China's solar PV demand sunk 23 percent in 1Q13 to 6.2 gigawatts (GW), driven by seasonality and policy incentive deadlines. Chinese demand largely drove a burnoff in upstream inventory accumulated over several quarters, but repetitive swings in Chinese demand over the next year will emphasize the need for smart capacity utilization and inventory control, according to SolarBuzz analyst Michael Barker in a recent report.