February  2006  Market  Clearing  in  the  Energy  Industry  5-21  ©  Copyright  2006,  CCRO.  All  rights  reserved.  Because  of  bankruptcy  law14  issues  (e.g.,  the  ambiguity  and  lack  of  case  law  dealing  with  FCMs,  hence  treatment  differences  by  ISO/RTOs)  ISO/RTOs  may  require  a  member  participant  to  provide  credit  (either  unsecured  or  secured)  to  be  allocated  among  the  various  product  markets15.  An  ISO/RTO  credit  policy  may  require  a  market  participant  to  allocate  credit  among  transmission,  energy,  capacity,  FTR/TTC  or  virtual  markets.  Therefore,  a  member  may  have  available  credit  for  a  certain  product/market,  but  may  need  to  reallocate  it  to  another  product  or  market,  or  post  additional  collateral  depending  on  its  activity  and  market  price  movements.  Virtual  Trading  is  an  example  of  a  market  product  that  has  wide-ranging  credit  and  risk  characteristics  and  interpretations  among  ISO/RTOs.  The  following  table  provides  an  example  of  product  netting  complexities  in  Virtual  Trading  markets  products.  While  there  may  be  other  products  that  the  various  ISO/RTO’  s  measure  differently  with  respect  to  credit  risk,  Virtual  Trading  credit  policies  are  the  most  striking  difference,  probably  because  of  its  more  recent  introduction  and  perceived  risk.  ISO/  RTO/  Pool  Virtual  Markets  Policy  CAISO  No  Market.  ERCOT  No  Market  MISO  Allocation  of  existing/  remaining  unsecured  credit  line  ISO-NE  Allocation  of  Unsecured  line,  or  100%  liquid  collateral  Requires  credit  of  a  minimum  of  $500,000  NYISO  100%  Liquid  Collateral  PJM  Allocation  of  existing/  remaining  unsecured  credit  line  SPP  No  Market  Generic  Transmission  Owner  No  Market  WSPP  No  Market  Virtual  Trading,  although  commonly  misunderstood,  is  simply  strict  financial  trading  in  the  RTO/ISO  markets.  In  the  true  meaning  of  the  phrase,  no  physical  energy  flows  with  a  Virtual  Trade.  There  are  two  types  of  trades  that  are  considered  as  virtual.  One  is  termed  a  decrement,  the  other  an  increment.  In  ISO/RTO  markets  there  exist  a  day  14  Issues  describing  Bankruptcy  implication  with  respect  to  netting  can  be  referenced  in  Edison  Electric  Institute  “Survey  of  the  Legal  Landscape  Applicable  to  Master  Netting  Agreements,  Part  III  Statutory  Safe  Harbors  and  Support  for  Netting,  pages  13  through  23.  http://www.eei.org/industry_issues/legal_and_business_practices/master_netting_agreement/legallandscape.htm  15  The  biggest  bankruptcy  issue  in  RTO  markets  is  that  ‘spot’  deliveries  are  not  ‘forward’  transactions  under  the  Code  (which  requires  two  days  between  contract  and  delivery),  and  therefore  are  subject  to  ‘automatic  stay  or  claw  back’  provisions  under  the  90-day  preference  clause.  Netting  these  markets  against  forward  obligations  could  only  be  accomplished  by  an  entity  that  clears  both  forward  and  RTO  positions  and  can  get  around  the  ‘spot’  nature  of  the  RTO  markets.  
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