Q. Please state your name and position. A. My name is Charles Simmons and I have been retained to provide assistance to Highland Citizens in regard to the application of Highland New Wind Development, LLC to construct a wind generation facility in Highland County. Editor's Note:This testimony provides an excellent description of how a grid works- particularly the role of 'economic dispatch' and 'spinning reserves'. It also addresses the methodology for estimating emissions savings and numerous other topics of interest.