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Study IDs two compressed air energy storage methods, sites for the Northwest

Green Car Congress

Researchers at the Department of Energy’s Pacific Northwest National Laboratory (PNNL) and Bonneville Power Administration (BPA) have identified two compressed air energy storage methods for the temporary storage of the Northwest’s excess wind power and two eastern Washington locations to put them into practice.

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Siemens installing Sitras supercap-based stationary energy storage unit for TriMet light right substation

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Siemens is currently installing the first Sitras SES (stationary energy storage) Energy Storage Unit with supercapacitor technology in the US on the new TriMet Portland-Milwaukie Light Rail Transit Line. The use of just a single energy storage unit could save a maximum of 500,000 kWh per year, Siemens says.