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

The NYISO is reserving hours beginning 01:00, 03:00 - 04:00, 08:00 - 10:00,
15:00, 18:00 - 21:00 and 23:00 in the April 25, 2001 Real-Time Market as well 
as
the following hours per ECA20001006B to verify prices:

PJM: 07:00 - 08:00
HQ:  01:00 - 02:00, 07:00 - 08:00
OH:  07:00 - 08:00
NE:  00:00, 07:00 - 08:00

Prices in the April 26, 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