Operational Performance for the six months ended 31 December 2011 (26/01/12)

 
  SIX MONTHS ENDED 31 DECEMBER CHANGE %
  2011 2010  
Electricity      
Customers1 534,305 529,997 0.8%
Net new electricity customers2 1,698 1,752 (3.1%)
Volume distributed (GWh) 4,359 4,298 1.4%
SAIDI (minutes)3        
Normal operations 69.4 83.3 (16.7%)
Extreme events 0.0 9.4 n/a
Total 69.4 92.7 (25.1%)
 
Gas transportation      
Distribution customers1 153,576 151,095 1.6%
Net new distribution customers2 1,068 1,408 (24.1%)
Distribution volume (PJ) 11.7 11.5 1.7%
Transmission (PJ)5 65.0 65.1 (0.2%)
 
Gas wholesale      
Natural gas sales (PJ)6 14.3 14.1 1.4%
Gas liquid sales (tonnes)7 41,850 42,535 (1.6%)
Liquigas LPG tolling (tonnes)8 61,126 72,296 (15.5%)
 
Technology      
Electricity: smart meters1 316,531 179,494 76.3%
  1. As at period end
  2. The number of customers added during the six month period
  3. Regulatory year - 9 months to 31 December
  4. Billable ICP's
  5. Billable volumes
  6. Excludes gas sold as gas liquids as these sales are included within the gas liquids sales tonnages
  7. Total of retail and wholesale LPG production and natural gasoline
  8. Includes product tolled in Taranaki and further tolled in the South Island

The excel version can be found here.