2008-2010

  • Mar, 2011

    Emerging Trends in Utility Customer Service - Article by Utilipoint

  • Mar, 2011

    iSIGMA, one of the sponsors is pleased to be in San Antonio for the 2011 KEMA Conference

  • Dec, 2010

    ERCOT Nodal market has been successfully implemented for all the Texas clients.   More...

  • Nov, 2010

    Completed Production Launch for SMT/HAN Devices with Centerpoint

    ISIGMA completes the internal processes to support Texas Nodal Market launch scheduled on Dec 1, 2010.

  • Aug, 2010

    JD Power Top Customer Service and Top Billing for 2010 Electric Resellers Awarded to one of iSIGMA's long term Retailers. Read More..

  • May, 2010

    Smart Meter Prepay Solution Deployed (PUCT §25.498 )

  • Mar, 2010

    iSIGMA, one of the sponsors is pleased to be in Dallas for the 2010 KEMA Conference

  • Mar, 2009

    iSIGMA, one of the sponsors is pleased to be in Houston for the 2009 KEMA Conference

  • Jan, 2009

    SIGMA CIS 3.2 Released

  • Oct, 2008

    For energy aggregators, deployed SIGMA EA in Texas Market an integrated CRM , central energy aggregation functionlity

  • Jan, 2008

    SIGMA CIS 3.0 Released

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    2006-2007

  • Jun, 2007

    Solution for Illinois deployed

  • Apr, 2007

    SIGMA CIS Agent access portal released

  • Jan, 2007

    SIGMA CIS customer access portal redesigned

  • Oct, 2006

    iSIGMA succesfully implemented Sigma CIS for one of Texas TDSPs

  • Jul, 2006

    Sigma 2.7 Released

    • 2004-2005

  • Dec, 2005

    Sigma Texas 2.0 upgrade completed

  • Jun, 2005

    Sigma CIS now supports Prepay Electric Market.

  • Feb, 2005

    Sigma Version 2.6.4 fully integrated with EC-Power

  • Nov, 2004

    Sigma Version 2.6.4 released with added functionality for REPs

  • Aug, 2004

    iSIGMA presenting at international IT conference at Veracruz, Mexico on August 19th.

  • Jul, 2004

    SIGMA CIS ERCOT 2.0 Compliance Components Released.

  • May, 2004

    iSIGMA is pleased to be in Miami for 2004 CIS Conference between May 4 - May 7 2004 at Booth #137.

  • Mar, 2004

    SIGMA CIS for Deregulated Markets schedule for ERCOT 2.0 Compliance released.

  • Feb, 2004

    SIGMA CIS 2.6.2 for Texas released and deployed in the REP Market Jan 15, 2004.

  • Jan, 2004

    SIGMA CIS Version 2.6.1 released on Jan 15, 2004 taking advantage of significant improvements to Microsoft's SQL Server

    • 2003 and Earlier

  • Nov, 2003

    SIGMA CIS for Deregulated Markets is ERCOT 1.6 compliant in Texas REP

  • Apr, 2003

    SIGMA CIS for Electric Co-operatives deployed meeting the unique needs of the Co-operatives with a robust Multi-Speak Compliant Web Based CIS & Billing Solution.

  • Jan, 2003

    MunicipalBilling.com fully hosted CIS solution for small and mid-sized utilities announced. Fully browser based solution deployed with ZERO License and Equipment Costs.

  • May, 2002

    SIGMA CIS for Deregulated Markets deployed in Texas.

  • Apr, 2001

    iSIGMA is branded as the market identity for SIGMA CIS & Billing.

  • Jan, 2001

    SIGMA CIS & Billing released as one of the first designed for the Web thin client enterprise Convergent Billing Solutions.

  • Oct, 1999

    SIGMA is formed to provide a true web deployed enterprise convergent billing solution.