In the power industry, customer demand must be balanced in real-time with utility supply. In the past, this task consisted of estimating demand and providing for the supply in advance, and dispatching the supply to meet the demand in real-time. Now,as more and more variable energy resources such as wind and solar are coming on-line, the task of balancing demand and supply is creating very real challenges for those responsible for operating the grid. Mr. William Barlak will speak on the nature of the challenges and how the power industry aims to meet them.