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Innovative Detection System Designed to Protect Bats at Wisconsin Windfarm

Bedford, NH — Thursday, April 04, 2013 — Normandeau Associates is creating a new, cutting-edge Bat Detection Shutdown System for Electric Power Research Institute (EPRI) by installing ReBAT™ acoustic monitoring systems on four wind turbines at We Energies' Blue Sky Green Field wind energy facility. The project focuses on developing an acoustic-based, SCADA-integrated system that can be used to automatically modify wind turbine operations when an elevated collision risk for bats is predicted based on local and regional meteorological conditions as well as species-specific activity.

The Bat Detection Shutdown System will assist in minimizing bat mortality and complying with state and federal regulations.

Normandeau's Christine Sutter, technical director and bat team lead, describes how the system will work, "The Bat Detection Shutdown System receives near real-time data streams of bat acoustic activity and atmospheric conditions, which are fed into a species-specific, predictive mortality model." The model predicts risk levels that are then transmitted to the SCADA system in time to modify turbine operation to minimize risk.

Normandeau is coordinating with Vestas Wind Systems, manufacturer of the turbines, to ensure full integration between the SCADA and Bat Detection Shutdown systems.

"Ideally," adds Sutter, "this approach will allow wind energy facilities to operate at normal capacity with limited, targeted modifications, thus minimizing power generation loss while reducing bat mortality."

The efficacy of the Bat Detection and Shutdown System will be tested in 2014.

Watch an EPRI video about this project and learn more about ReBAT at www.rebatsystem.com.
Christian Newman
(352) 372-4747 ext. 7005

cnewman@normandeau.com

About Normandeau Associates, Inc.
Normandeau Associates, Inc. is one of the largest science-based environmental consulting firms in the United States serving both the private and public sectors. Founded in 1970, it is a trusted leader in delivering sound, innovative scientific solutions to a global clientele. Normandeau's extensive team of experienced field scientists, analysts, researchers, and permitting specialists delivers technically credible information to help achieve project goals, meets regulatory requirements, and promotes sustainable economic development while protecting and restoring natural resources. Headquartered in Bedford, New Hampshire with offices nationwide, Normandeau is 100% owned by its employees. For more information please contact Normandeau at (603) 472-5191 or visit www.normandeau.com.

Normandeau Associates Media Contact
Richard Nardini
360.694.2300
rnardini@normandeau.com