Grid Reliability, Economic Investment and Fault Level Report

The Electricity Industry Participation Code (the Code) requires Transpower to publish the Grid Reliability Report (GRR), Grid Economic Investment Report (GEIR) and the ten year forecast fault levels within defined timeframes. 

Specifically, Transpower must publish:

  • a Grid Reliability Report no later than two years after the date on which it published the previous grid reliability report
  • a Grid Economic Investment Report no later than two years after the date on which it published the previous grid economic investment report
  • a ten year forecast of the expected fault levels at each customer point of service annually