Notice to Members
Notice No. 574
12/15/2005
Margin Rates Change for Financially Settled Electricity Contracts
Effective Date: Friday, December 16, 2005 (close of business)

Futures Contract:
ISO New England Internal Hub LMP — Peak (NI), ISO New England Internal Hub LMP — Off Peak (KI), Northern Illinois Hub — Peak (UM), Northern Illinois Hub — Off Peak (UO)
Contract Months: All Months


NYMEX Division Outright (Scan) Margins on NI, KI, UM, and UO
 
Contract
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
ISO New England Internal Hub LMP — Peak
$4,000
$2,000
$4,400
$2,200
$5,400
$2,700
ISO New England Internal Hub LMP — Off Peak
$3,500
$3,000
$3,850
$3,300
$4,725
$4,050
Northern Illinois Hub — Peak
$3,000
$1,500
$3,300
$1,650
$4,050
$2,025
Northern Illinois Hub — Off Peak
$2,000
$1,500
$2,200
$1,650
$2,700
$2,025

This notice supercedes all previous notices regarding margins rates for the Electricity futures contracts listed above.
Should you have any questions or require any further information, please contact exchangeinfo@nymex.com