• Climatological Data for Houston, Texas
  (National Climatic Data Center Records include temperature, precipitation, pressure, and heating/cooling degree days)
  • 2009 Annual Summary*
  • 2008 Annual Summary*
  • 2007 Annual Summary*
  • 2006 Annual Summary*
  • 2005 Annual Summary*
  • 2004 Annual Summary*
  • 2003 Annual Summary*
  • 2002 Annual Summary*
• Critical Load - Required Eligibility Determination Form
• Application for Chronic Condition or Critical Care Residential Customer Status
• Solicitud para Cliente Residencial en Estado de Condición Crónica o Cuidado Crítico
• EDI Transaction Names
• Electricity 101
• ESI ID Format*
• Holiday Schedules
  • Holiday Schedule 2013*
  • Holiday Schedule 2012*
  • Holiday Schedule 2011*
  • Holiday Schedule 2010*
  • Holiday Schedule 2009*
  • Holiday Schedule 2008*
  • Holiday Schedule 2007*  
  • Holiday Schedule 2006*
  • Holiday Schedule 2005*
  • Holiday Schedule 2004*
  • Holiday Schedule 2003*
• Permitting Agencies*  (A list of key phone numbers and other permit information for permitting authorities in CenterPoint Energy's service territory.)
• Power Quality Rules and Standards
• Power Quality and Reliability at CenterPoint Energy
• Public Access to Accessible Utility Information - Rate AUI (Order Form)*
• Rate Codes to Rate Class Conversion Table *  (These rate codes provide descriptions that correspond to a field contained in certain historical usage information and are not used in TxSET transactions.
• Rate Class and Descriptions for TxSET Transactions*
• SAC04 Codes (TxSET 810_02): TDSP to CR Invoice
  Refer to Texas Standard Electronic Transaction 810_02: TDSP to CR Invoice
  On the ERCOT website: http://www.ercot.com/mktrules/guides/txset/index
• Security Lighting Specifications *  (Manufacturer specifications for floodlights and security lights approved for use in CenterPoint Energy's service territory)
• Service Extension Policy*
• Service Order (TxSET 650_01): Request Transactions (Purpose Codes/Priority Codes)
  Refer to Texas Standard Electronic Transaction 650_01: Service Order Request
  On the ERCOT website: http://www.ercot.com/mktrules/guides/txset/index
• Service Standards Manual*
• Statement of Non-Discriminatory Service*
• Streetlight Code to Tariff Reference*
• Tariff for Retail Delivery Service*
• TCR Postings and Related Information
• Transmission / Distribution Loss Factors (Loss factors are located in the Public Report Explorer)
• Transmission Loss Factors (Loss factors are located in the Public Report Explorer)
• Turn Down Codes for Unexecutable Orders*

* These documents require the Adobe Acrobat Reader. If you don't have Acrobat Reader, Get Adobe Acrobat.