A Solar Success Story—and a Wake-Up Call for APAC Energy Planning (and ESG) If you’ve been following the clean-energy transition, you may have heard the term “duck curve.” It sounds casual, but it describes a very real operational challenge that shows up when a power system adds lots of solar PV in a short period of time—something many APAC markets are actively doing. What is the duck curve? The duck curve is a chart of net load —the electricity that the grid must supply a