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Energy Storage System utilizes vanadium flow battery.

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June 6, 2014 - Featuring modular, plug-and-play design, grid-scale Uni.System™ comprises five 20 ft standard containers requiring only concrete pad and interconnection. Containers provide 500 kW of power for 4 hours, with power up to 600 kW and energy up to 2.2 MWh. All-in-one Uni.System provides both short and long buffering capabilities to integrate renewables effectively with grid. With temperature range of -40 to 120F, system supports micro-grids in diverse locations and settings.

UniEnergy Technologies Announces Commercial Availability of Uni.System(TM) Grid-Scale Energy Storage System

UniEnergy Technologies
4333 Harbour Pointe Blvd SW, Suite A
Mukilteo, WA, 98275

Press release date: May 29, 2014

Advanced vanadium flow battery provides containerized multi-megawatt "all in one" solution

MUKILTEO, Wash., -- UniEnergy Technologies (UET), manufacturer of large-scale energy storage systems for utility, commercial and industrial, and micro-grid applications, today announced commercial availability of the Uni.System(TM) grid-scale energy storage system.

The Uni.System is modular, factory-integrated (including power conversion), and "plug & play," comprised of five 20' standard containers requiring only a concrete pad and interconnection that provide 500kW(AC) of power for 4 hours, with power up to 600kW(AC )and energy up to 2.2MWh(AC).

"Utilizing a new generation of vanadium electrolyte initially developed at Pacific Northwest National Laboratory supported by the U.S. Department of Energy's Grid Storage Program, with double the energy density and much broader operating temperature range, the Uni.System is a breakthrough product," said UET President & CEO Gary Yang. "In addition to all the advantages of traditional vanadium redox flow batteries, such as superior safety, unlimited cycle life, long duration, and full use of the battery from 0 to 100% state of charge, the Uni.System is fully containerized including for the first time at grid-scale integrated electrolyte tanks, field-proven large-scale stacks, and optimized controls and power electronics. The UET solution is rugged and versatile, built for enhanced reliability and minimized maintenance, with a flexible system design enabling multiple and concurrent power and energy applications delivering maximum value to customers."

Uni.System integrates renewables, supports smart grids and micro-grids, and meets utility needs
With the ever-growing adoption of renewables such as wind and solar to meet portfolio standards and develop a clean energy future, the challenges of integrating these intermittent resources into the grid are escalating. Examples are solar in California, Hawaii, and Italy, and wind in the Pacific Northwest and Germany. The Uni.System provides the buffering capabilities - both short and long duration - to integrate renewables effectively with the grid.

Energy storage is also critical to smart grids, similar to how data centers are key to the internet. The Uni.System, with its operational flexibility, provides the full range of power and energy functionality required to support the operation of the Smart Grid. That same "all-in-one" capability of the UET system, combined with its broad temperature tolerance (-40(o)C to 50(o)C/-40F to 120F), suits it to reliably supporting micro-grids in diverse locations and settings.

In addition to the demands placed on utilities by renewables, smart grids, and micro-grids, utilities must provide resiliency, such as after the impact of Sandy on New York and the eastern U.S. And they face a complex business environment regardless of location. Distributed generation, the shift to digital loads, loss of system inertia, and optimizing return on infrastructure investments both past and present are among the challenges. The Uni.System helps utilities meet those challenges: it is safe and reliable, its performance is third-party validated, and its upfront cost is affordable and its levelized cost of energy over the 20 year system life compelling.

About UET
UET produces large-scale energy storage systems for utility, commercial and industrial, micro-grid, and other applications. The core patented technology is an advanced vanadium flow battery, with breakthrough electrolyte, containerized design, mature large-scale stacks, and state-of-the-art controls and power electronics. The Uni.System(TM) is safe, operationally flexible, reliable, long-life, and economically compelling. Based in the Seattle area, UET operates a 67,000 square foot engineering & manufacturing facility scaling up to produce 100 megawatts annually.

For more information, contact, and visit the UET website at
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