CGoering@nyiso.com writes to the NYISO_TECH_EXCHANGE Discussion List:

The NYISO is reserving hours beginning 9:00, 16:00, 17:00, and 19:00 -
23:00 in the November 19, 2001 Real-Time Market as well as the following
hours per ECA 20010908B to verify prices:

HQ:  None
NE:  None
OH:  None
PJM: None

In addition, the NYISO is reserving all locational reserve prices in hour
beginning 16:00 of the November 19, 2001 Hour-Ahead Market.
Prices in the November 20, 2001 Day-Ahead Market are correct.

This e-mail information is a copy of the official posting which can be
found at the following address of our website:
http://mis.nyiso.com/public/htm/OperMessages/CurrentOperMessages.htm#mm