as a preferred supplier of large lithium-ion battery systems for these PowerFactor™ solar + storage systems.

commercial solar grid storage

“AllCell’s passive thermal management system allows Solar Grid Storage to place both the battery system and inverter into a single ISO container — a significant reduction in complexity, cost, size, and weight compared to other options in the market today,” the press release [PDF] notes.

solar grid storage powerfactor

Here’s more from the press release:

Large-scale batteries, with their ability to instantly either supply or absorb power, provide a powerful tool to ease the job of grid managers. The Solar Grid Storage PowerFactor™ storage system allows solar developers a simple and cost effective way to integrate storage into projects typically ranging from 100 kilowatts to 10 megawatts. The PowerFactor™ inverter acts as a standard solar inverter delivering AC power to the building but also can be used during power outages enabling the PV system plus batteries to provide emergency power indefinitely.

AllCell’s battery system, protected by the company’s proprietary thermal management system, offers a safer, longer lasting, and more economical solution than conventional large scale batteries. Effective thermal management is important in any battery system, but it is especially critical in larger high-power systems. AllCell’s patented technology utilizes a composite phase change material (PCM) to surround each cell within the battery, absorbing and distributing heat to reduce battery temperature and prevent thermal runaway propagation. The PCM technology allows the PowerFactor™ system design to maximize safety and cycle life.

Solar Grid Storage PowerFactor™ systems are or will soon be in place at several projects in the PJM region. One such project is the Philadelphia Navy Yard’s Grid Star project, while another is the Konterra commercial micro grid in Laurel, Maryland.

For more hot grid storage news, keep an eye on our energy storage category archives.

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About the Author

is the director of CleanTechnica, the most popular cleantech-focused website in the world, and Planetsave, a world-leading green and science news site. He has been covering green news of various sorts since 2008, and he has been especially focused on solar energy, electric vehicles, and wind energy since 2009. Aside from his work on CleanTechnica and Planetsave, he's the founder and director of Solar Love, EV Obsession, and Bikocity. To connect with Zach on some of your favorite social networks, go to and click on the relevant buttons.

  • Richard

    Every roof of Wall Mart could be a solar power plant. With battery backup, every Wall Mart could cut energy costs by $$ millions per year. Why are they not doing this yet?

    • Bob_Wallace

      Walmart is one of the largest solar users in the country. They have more installed solar than the combined solar of the 38 lowest states and are installing more.

      Walmart is such a crummy company in so many ways but they do understand that solar helps their bottom line.

      Storage, we’re not there yet. I suspect that within a couple of years the math will be working for companies and individuals to store what they make rather than feeding it back to the grid. (High rate places like Hawaii and Australia storage may already pencil out.)

  • luo xingqiang

    Large batteries that can provide immediate or absorb power, providing a powerful tool to alleviate the grid manager’s job. Solar grid storage power factor ™ storage system allows solar energy to develop a simple and cost-effective way to integrate storage into the project, usually from one million kilowatts to 10 megawatts range.

  • Renewable Energy

    How does this battery compare to ViZn Energy’s flow battery? It looks like there are dozens of grid storage companies out there right now, right?

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