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Kokam deploys 30 MW, 11.4 MWh energy storage system in Australia

Kokam Co., Ltd, successfully deployed for Alinta Energy, a leading Australian utility, a 30-megawatt (MW) system / 11.4-megawatt hour (MWh) Energy Storage System (ESS), the largest lithium-ion battery deployed for industrial application in Australia.

The ESS features Kokam’s high power Lithium Nickel Manganese Cobalt (NMC) Oxide battery technology, and is being used to improve the performance of an islanded high voltage network, which supplies power to major iron ore producers in the Pilbara region of Western Australia.

Operational since April 2018, the ESS consists of five 2.2 MWh Kokam Containerized ESS (KCE) units using Kokam Ultra High Power Lithium-ion NMC (UHP NMC) batteries. The ESS, in conjunction with Alinta Energy’s existing 178 MW open cycle gas turbine Newman Power Station, serves as a hybrid natural gas/battery energy generation and storage system.

This hybrid system, along with a 220 kV high voltage power transmission system and high voltage substations, form an islanded microgrid that is used to power iron ore mines.

In addition to delivering Alinta Energy the ESS used for the project, Kokam, in partnership with EPC contractor UGL Pty Ltd, also served as the system integrator on the energy storage project. Kokam contracted ABB Australia to supply the ABB PowerStore Virtual Generator used to manage the microgrid.

Adding the ESS to the microgrid will improve Alinta Energy’s ability to reliably deliver energy to the region’s iron ore producers.

Designed for high-power energy storage applications, the UHP NMC battery technology can be used by utilities and other energy services companies for spinning reserve, frequency regulation, wind or large solar power system ramp rate control, Uninterrupted Power Supply (UPS), voltage support and other applications that require large amounts of power be dispatched in seconds or less.

In addition, the technology’s ability to receive and dispatch quickly very large amounts of power make it particularly well suited to be combined with natural gas, diesel and other power systems used to generate energy for industrial applications, where even a brief power disruption that shuts down mining, off-shore drilling or other industrial operations can result in costs totaling hundreds of thousands or even millions of dollars.

The UHP NMC battery technology features:

  • High discharge rate: UHP NMC battery technology has a max discharge rate of 10C, compared 3C for competitors. This enables UHPNMC batteries to dispatch more power when needed.

  • High energy density: The UHP NMC battery technology’s high energy density enables up to 3.77 MWh of energy storage to be installed in a 40 foot container, compared to 3 MWh of energy storage for standard NMC batteries, allowing more energy to be stored in a smaller space.

  • Long cycle life: UHP NMC batteries can last up to 10,000 cycles, compared to 3,000 - 5,000 cycles for standard NMC technologies, increasing the energy storage system's expected life.

  • Improved heat dissipation: With a heat dissipation rate that is 1.6 times better than standard NMC technologies, UHP NMC batteries can be used at a higher rate for longer periods of time with no degradation in battery life or performance.

Comments

Davemart

Here is Kokam on how the UHP NMC cells work:
http://kokam.com/cell/

SJC

Good explanation of the cell, thanks Davemart.

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