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Duke Energy

Power company to test flow battery’s ability to manage grid services

Thu, 11/11/2021 - 11:02 -- paul Crompton

US technology conglomerate Honeywell’s flow battery will be tested by Duke Energy to determine its capabilities of storing renewable generated power.

The long-duration 400kWh flow battery unit will store power from wind and solar generation for use during power outages or when the grid is at capacity. 

The system, which can store and discharge electricity for up to 12 hours, is designed with recyclable components and could provide a reliable and cost-efficient system for 20 years, say North Carolina-based Honeywell.

The flow battery technology will be tested at power company Duke Energy’s Emerging Technology and Innovation Center in Mount Holly, North Carolina.

Honeywell will deliver the unit to Duke’s facility next year.

Honeywell aims to deploy a utility-scale pilot project of 60MWh starting in 2023.

Ben Owens, vice president and general manager, Honeywell Sustainable Technology Solutions, said: “As utilities and corporations seek cost-effective alternatives to coal-fired plants with long-duration energy storage solutions, they are switching to renewable energy targets that work around the clock to reduce carbon emissions. 

“By partnering with Duke, we can implement this innovative energy storage technology at scale and bring to market a revolutionary flow battery to meet growing energy storage demands, while assisting companies in meeting their carbon neutral goals.”

Over the next five years, Duke Energy plans to install almost 400MW of battery storage capacity in its service territory and is interested in so-called breakthrough technologies.

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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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