On January 23rd, 2013, Duke Energy (Charlotte, North Carolina, U.S.) announced that it has completed a 36 megawatt (MW) battery storage system at its 153-MW Notrees Energy Storage unit in western Texas.

The integrated facility at Notrees provides both environmentally friendly and flexible capacity to the Electric Reliability Council of Texas (ERCOT), which operates the electrical grid in Texas and manages 75% of the deregulated market in the state.

The system, designed and installed by Xtreme Power (Austin, Texas, U.S.), is capable of deploying fast-acting reserves to support the ERCOT grid reliability and helping the system operator maintain supply and demand balance with near-instantaneous feedback of frequency changes or other unexpected events.

A potentially game-changing technology

"Great partnerships with Xtreme Power, ERCOT and the U.S. Department of Energy on this project are giving us insights about this important and potentially game-changing technology," Duke Energy Renewables President Greg Wolf stated.

In addition to other energy management services, the storage unit supports ultimate wind farm performance as it can absorb power from the wind farm during times of low demand or high curtailment and release power when it is most beneficial to the market.

Xtreme Power's innovative control system, XACT, will manage real-time performance and response of the system in response to site and grid conditions.

2013-01-29 | Courtesy: Duke Energy | solarserver.com © Heindl Server GmbH

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