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PV storage

MPower builds PV energy storage facility in Oz

Thu, 01/08/2015 - 17:24 -- Laura Varriale
PV energy storage in Oz

Australian power solutions provider MPower is to deliver a grid-connected utility scale energy storage facility in Queensland, Australia.

The $2m project will be the country’s biggest energy storage system connected to a solar PV plant, currently under construction. It will store generated electrical energy during periods of excess capacity and release it during periods of peak demand.

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Residential storage to rise tenfold by 2018 – IHS

Fri, 11/14/2014 - 13:57 -- Laura Varriale
PV storage to tenfold by 2018 – IHS study

The global residential solar PV energy storage market will rise tenfold to 900MW by 2018, according to a study by analysis firm IHS.

The growth will be driven by the increasing attractiveness of PV for self-consumption as well as by subsidies and increasing interest from homeowners in becoming more independent of the electricity grid, the study 'Energy Storage in PV Report – 2014' reports.

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Axion to supply lead battery storage to 9.1MW PV farm

Tue, 11/04/2014 - 09:27 -- Laura Varriale
Axion ESS PowerCube

US energy storage company Axion Power International (Axion) is to deliver lead-carbon batteries and its energy storage system (ESS) to a solar farm in Pennsylvania, US.

Axion will connect its PowerCube to the 13-state PJM grid and deploy other frequency regulation systems for the management of intermittent energy resources at the Coatesville Solar Initiative (CSI) site.

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Amara Raja Batteries to enter solar and motive power markets

Fri, 08/29/2014 - 13:04 -- Laura Varriale
Amara Raja Batteries

India's Amara Raja Batteries (Amara) is to expand into the solar and motive power markets and plans to open a second manufacturing plant in Chitoor, India.

Amara aims to target the solar storage market with its lead-acid batteries. Its motive power batteries are aimed to be supplied to a wide variety of electric powered transportation systems, including the railway market.

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5MW off-grid PV-diesel hybrid plant with battery storage to be built in Bolivia

Thu, 08/21/2014 - 16:16 -- Laura Varriale
PV plant

A 5MW solar-diesel hybrid power plant connected battery storage is to be installed in Bolivia's Pando province.

Solely diesel generators are currently powering the remote area, located 4,000 metres above sea level and not connected to Bolivia's national grid. The 5MW solar plant is designed to meet half of Pando's capital city Cobija's power demand. The city has 45,000 residents.

Inverter manufacturer SMA is to provide controlling systems, central inverters and battery storage. "The SMA Fuel Save Controller records the energy flows in the stand-alone grid and uses that information to determine the maximum permissible PV power. In this way, we can guarantee permanent system stability and ensure smooth control of the gensets," said SMA senior vice president off-grid and storage Volker Wachenfeld.

Spain's engineering firm Isotron is currently carrying out the construction of the plant.

The plant is aimed to reduce the annual consumption of 20m litres of diesel and save $3m of fuel costs.

The solar power plant is set to start generating 2MW of electricity later this year and increase the capacity over the following months. According to SMA, it is worldwide the biggest plant of its kind.

The plant is fully state-owned.

Highpower and Andalay Solar partner for off-grid ESS

Tue, 08/19/2014 - 14:47 -- Laura Varriale
Highpower ESS

Chinese Highpower International and Californian Andalay Solar have teamed up for the development of a solar energy storage system (ESS).

The ESS is aimed to enable Andalay Solar’s customers to go off-grid or to deploy a hybrid system, which should reduce utility grid fees.

Highpower International’s ESS comprises six 2.4KWh lithium-ion battery modules and an output converter. The ESS is to be integrated with Andalay Solar’s solar AC/DC systems. In case of the hybrid system option, the utility grid network and the solar system will generate the energy. The system will be designed to provide enough power to sustain household and electronic appliances and all power outlets.

“Energy storage has become an important focus of the solar industry and will be an essential component of system design and installation," said Steven Chan, CEO of Andalay Solar. Chan said that the company wants to focus on customer’s cost-savings and return on investments.

“Andalay Solar's extensive technical know-how, first-hand experiences and understanding about the demand from end customers in the solar market is ideal for commercializing our advanced storage solution,” said Bryan Bai, vice president of sales at Highpower International.

ACE LLC Solar installs ESS at off-grid PV plant

Fri, 08/15/2014 - 12:51 -- Laura Varriale
PV plant

US-based Apel Steel has commissioned energy solutions provider ACE LLC Solar to install its energy storage system (ESS) at the company’s 340KW PV plant.

The utility-scale energy harvesting, monitoring and distribution system aims to move the PV plant off the grid to make metal manufacturer Apel Steel independent from the grid.

The ESS, called enerGStation, has a three-phase power at up to 2MW in increments of 100kW. Each integrated inverter is rated at 100kW and can be configured in parallel to provide a 2MW system. The system uses renewable energy when available and sufficient. Otherwise, it uses local energy storage from batteries to deliver the total energy demanded by loads.

The plant is designed to meet 98% of Apel’s annual power demand for its heavy machinery and plant operations. The ESS will save the Alabama company more than $3M on its electricity bills over the 30-year life expectancy of the system, according .

Suntech produced the solar panels and Tenessee-based ACE LLC Solar conducted the final installment of the PV plant along with its ESS.

A microgrid on the rocks: 1900kWh microgrid project on Alcatraz

Thu, 08/14/2014 - 12:03 -- Laura Varriale
Alcatraz Island

Princeton Power Systems has celebrated the two-year operation of its commercial scale microgrid system on Alcatraz Island in the San Francisco Bay, US.

The New Jersey energy storage company installed 400kW of solar panels on the roof of the former San Francisco prison on the island and integrated the PV system with a 400kW lead-acid battery bank, two diesel generators, controllers and inverters. The system meets 60% of the island’s electricity demand.

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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.

KIT: “Alarming” safety issues with German PV storage systems

Thu, 07/03/2014 - 15:59 -- Laura Varriale
tested storage system at KIT

Lithium-ion storage systems for PV installations built in Germany show serious safety deficits, according to German-based research centre Karlsruhe Institute of Technology (KIT).

Safety issues range from lack of safety certifications, badly installed field-effect transistors (FET) to loose materials in the system. Several batteries generated smoke, exploded or caught fire during test runs.

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