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Microgrid projects in the US states of Washington and Maryland combining battery storage, solar and vehicle-grid integration have gone online.

For lower income households, making the switch to solar power has been mostly out of reach. Even so-called community solar programs most often require an investment up front. That’s starting to change.

PNNL IntelliVent system reduces risk of explosions in outdoor battery cabinets Researchers at the US Department of Energy’s Pacific Northwest National Laboratory (PNNL) have developed a sensor system called IntelliVent that can prevent dangerous conditions from developing in outdoor battery cabinets. Although energy storage systems with cabinet-type enclosures can be advantageous due to capacity, footprint and access, the cabinets leave little room for exhaust fans which would vent flammable gases that can result from failed cells and lead to explosion. IntelliVent is a patent-pending, defl...

Published: 19 May 2021, 07:32 By: Andy Colthorpe The system, which enables passive ventilation of gases, is being installed at Arlington Microgrid and Clean Energy Center in Everett, Washington. Image: PNNL. New technology which can help prevent flammable gas build-up in lithium-ion battery storage systems is being made available for “low-cost, non-exclusive licensing” by the US Department of Energy’s Pacific Northwest National Laboratory (PNNL). PNNL scientists have developed IntelliVent, a deflagration prevention system that can automatically open doors on energy storage ...