• About us

  • Leadership team
  • Corporate governance
    • The Board
      • Board composition
      • Director Profiles
      • Directors' independence
    • Board committees
      • Finance & Risk Committee
      • People and performance committee
    • Disclosure, reporting and communication with the Minister
    • Risk management
    • External auditor procedures
    • Performance evaluation
    • Codes of conduct & diversity
    • ASX Principles compliance checklist
  • Safety and health vision
  • How Western Power is regulated
  • Access Arrangement
    • Technical Rules
      • Archived Technical Rules
    • Network access prices
      • Archived prices
  • Statement of corporate intent
  • Media updates
    • 2011 media updates
    • 2010 media updates
    • 2009 media updates
    • 2008 media updates
  • Reports and publications
    • 2011 Annual Report
      • 2010 Annual Report
      • 2009 Annual Report
      • 2008 Annual Report
      • 2007 Annual Report
      • 2006 Annual Report
      • 2005 Annual Report
    • Annual Planning Report
    • Quarterly reports
    • Annual reliability and power quality report
    • Policies
    • Record keeping report
    • Brochures
    • 2009 Toodyay fire report
  • Technical guidelines and manuals

• Electric vehicles

• Community Investment

  • Volunteer bush fire brigades
  • Royal Life Saving Society WA
  • Scitech discovery centre

• Education

  • Scholarships

• Environment

  • Environmental programs
    • Cleaning up transformer oil spills
    • Environmentally Sensitive Area Program
    • Bird conservation
    • Conserving cockatoos
    • Protecting possums
  • Community investment and sponsorships
    • Bibbulmun Track Foundation
    • Centre for Phytophthora Science & Management
    • Kalgoorlie-Boulder Urban Landcare Group

Annual reliability and power quality report

The Annual Reliability & Power Quality Report (PDF 468kb, WORD 2.2mb) presents information required as part of Schedule 1 of the Electricity Industry (Network Quality and Reliability of Supply) Code 2005 (“the Code”) – for the financial year ending 30 June 2011.

Audit Summary

Audit Summary (PDF 128kb) On The  Electricity Industry (Network Quality And Reliability Of Supply) Code 2005 Annual Report.

Archive

• 2010 Annual Reliability & Power Quality Report (PDF 545kb)
• 2010 Audit Summary (PDF 161kb) 
• 2009 Annual Reliability & Power Quality Report (PDF 383kb)
• 2009 Audit Summary (PDF 179kb)

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