Fortnightly Magazine - February 1 2001
1 ISO terminology is complex and often misleading. A Stage 1 emergency occurs when the ISO does not meet its own reserve criteria. Stage 2 occurs when it cannot meet a 5 percent reserve margin. A Stage 3 takes place when it cannot meet at 1.5 percent reserve margin. An ISO emergency can take place even when local resources are available-so long as they have not been bid into its daily reserve purchasing.
February 1, 2001
Who Lost Deregulation?
1 A representation of a generic interconnection, with thermal, hydro, and nuclear generation sharing a grid with a winter peaking load.
2 , 93 FERC 61,294, Dec. 15, 2000.
3 For a survey of methods, see J.W. Marangon Lima "Allocation of Transmission Fixed Charges: An Overview,", Vol. 11, No. 3, 1996.
Why it's just as important for the old economy.
Mention "power quality" and the mind conjures up visions of tech hotels stuffed with Internet servers running 24/7, retrofitted into inner city industrial warehouses-buildings sturdy enough to forgive the heavy installation of custom power supply equipment and racks of batteries. Or perhaps Silicon Valley.