SOURCE: Imergy Power Systems, Inc.

Imergy Power Systems, Inc.

June 15, 2015 06:00 ET

India's Global Academy of Technology (GAT) College Installs Imergy Flow Battery

Battery Will Reduce College's Use of Its Costly Backup Diesel Generators, and Help Students Study How Solar Power and Energy Storage Can Enable Rural Electrification

FREMONT, CA--(Marketwired - June 15, 2015) - Imergy Power Systems, a leader in advanced energy storage solutions, announced today that the Global Academy of Technology (GAT) College, an engineering education institution in Bangalore, India, has installed a 30 kilowatt (kW), 120 kilowatt hour (kWh) ESP30™ vanadium flow battery at the school's SunEdison-GAT solar research and testing center.

The long-duration battery (four hours at nominal power) will reduce the need for GAT College to run diesel-fueled generators when there are power outages at night. In 2014, GAT College purchased 700 gallons (2,940 liters) of diesel fuel with its 180KVA backup diesel generator.

The ESP30, the first vanadium flow battery to be installed at an Indian academic institution as well as the first to be installed in the Indian state of Karnataka, was commissioned on May 30, 2015. The battery will store energy generated by a SunEdison 50 kW photovoltaic (PV) solar power system.

SunEdison, Inc. (NYSE: SUNE), the world's largest renewable energy development company, collaborated with the college in Bangalore to create a research and development facility at the Bangalore campus. The facility is used to study solar water pumps, storage solutions, hybrid systems, solar power plant monitoring and mounting structures. This facility started operation in March 2014.

GAT College faculty and students will use the new batteries to study how vanadium flow batteries operate and work in conjunction with PV solar power systems. Faculty and students will study how rural microgrids can use energy storage to optimize PV solar power system production, and how a PV solar power system and vanadium flow battery perform under grid outage conditions.

In India, approximately 300 million people lack basic access to electricity, while electrified areas suffer from rolling electricity blackouts. Solar power combined with long duration energy storage offers a potential solution to both these challenges, allowing India to spread reliable clean energy to areas with no or unreliable access to the grid.

Unlike many other battery technologies, the Imergy ESP30 will be able to handle Bangalore's extreme temperatures without any impact on its performance. Installed outside, the GAT College's ESP30 energy storage system can operate in temperatures ranging from -20 degrees to 55 degrees Celsius (-4 degrees to 131 degrees Fahrenheit) with no degradation in performance.

"Whether it is helping us keep the lights on at night, or providing us with a real-world example of microgrid technology, this new Imergy ESP30 battery will provide tremendous benefits to GAT College's faculty and students," said GAT College Secretary Mr. Venkatappa. "In particular, many of our engineering students are interested in helping our country electrify rural communities, and this Imergy ESP30 battery will allow them to work with one of the key technologies that enable rural electrification."

"Vanadium flow batteries like the ESP30 are particularly well suited for use in India, where most energy storage users need long-duration energy storage, and where most installations are located outside and experience extreme temperature conditions," said Imergy Power Systems CEO Bill Watkins. "While many battery companies are talking about how their battery technologies will accelerate renewable energy deployment around the world in the future, Imergy has the battery technology and is driving deployment today."

Groundbreaking Storage

Imergy Power specializes in a proprietary, vanadium based flow battery system, the most cost-effective energy storage technology available today. Flow batteries essentially store energy in a liquid electrolyte that circulates between tanks. The simplicity of the design creates a robust and efficient system that can be cycled an unlimited number of times, and charged and discharged completely without impact on its lifespan. Integrated power electronics manage the charging and discharging processes, providing customers with a lower total cost of ownership (TCO) than other types of batteries. The unique architecture allows the system to be scaled up in size by simply increasing the electrolyte volumes. Imergy's ESP systems also inherently last longer: while lithium ion batteries may have to be fully replaced every five to seven years, an ESP system needs only partial component replacements over 20 years or more of service.

About Imergy Power Systems
Imergy Power Systems is a leader in stationary energy storage solutions using innovative flow battery technology. Its proven Energy Storage Platform (ESP) provides a total solution to reduce energy cost and optimize renewable power generation while improving overall power reliability. Imergy Power Systems is headquartered in Fremont, California, USA, with additional operations in Europe, Asia, and the Americas. The Company's investors include venture capital firms NEA, Technology Partners, and Blue Run. For more information about the company, please visit www.imergy.com or follow us on Twitter.

About SunEdison
SunEdison is the world's largest renewable energy development company and is transforming the way energy is generated, distributed, and owned around the globe. The company develops, finances, installs, owns and operates renewable power plants, delivering predictably priced electricity to its residential, commercial, government and utility customers. SunEdison is one of the world's largest renewable energy asset managers and provides customers with asset management, operations and maintenance, monitoring and reporting services. Corporate headquarters are in the United States with additional offices and technology manufacturing around the world. SunEdison's common stock is listed on the New York Stock Exchange under the symbol "SUNE." To learn more visit www.sunedison.com.

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