Notice to Members
Notice No. 395
09/05/2007
Outright (Scan) Margin Rates Change for Financially Settled Electricity Contracts
Effective Date: Thursday, September 6, 2007 (close of business)

Futures Contract:
Cinergy Hub LMP – Off Peak (EJ), Michigan Hub LMP – Peak (HM), PJM Western Hub LMP Off Peak Monthly (JP), NYISO Zone A LBMP – Peak (KA), NYISO Zone A LBMP – Off Peak (KB), NYISO Zone G LBMP – Peak (KG), NYISO Zone G LBMP – Off Peak (KH), NYISO Zone J LBMP – Peak (KJ), NYISO Zone J LBMP – Off Peak (KK), New England Internal Hub – Peak (NI), Northern Illinois Hub – Off Peak (UO), and AEP-Dayton Hub – Off Peak (VP)
Contract Months: All Months


NYMEX Division Outright (Scan) Margins on Cinergy Hub LMP – Off Peak (EJ)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
Tier 1: 1st Nearby
$4,000
$3,500
$4,400
$3,850
$5,400
$4,725
Tier 2: 2nd - 6th Nearby
$1,500
$2,500
$1,650
$2,750
$2,025
$3,375
Tier 3: 7th - 11th Nearby
$1,500
$2,000
$1,650
$2,200
$2,025
$2,700
Tier 4: Greater than 11th Nearby
$1,500
$2,000
$1,650
$2,200
$2,025
$2,700


NYMEX Division Outright (Scan) Margins on Michigan Hub LMP – On Peak (HM)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
HM
$5,500
$6,500
$6,050
$7,150
$7,425
$8,775


NYMEX Division Outright (Scan) Margins on PJM Western Hub LMP Off Peak Monthly (JP)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
Tier 1: 1st Nearby
$5,000
$5,000
$5,500
$5,500
$6,750
$6,750
Tier 2: 2nd - 6th Nearby
$4,000
$5,000
$4,400
$5,500
$5,400
$6,750
Tier 3: 7th - 11th Nearby
$2,500
$3,000
$2,750
$3,300
$3,375
$4,050
Tier 4: Greater than 11th Nearby
$2,500
$3,000
$2,750
$3,300
$3,375
$4,050


NYMEX Division Outright (Scan) Margins on NYISO Zone A – Peak (KA)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
Tier 1: 1st Nearby
$3,500
$4,500
$3,850
$4,950
$4,725
$6,075
Tier 2: 2nd - 6th Nearby
$2,500
$3,000
$2,750
$3,300
$3,375
$4,050
Tier 3: 7th - 11th Nearby
$2,000
$2,500
$2,200
$2,750
$2,700
$3,375
Tier 4: Greater than 11th Nearby
$2,000
$2,000
$2,200
$2,200
$2,700
$2,700


NYMEX Division Outright (Scan) Margins on NYISO Zone A – Off Peak (KB)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
Tier 1: 1st Nearby
$5,000
$6,000
$5,500
$6,600
$6,750
$8,100
Tier 2: 2nd - 6th Nearby
$3,000
$3,000
$3,300
$3,300
$4,050
$4,050
Tier 3: 7th - 11th Nearby
$3,000
$4,500
$3,300
$4,950
$4,050
$6,075
Tier 4: Greater than 11th Nearby
$3,000
$3,000
$3,300
$3,300
$4,050
$4,050


NYMEX Division Outright (Scan) Margins on NYISO Zone G – Peak (KG)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
Tier 1: 1st Nearby
$3,500
$4,500
$3,850
$4,950
$4,725
$6,075
Tier 2: 2nd - 6th Nearby
$2,500
$3,000
$2,750
$3,300
$3,375
$4,050
Tier 3: 7th - 11th Nearby
$2,000
$2,500
$2,200
$2,750
$2,700
$3,375
Tier 4: Greater than 11th Nearby
$2,000
$2,000
$2,200
$2,200
$2,700
$2,700


NYMEX Division Outright (Scan) Margins on NYISO Zone G – Off Peak (KH)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
Tier 1: 1st Nearby
$5,000
$6,000
$5,500
$6,600
$6,750
$8,100
Tier 2: 2nd - 6th Nearby
$3,000
$3,000
$3,300
$3,300
$4,050
$4,050
Tier 3: 7th - 11th Nearby
$3,000
$4,500
$3,300
$4,950
$4,050
$6,075
Tier 4: Greater than 11th Nearby
$3,000
$2,500
$3,300
$2,750
$4,050
$3,375


NYMEX Division Outright (Scan) Margins on NYISO Zone J – Peak (KJ)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
Tier 1: 1st Nearby
$3,500
$4,500
$3,850
$4,950
$4,725
$6,075
Tier 2: 2nd - 6th Nearby
$2,500
$3,000
$2,750
$3,300
$3,375
$4,050
Tier 3: 7th - 11th Nearby
$2,000
$2,500
$2,200
$2,750
$2,700
$3,375
Tier 4: Greater than 11th Nearby
$2,000
$2,000
$2,200
$2,200
$2,700
$2,700


NYMEX Division Outright (Scan) Margins on NYISO Zone J – Off Peak (KK)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
Tier 1: 1st Nearby
$5,000
$6,000
$5,500
$6,600
$6,750
$8,100
Tier 2: 2nd - 6th Nearby
$3,000
$5,000
$3,300
$5,500
$4,050
$6,750
Tier 3: 7th - 11th Nearby
$3,000
$4,500
$3,300
$4,950
$4,050
$6,075
Tier 4: Greater than 11th Nearby
$3,000
$3,000
$3,300
$3,300
$4,050
$4,050


NYMEX Division Outright (Scan) Margins on ISO New England Internal Hub – Peak (NI)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
Tier 1: 1st Nearby
$8,000
$8,500
$8,800
$9,350
$10,800
$11,475
Tier 2: 2nd - 6th Nearby
$7,000
$7,500
$7,700
$8,250
$9,450
$10,125
Tier 3: 7th - 11th Nearby
$4,000
$4,500
$4,400
$4,950
$5,400
$6,075
Tier 4: Greater than 11th Nearby
$3,000
$3,500
$3,300
$3,850
$4,050
$4,725


NYMEX Division Outright (Scan) Margins on Northern Illinois Hub – Off Peak (UO)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
Tier 1: 1st Nearby
$5,000
$5,000
$5,500
$5,500
$6,750
$6,750
Tier 2: 2nd - 6th Nearby
$1,500
$2,500
$1,650
$2,750
$2,025
$3,375
Tier 3: 7th - 11th Nearby
$1,500
$2,000
$1,650
$2,200
$2,025
$2,700
Tier 4: Greater than 11th Nearby
$1,500
$1,500
$1,650
$1,650
$2,025
$2,025


NYMEX Division Outright (Scan) Margins on AEP-Dayton Hub – Off Peak (VP)
 
Tiers
Clearing Member / Maintenance Margin
Member Customer Initial Margin
Non-Member Customer Initial Margin
 
New
Old
New
Old
New
Old
Tier 1: 1st Nearby
$5,000
$5,000
$5,500
$5,500
$6,750
$6,750
Tier 2: 2nd - 6th Nearby
$1,500
$2,500
$1,650
$2,750
$2,025
$3,375
Tier 3: 7th - 11th Nearby
$1,500
$2,000
$1,650
$2,200
$2,025
$2,700
Tier 4: Greater than 11th Nearby
$1,500
$2,500
$1,650
$2,750
$2,025
$3,375

This notice supersedes 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