E.ON Climate and Renewables North America signed a deal with Tucson Electric Power to provide frequency response and voltage control from a grid-scale storage facility.[quote] The 10 megawatt (MW) battery energy storage facility with a 2MW solar array will be located adjacent to the University of Arizona Science and Technology Park southeast of Tucson. [Tennessee utility partners on energy storage pilot]
Through the Iron Horse Battery Energy Storage Project, E.ON will supplement TEP's grid management as well as provide energy to TEP from its 6.6 MW Tech Park Solar and 13.2 MW Valencia Solar facilities. E.ON has also partnered on the turnkey construction of TEP's 17.2 MW solar facility at the Fort Huachuca Army Base near Sierra Vista, Arizona.
Steve Trenholm, president of E.ON Solar, said: "E.ON, as a provider of global energy solutions, is proud of our ability to work with a utility like TEP to provide innovative grid reliability solutions benefiting their customers. Beyond providing grid-scale battery storage capabilities, E.ON has partnered with utilities to provide energy through PPAs and to complete quality turnkey solar facilities.”
Carmine Tilghman, a TEP senior director who oversees the company's renewable energy programmes added: "We're working very hard to build a more resilient grid in a cost-effective way for our customers, and exploring energy storage technologies is an important aspect of our efforts. E.ON provides both innovative technologies and a wealth of expertise that will help us to achieve our long-term renewable energy and resource planning goals.”
Customised energy storage solution
As part of the deal, E.ON has partnered with energy storage software and integration services provider Greensmith Energy to design and integrate a customised energy storage solution for TEP - capable of providing the benefits of a conventional generation system's availability and response capabilities. [US utility employs Tesla storage solution for grid reliability]
The project will enhance Tucson Electric Power’s contribution to grid stability by providing ancillary services during the 10-year contract period.
Mark Frigo, E.ON's VP of Energy Storage North America, said: “The system will be capable of responding faster than conventional generation to adjust to rapid changes in power demand.
"Our team engineered the right set of technologies to fulfill the customer's vision of what they need to manage their system efficiently and effectively."
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