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Energy storage

Newcastle research team reveals “trigeneration” off-grid CHP system

Mon, 08/04/2014 - 16:43 -- Laura Varriale
Newcastle University

A consortium led by Newcastle University has developed a small-scale off-grid combined heat and power (CHP) system incorporating an energy storage system (ESS).

The small-scale CHP system, funded by the Engineering and Physical Sciences Research Council (EPSRC), uses waste heat to provide cooling and heat as well as power. A domestic-scale tri-generation system of this type would be rated between 6kW and 9kW electricity.

The ESS is designed to provide dependable electricity and to cope with daily fluctuation demand for electricity without a connection to the grid. “Our solution was to incorporate advanced electrical storage into the system, both batteries and the latest supercapacitors, combined with innovative system control,” said Tony Roskilly, professor at Newcastle University.

To make the system greener and accessible for isolated homes in developing countries, the CHP is run by biofuels. “We developed a system for using the oils obtained from pressing crop seeds, like those from jatropha and croton,” said Roskilly. The crops can grow in harsh environments and do not affect food production, according to the researchers.

The team also included researchers from University of Leeds, University of Ulster and three Chinese universities.

TransGrid installs 100kVA storage system in Australia

Wed, 07/30/2014 - 10:28 -- Laura Varriale
Magellan ESS

Network operator TransGrid has deployed a 100kVA energy storage system (ESS) in Western Sydney, Australia.

The battery ESS, build by Australian Magellan Power, utilises 400kWh lithium polymer batteries and an advance three-phase bi-directional inverter. It is designed to support the connected grid by providing peak demand and power quality service such as reactive power compensation.

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Saft secures major li-ion battery deal in Hawaii

Wed, 07/30/2014 - 10:06 -- Laura Varriale
Saft ESS

French battery supplier Saft is to supply a lithium-ion battery energy storage system (ESS) to a 12MW PV plant on Kauai Island, Hawaii, US.

Saft was contracted by Kauai Island Utility Co-operative (KIUC) to provide the 6MW ESS consisting of 10 containers in order to stabilise the Kauai island grid. Saft said the deal is worth “multi-million dollars”.

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CALEB and CalBattery to form li-ion battery JV

Thu, 07/24/2014 - 14:30 -- Laura Varriale
CalBattery

Los Angeles-based CALEB Technology (CALEB) and California Lithium Battery (CalBattery) have teamed up to build next-gen lithium-ion batteries.

The joint venture (JV) is set to produce a line of “ultra-high” performance lithium-ion batteries for consumer electronics, power tools and electric vehicles (EV).

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USABC awards $7.7m to Envia EV battery project

Thu, 07/24/2014 - 11:51 -- Laura Varriale
Envia facility

The US Advanced Battery Consortium LLC (USABC) has awarded $7.7m to California-based Envia Systems for an electric vehicle (EV) battery technology project.

The three-year project is focused on the development of high-energy lithium-ion layered-layered cathode and silicon-based anode material for EV applications. The goal of the research programme is to develop an energy storage system that supports the commercialisation of hybrid, plug-in hybrid, electric and fuel cell vehicles.

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NRStor deploys 2MW flywheel energy storage facility in Canada

Thu, 07/24/2014 - 11:32 -- Laura Varriale
NRStor flywheel facility

Toronto-based energy storage developer NStor has installed a 2MW grid-connected flywheel energy storage facility in Ontario, Canada – a first for the country.

The facility will provide service matched regulation to Ontario’s Independent Electricity System Operator (IESO).

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Approval for Convergent VRLA battery storage

Thu, 07/24/2014 - 11:26 -- Laura Varriale
VRLA batteries

New York-based Convergent Energy + Power has won a contract to install a valve-regulated lead acid (VRLA) battery storage plant in Boothbay Harbor, Maine, US.

The battery storage system is to feed 500kWh continuously to the grid. The system will be part of Central Maine Power’s (CMP) plan to provide load reduction on its transmission line to the Boothbay region and to prevent outages during peak hours.

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Highpower gets energy storage funding from Shenzhen government

Mon, 07/21/2014 - 16:04 -- Laura Varriale
Highpower ESS

Highpower International has received Rmb3.86m ($622,200) from state funds to develop its PV and off-grid energy storage systems (ESS).

The funds, given by Development and Reform Commission of Shenzhen Municipality, will be mainly spent on development and production equipment in order to accelerate production for Highpower’s residential ESS, the company said.

Highpower’s subsidiary Icon Energy Systems recently introduced an ESS-line, which features a lithium-ion battery, solar cell panel and inverter output device, charged by PV and commercial grid. The product line ranges from 0.5kWh to 15kWh and aims to serve the needs of commercial and residential power systems, solar power, back-up emergency power and outdoor uses.

George Pan, chairman and CEO of Highpower said: “Both central and local governments of China are committed to nurturing and favoring the development of the clean energy industry. We continue to benefit from increasing government support and intend to leverage our expertise and production capability to increase our pipeline of rechargeable battery products.”

The global energy storage market is expected to grow fast over the next years. According to Navigant Research, the micro grid market will increase from $4.3 billion to $19.9 billion in 2020.

Battery supplier Highpower also manufactures consumer-oriented chargers for e-bikes as well as lithium and nickel-metal hydride-based batteries.

AU Optronics introduces li-ion storage system in Australia, Japan and Europe

Thu, 07/17/2014 - 11:12 -- Laura Varriale
AU Optronics

Taiwan AU Optronics (AUO) has launched an energy storage system (ESS) PowerLegato for commercial and residential use after being certified by German testing house TÜV Rheinland.

The self-claimed high density ESS provides a 48V lithium-ion battery produced in Japan and features over current, temperature, voltage and undervoltage protection. The system is available in 2.4kWh, 4.8kWh and 7.2kWh. It supports hybrid energy inputs and outputs and has the option to choose between PV DC and grid AC sources.

The system can also operate fully stand-alone off grid in Germany as well as the UK and can serve as emergency backup, according to the company. It also fulfills the qualifications for the Japanese S-mark incentive programme, allowing owners to receive subsidies.

According to AUO, the ESS can store 25% more energy per kg than its competitors.

The residential version entered the European market in 2013 and was awarded for its design by iF and Reddot.

German research centre Karlsruhe Institute of Technology (KIT) recently warned about safety issues of non-certified residential ESS.

CLNR installs li-ion batteries for smart grid project across North England

Thu, 07/17/2014 - 10:41 -- Laura Varriale
CLNR energy storage

Customer-Led Network Revolution (CLNR) has deployed six energy storage devices across live electricity networks in North East England and Yorkshire.

The lithium-ion batteries, manufactured by A123 Systems, have capacities of 5MWh, 200kWh and 100kWh. The energy storage systems are integrated with other network technologies such as voltage control, real time thermal rating and customer solutions of demand response.

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