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Bywater Reliability Update

Entergy New Orleans, Inc. Bywater Reliability Update. July 28, 2010. Gary Huntley Entergy New Orleans, Inc. Regional Manager. Why we are here. Update on Bywater Reliability Plan ENO Reliability Program Overview What effect this has had 2008-2010 What to expect going forward Summary.

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Bywater Reliability Update

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  1. Entergy New Orleans, Inc. Bywater Reliability Update July 28, 2010 Gary Huntley Entergy New Orleans, Inc.Regional Manager

  2. Why we are here • Update on Bywater Reliability Plan • ENO Reliability Program Overview • What effect this has had 2008-2010 • What to expect going forward • Summary

  3. Bywater Area • About 5,500customers • Serviced from Almonaster substation by three feeders:621  1,800 customers6222,400 customers623 900 customers Feeder

  4. Bywater Reliability in 2008 • Numerous reliability complaints • Ongoing post-storm remediation • Initiated focused efforts for reliability improvements

  5. Reliability Programs Infrared Inspections T A CT I C S Vegetation Pole Inspections Backbone Inspections Substation Breaker R Recloser Inspections Capacitor Bank Inspections

  6. How ENO Prioritizes Reliability Projects • Selection Process • Circuit Review: • Operations • Customer Service • Engineering Gather performance data on all circuits Circuits ranked by performance & customers affected Circuits patrolled and work identified Schedule projects by priority Design jobs created

  7. Reliability Improvement Work Since 2008 • Added two feeders • Replaced cross arms • Upgraded shield wires around the substation • Installed and replaced ground wires • Installed fuses • Installed fault indicators • Replaced jumpers • Inspected equipment (reclosers, capacitors) • Performed infrared inspections • Trimmed trees

  8. Bywater Feeder Performance SAIFI - Average number of interruptions that a customer would experience.

  9. Recent 2010 Bywater Outages • Lightning/wind/weather • Equipment failures • Animal contacts • Public damage • Vehicle • Theft • Foreign Objects

  10. What to Expect in Bywater Going Forward • Week of July 19th: • Detailed inspection of feeders began. • Week of July 26th: • Determine corrective actions needed on feeders. • Conduct pole inspections. • August 2010 – October 2010: • Begin implementation of corrective actions. • Conduct infrared inspections. • November 2010 – May 2011 • Addition of feeder breakers to further sectionalize customers. • Implementation of Automatic Load Transfer Scheme between Almonaster and Tricou Substation to reduce customer impact. (Project approved and equipment on order)

  11. What to Expect Going Forward (cont’d) ENO has and will continue to manage system reliability: • Planned projects and activities should further improve reliability. • Monitor reliability performance indicators (SAIFI, SAIDI). • Routine inspections and repairs. • Analysis of outages to identify repetitive problems. • Continue to review technological advancements that reduce customer outages. Communicate our progress • Provide updates to Bywater Neighborhood Association. • Provide update to Council in first quarter of 2011.

  12. Summary • We understand inconvenience for customers. • We are working diligently to continue positive trend in reliability. • We will continue to provide updates. • We are committed to providing safe, reliable service.

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