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

The NYISO is reserving hours beginning 04:00 and 05:00 in the April 30, 2001
Real-Time Market as well as the following hours per ECA20001006B to verify
prices:

PJM: 01:00 - 07:00, 17:00, 19:00, 21:00, 22:00
OH:  05:00 - 07:00, 17:00, 19:00, 21:00, 22:00
HQ:  05:00 - 07:00, 17:00 - 19:00, 21:00, 22:00
NE:  00:00, 05:00 - 07:00, 17:00, 19:00, 21:00, 22:00

Prices in the May 1, 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