Customer Support

Battery Testing

We think batteries can deliver important benefits to you and help us build a smarter energy infrastructure. However, we want to assure they can deliver these benefits safely, reliably, securely, and efficiently. That is why we are actively testing batteries in several pilots in Colorado and Minnesota.

The table below provides some basic information on these pilots. If you’d like to learn more, click on each pilot to read a case study or regulatory filing that describes it in greater detail.

LocationInstall datePrimary focusBatteries
Panasonic
Denver, CO (close to Denver Intl. Airport) 2017 Help manage the power grid, while providing back-up power to Panasonic headquarters building 1 large battery sited in the power grid

Read the pilot application filed with the Colorado Public Utilities Commission (external link)

Read the Panasonic Fact Sheet (PDF)

View the Panasonic Pictorial Sheet (PDF)

Watch the microgrid become reality.

Stapleton
Denver, Colo. (Stapleton neighborhood) 2017 Help integrate  and manage high levels of rooftop solar on neighborhood homes
6 medium-sized batteries sited in the power grid
6 small batteries sited in homes

Read the pilot application filed with the Colorado Public Utilities Commission (external link)   

Read an overview of the project and learn about upcoming events on the Community Energy Storage Project in the Stapleton Neighborhood page.

Watch the installation of customer-sited batteries in November 2017.

Solar-to-Battery      
Aurora, Colo. 2011 Smooth the electricity generation profile of a large solar array, especially at times when clouds pass over it or during sunrise and sunset 1 large battery sited in the power grid
View the Information Sheet (PDF)   
Wind-to-Battery      
Luverne, Minn. 2009 Store wind energy in battery and use at times of high electricity demand 1 large battery sited in the power grid
View the Information Sheet (PDF)   

Energy Saving Tip

Make sure to regularly change the air filters on your HVAC system (at least once per month). Old, clogged filters are far less efficient than new ones.

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May is National Electric Safety Month

Before beginning an outdoor project, be aware of overhead electric lines and keep yourself, your ladders and tools at least 10 feet away from them.

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