PRINCETON, N.J.--(BUSINESS WIRE)--NRG Yield, Inc. (NYSE: NYLD, NYLD.A) plans to present its Second Quarter 2015 financial results in a conference call and webcast to be held Tuesday, August 4, 2015 from 9:30 to 10:00 am Eastern following NRG Energy’s (NYSE:NRG) earnings call scheduled for 8:00 am the same day. A live webcast of the conference call, including presentation materials, can be accessed through NRG Yield’s website at http://www.nrgyield.com and clicking on “Presentations & Webcas