Yesterday's events unfolded as follows: at 6.43 a.m., Transpower issued a low residual notice to participants following their forecast showing a deficit in generation during the forecast evening peak. Transpower requested more generation or less load. At 1.02 p.m. yesterday, Transpower issued a warning that there was insufficient generation coming in for the evening peak, and another warning was issued at 5.07 p.m. At 6.40 p.m., Transpower issued a request for network companies with direct grid connection to shed load by 1 percent. At 7.10 p.m., Transpower issued a grid emergency notice.