ISO Market Participants:
  As previously indicated, the ISO will begin separating
Operating Reserve (Spin and Non Spin) designated as "Contingency/Emergency
Only" from the Imbalance Energy (BEEP) stack.  Resources that made the one
time election to be used for "Contingency/Emergency Only" will be excluded
from use for Imbalance Energy beginning Hour Ending 0100 on Operating Day
March 20, 2001.
  You may direct any questions regarding this notice to Brian
Rahman, Manager of Markets, at 916-608-5883.

  Byron B. Woertz, Jr.
  Director, Client Relations
  (916) 608-7066