Jump to the main text

Hitachi America, Ltd.

Hitachi

5/3/2010

Hitachi America, Ltd. Focusing On Energy Storage For Wind And Solar Farms

- - Company’s Long Life Lead Acid Battery Contributes To Complete Storage Solution - -

Tarrytown, NY, May 3, 2010, Hitachi America, Ltd’s Industrial and Infrastructure Systems Division today announced that it is focusing on Energy Storage for the Smart Grid to complement Wind and Solar Farms. Hitachi has completed eight projects since March 2000 and will complete another one this year. As the emergence of the Smart Grid gains momentum and the use of intermittent renewable energy sources such as wind and solar increasingly penetrate the market, Hitachi is well positioned to contribute to these infrastructure changes with innovative, reliable technology solutions.

Increasing dependence on the grid of the future poses significant challenges for North America’s aging utility infrastructure which is already in need of significant upgrade investments, particularly in the area of energy transmission and distribution. The inevitable shift to plug in hybrid vehicles (PHEV) and full battery electric vehicles (BEV) will also require changes in the way energy is generated and stored. Hitachi’s grid energy storage technology provides multiple solutions to help address these challenges.

Regarding the grid, storage can provide regulation services that keep the addition of energy to/from the grid regulated to keep total generation precisely matched to total load. Storage can also provide load following (adjusting to shifts in wind and solar over time frames) as well as ramping, which compensates for multi-hour changes in renewable outputs. Additionally, efficient storage can also eliminate the need for new transmission and distribution lines by making better use of existing wires during slow times. For example, in the middle of the night, energy from remote wind generators can be moved close to the load, for use during peak periods the next day. Storage can also be relocated if demographic shifts result in changed output requirements. More importantly, storage that is located near loads can reliably provide power to a community during a blackout.

In contrast to energy generated by fossil plants, storage responds instantly while fossil plants take tens of minutes. Storage also adds no energy to the grid while it is standing by to protect against a drop-off in the output from renewable energy sources. Fossil plants create energy and emit pollution even when standing by at minimum settings. This energy is unwanted when renewable generation is high. Storage can also be deployed quickly, typically in a few months. In contrast, fossil plants take years and are almost impossible to site in urban areas.

As it continues to undertake and complete major projects with regard to wind and solar farms, Hitachi has decided to make its Long Life Lead Acid Battery available in the North American marketplace. This product is already offered in Japan and has been used with great success in eight projects in Japan.

Long Life Lead Acid Batteries have significant advantages over regular lead acid batteries. Hitachi relies on these batteries in a complete energy storage solution as they provide one to four hour discharge; operate at ordinary temperatures; provide for instantaneous start-up; have a 15 – 17 year Battery life depending on the number and depths of discharges and temperatures the battery is exposed to; and, finally, these batteries can be recycled at the end of their life cycle.

ABOUT HITACHI
Hitachi America, Ltd., Industrial and Infrastructure Systems Division distributes a broad range of technologically sophisticated equipment and systems designed to support the advanced engineering needs of industrial and infrastructure facilities today and in the future. Our equipment and systems also support the world’s industry and infrastructure through advanced technologies in the fields of power generation, industrial drive systems, oil and gas, water supplies and treatments and mass railway transportations that contribute to industrial and social development.

Hitachi America, Ltd., headquartered in Tarrytown, New York, a subsidiary of Hitachi, Ltd., and its subsidiary companies offer a broad range of electronics, power and industrial equipment and services, automotive products and consumer electronics with operations throughout the Americas. For more information, visit www.hitachi-america.us. For information on other Hitachi Group companies in the United States, please visit www.hitachi.us.

Hitachi, Ltd., (NYSE: HIT / TSE: 6501) is a leading global technological and industrial company with total revenues of ¥10,000 billion ($102.0 billion) for the year ended March 31, 2009. Hitachi’s business is highly diversified, encompassing operations in the following seven segments: Information & Telecommunication Systems; Electronic Devices; Power & Industrial Systems; Digital Media & Consumer Products; High Functional Materials & Components; Logistics, Services & Others; and Financial Services. For more information on Hitachi, please visit Hitachi's website at http://www.hitachi.com.

Contact
Scott Straka
Director
Industrial and Infrastructure Systems Division
(914)524 - 6640
Scott.straka@hal.hitachi.com