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Duke Energy

Eos deploys ‘Znyth’ tech for US storage projects

Sat, 06/22/2019 - 14:00 -- John Shepherd
Eos deploys ‘Znyth’ tech for US storage projects

Grid-scale battery system developer Eos Energy Storage is deploying its aqueous, zinc hybrid cathode (‘Znyth’) technology for two projects in the US.

The company’s Aurora 2.0 battery system has been installed by utility Duke Energy as part of a DC-coupled solar-plus-storage system in North Carolina. Separately, Aurora is being used for behind-the-meter storage at the University of California, San Diego, in a project funded by the California Energy Commission.

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Battery makers sign up for BESS safety taskforce

Thu, 04/25/2019 - 19:01 -- John Shepherd
Battery makers sign up for BESS safety taskforce

Manufacturers and users of battery storage systems have backed an industry-led initiative in the US to “prioritise safety” in the production and operation of equipment.

The move came amidst on going concerns about the risk of fires from lithium batteries and cells— and just days before an explosion at a grid-scale battery storage facility in the US.

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Utility sells battery assets stake to boost investment

Thu, 04/25/2019 - 14:58 -- John Shepherd
Utility sells battery assets stake to boost investment

US-based power company Duke Energy is selling a minority stake in its renewables business including battery storage assets to infrastructure investment firm John Hancock.

Duke said the sale would help fund “future growth capital plans”— and as a continuing majority owner, Duke committed to expanding its commercial renewable energy business.

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US utility drops nuclear for batteries

Thu, 09/07/2017 - 09:56 -- News Editor
US utility drops nuclear for batteries

US utility Duke Energy has announced proposals to invest a total of $6 billion in a package of “smarter energy” infrastructure projects including battery storage in Florida— after cancelling plans to build two nuclear plants.

Duke said its proposals, filed with the Florida Public Service Commission (FPSC), include a four-year plan to invest in a pilot 50MW battery storage scheme project, smart meters, grid modernisation and the installation of “more than 500” electric vehicle charging stations.

 

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Duke Energy's Notrees lead-acid battery project scoops energy storage award

Mon, 09/23/2013 - 10:55 -- Editor

 

Duke Energy's Notrees Battery Storage Project in Texas scooped the utility-scale energy storage innovation award at the 2013 Energy Storage North America (ESNA) Conference and Expo in San Jose, California.

The project's 36 MW advanced lead-acid battery helps smooth the naturally variable output from Duke Energy's 153 MW Notrees Wind Power Project. By storing energy generated by the wind farm, the project can respond quickly to regulate frequency and provide ancillary services for grid management.

The project has been operating since late 2012. Duke Energy matched a $22m Department of Energy grant to develop the project, and Texas-based Xtreme Power designed and installed the battery.

Award winners were judged on services provided to the grid, financing options, ownership model and technology strengths.

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