1. National Renewable Energy Laboratory 1 , Golden, Colorado 80401, USA
2. AES Clean Energy 2 , Louisville, Colorado 80027, USA
3. Pacific Northwest National Laboratory 3 , Richland, Washington 99354, USA
4. University of Colorado at Boulder 4 , Boulder, Colorado 80309, USA
5. Department of Mechanical Engineering, The University of Texas at Dallas 5 , Dallas, Texas 75080, USA
6. College of Atmospheric and Geographic Sciences, and School of Meteorology, University of Oklahoma 6 , Norman, Oklahoma 73019, USA