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utility

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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South Africa utility opens testing facility

Fri, 06/23/2017 - 10:56 -- Xuan Zhong
South Africa utility opens testing facility

South Africa’s main utility Eskom – one of the biggest power suppliers in Africa – has built a battery system testing and demonstration facility to help with its plan to provide 2GW of storage for energy produced from renewable sources eventually.

The testing will begin in July. Located at the utility’s Research and Innovation Centre in Rosherville, Johannesburg, the project will compare different energy storage technologies and solutions available today and find the best approach for the local electricity network and climate.

 
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SRP signed a 20-year power purchase agreement

Fri, 05/05/2017 - 11:48 -- Xuan Zhong
SRP signed a 20-year power purchase agreement

US Arizona’s electrical utility Salt River Project (SRP) has signed a 20-year power purchase contract for a grid-scale, integrated solar and battery project that will be located in Pinal County.

A subsidiary of NextEra Energy Resources, a wholesale electricity supplier in Florida, will construct and own the Pinal Central Energy Centre, which will consist of a single-axis tracking, 20MW solar photovoltaic generation facility, and a 10MW lithium-ion energy storage system.

 

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Changes to UK utility scale energy storage tender process

Thu, 02/02/2017 - 15:04 -- Paul Crompton
Changes to UK utility scale energy storage tender process

UK utility National Grid is opening up the tender process to allow smaller companies and non-traditional energy storage methods to compete in the grid-scale UK market.

The company is aiming to simplify its suite of balancing services rather than simply tendering for more individual services targeting specific needs, such as Enhanced Frequency Response (EFR).

Last year the company successfully tendered 201MW of EFR in eight projects totalling £65.95m (with an average price of £9.44/MW of EFR/h) to maintain the grid frequency at 50Hz.

This year the company is re-writing the process in a bid to

group together balancing services with similar requirements and make the process of energy distribution more flexible.

The three initial groups will include Frequency Response, Reserve Energy and Standby & Margin categories, although others may be added.

So for example, EFR and firm frequency response (FFR) dynamic and static will be in the general frequency response category; whereas reserve services and demand turn-up will be grouped in the reserve energy section along with STOR runway.

Work on the new proposal is ongoing, with National Grid planning to announce more details in its Electricity Future Operability Strategy document at the end of March.

The proposals are likely to involve a gradual roll out rather than a sudden step change of the policy.

Stewart Larque, head of Regional Media at National Grid, told BBB: “The intention is exactly the opposite to restricting the opportunities to big players – we want to remove complexity and barriers to smaller players and non-traditional technology types, encouraging greater competition for balancing services.

“The aim is to provide more clarity to all potential providers through having fewer but ‘deeper’ services where providers may tender in specific variables such as speed of response or duration. This will allow all assets, including storage, a better route to market than the current suite of products.

“So, in summary, parties providing response in enhanced timescales will still have a route to market but it will be through those deeper balancing service marketplaces rather than ad hoc periodic tender events.”

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Renewable energy key driver in grid-scale energy deployment

Thu, 09/01/2016 - 12:34 -- Paul Crompton
Renewable energy key driver in grid-scale energy deployment

North American firm AES Corporation will supply a total of 37.5MW of lithium-ion energy technology to a utility firm as the US continues to embrace energy storage for grid stabalisation.

Through its subsidiary, AES Energy Storage, the company signed two contracts with San Diego Gas and Electric (SDG&E) to install and commission two arrays.

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Flow battery firm name utility expert as new board member

Fri, 08/26/2016 - 11:33 -- Paul Crompton
Flow battery firm name utility expert as new board member

North American all-iron redox flow battery firm Energy Storage Systems has appointed a utility specialist to its board of directors.

Portland, Oregon-based ESS named former San Diego Gas & Electric President Michael R. Niggli as its latest board of directors member.

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Kokam partnership secures MWs of benefit for Korea

Fri, 08/19/2016 - 12:21 -- Paul Crompton
Kokam partnership secures MWs of benefit for Korea

Battery firm Kokam has secured a deal to supply a 13MW/h lithium-ion energy storage system (ESS) to aid frequency regulation to one of South Korea’s biggest utility companies.

The 36MW project will use the South Korean firm’s Ultra High Power nickel manganese cobalt (NMC) and NANO battery technology.

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UK gets first MW grid-scale lithium-ion energy storage system

Thu, 06/09/2016 - 15:52 -- Paul Crompton
UK gets first MW grid-scale lithium-ion energy storage system

Great Britain is to test its first battery system to provide grid-frequency after a partnership between energy utility firm National Grid and UK based Renewable Energy Systems (RES).

The 20MW battery storage system will provide a dynamic frequency response service with a second of a deviation, either higher or lower than 50Hz, being detected. 

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Giant UK battery launched to tackle challenges in energy storage

Tue, 03/29/2016 - 13:23 -- Paul Crompton
Giant UK battery launched to tackle challenges in energy storage

A project to connect a lithium titanate battery to the grid proves the UK is gradually catching up with the rest of the world when it comes to adopting energy storage to balance grid frequency at the utility scale.

Research at the facility, the first to use a lithium titanate battery, which is made up of 21,120 cells supplied by Toshiba, will be led by the University of Sheffield (UoS).

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US regulators agree grid-scale lithium battery storage tests

Thu, 03/24/2016 - 16:00 -- Paul Crompton
US regulators agree grid-scale lithium battery storage tests

US State regulators have given utility-holding company Xcel Energy permission to test the use of large lithium batteries to store solar power.

The testing will take place at two sites in the Stapleton neighbourhood in Denver, Colorado.

On one site, Xcel will install a utility-scale power system at a car park at Denver International Airport.

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