Sample times Time Load (MW) 2315 50 2317 110 2330 200 2331 165 2344 to 0015 600 0030 135 0030 to 0703 10 to 255 0703 to 0729 600 0730 170 0730 to 0745 170 to 260 0746 610 0747 to 0800 605 0812 575 0813 475 0813 25 secs 0