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

The NYISO is reserving hours beginning 01:00, 04:00, 05:00, and 18:00 in
the July 16,2001 Real-Time market as well as the following hours per
ECA20010608B to verify prices:

HQ:  01:00 - 04:00, 23:00
NE:  01:00 - 04:00, 23:00
OH:  01:00 - 04:00, 23:00
PJM: 01:00 - 04:00, 23:00

Prices in the July 17, 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