E.ON Begins Construction on Iron Horse Battery Energy Storage Project

TUCSON, Ariz., Oct. 31, 2016 /PRNewswire/ -- E.ON today began construction on its Iron Horse battery energy storage project.  Iron Horse, the first energy storage project for E.ON North America, is a customized 10 megawatt (MW), lithium-ion battery energy storage facility with an adjacent 2 MW solar array.  The project is located in the University of Arizona Science and Technology Park, southeast of Tucson, and is expected to be completed in the first half of 2017.  Iron Horse's batteries will provide the benefits of a conventional generation system's availability and response capability, but will be capable of responding to shifts in power demand more quickly, increasing system reliability and efficiency.

"Breaking ground on any project is exciting, but beginning construction on Iron Horse is especially exciting for us," said Steve Trenholm, President of E.ON Solar.  "Iron Horse is an important first step as E.ON establishes itself as a player in North American energy storage.  We are looking forward to delivering cost-effective energy storage projects with the same high quality that our customers have come to expect from us in wind and solar."

In July, E.ON signed a ten-year agreement with Tucson Electric Power (TEP) to provide frequency response and voltage control through Iron Horse.  TEP will use Iron Horse's capacity to help improve service reliability for customers while studying how energy storage systems can support the expansion of solar power resources and other renewable energy technologies.

"Iron Horse is just the first of several energy storage projects we are working on, and we look forward to further building E.ON as a player in the battery storage market," said Mark Frigo, VP of Energy Storage North America at E.ON.  "Our team worked with TEP to engineer the right set of energy storage technologies to meet their needs to manage their system more efficiently and effectively, and we plan to work with our all our clients to customize solutions for their storage needs.  We're excited to apply E.ON's utility storage expertise and proven track record of delivering projects on time and on budget to continue building a robust energy storage project portfolio."

In addition to providing enhanced grid stability through Iron Horse, E.ON provides energy to TEP from its 6.6 MW Tech Park Solar and 13.2 MW Valencia Solar facilities.  E.ON also partnered with TEP on the turnkey construction of TEP's 17.2 MW solar facility at the U.S. Army's Fort Huachuca Army Base, near Sierra Vista, Arizona.

"We're working very hard to integrate cost effective, innovative technologies that will improve service for our customers and support our expansion of renewable energy," said Carmine Tilghman, Senior Director of Energy Supply and Renewable Energy at TEP.  "That's why E.ON is an excellent partner for a project like this.  E.ON understands the promise and challenges of renewable energy and has demonstrated its expertise on other joint projects with us."

E.ON has developed, built, and operates more than 3,000 megawatts of solar and wind renewable energy generation across the U.S., with more on the way.  E.ON also offers O&M and asset management services to third party owner/operators looking for "Service with an Owner's Eye."

About E.ON
E.ON SE is an international investor-owned energy supplier and will in the future be focusing entirely on energy networks, customer solutions and renewables. In the 2015 financial year, more than 56,000 employees based in many countries in Europe as well as in North America generated sales of around €116 billion. Around 33 million customers purchase gas and electricity from E.ON. Within the global renewables segment, E.ON is a leading company and will continue to expand the share of renewable energy in E.ON's power generation portfolio. The company has already invested more than €10 billion and operates nearly 5.4 gigawatts of renewable capacity. E.ON is headquartered in Essen, Germany.

About TEP
TEP provides safe, reliable electric service to approximately 417,000 customers in southern Arizona.  To learn more, visit tep.com.  TEP, UES, and their parents company, UNS Energy, are subsidiaries of Fortis Inc., which owns utilities that serve more than 3 million customers across Canada and in the United States and the Caribbean.  To learn more, visit fortisinc.com.

Media Contact: Will Eberle
[email protected]|312.479.7627

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SOURCE E.ON

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