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

The NYISO is reserving hours beginning 09:00 and 12:00 - 23:00 in the May 3,
2001 Real-Time Market as well as the following hours per ECA20001006B to 
verify
prices:

PJM: 00:00, 18:00, 22:00
OH:  00:00, 18:00, 22:00
HQ:  00:00, 09:00, 18:00, 22:00
NE:  00:00 - 12:00, 18:00 - 20:00, 22:00 - 23:00

Prices in the May 4, 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 on our website:
http://mis.nyiso.com/public/htm/OperMessages/CurrentOperMessages.htm#mm