Incumbent Retailer Market Share
Percentage of ICPs held by incumbent retailer by network
Distribution network name Code Month
2008/12 2009/01 2009/02 2009/03 2009/04 2009/05
Alpine Energy ALPE 68.1% 68.1% 68.0% 68.0% 68.0% 68.0%
Aurora Energy Ltd DUNE 64.8% 62.5% 61.8% 61.2% 60.8% 60.3%
Buller Electricity Ltd BUEL 66.2% 66.1% 66.1% 66.0% 65.9% 65.7%
CentraLines CHBP 63.3% 63.1% 62.9% 62.4% 62.4% 61.5%
Counties Power Ltd COUP 56.3% 55.8% 55.5% 54.7% 54.2% 54.1%
Eastland Network Ltd EAST 83.2% 83.0% 83.0% 81.9% 79.5% 77.8%
ElectraLines ELEC 50.3% 49.4% 48.9% 48.4% 48.0% 48.0%
Electricity Ashburton Ltd EASH 59.5% 59.3% 59.1% 59.0% 58.9% 58.7%
Electricity Invercargill Ltd ELIN 80.3% 80.3% 80.3% 80.1% 79.8% 79.6%
Horizon Energy Distribution Limited HEDL 92.7% 92.6% 92.5% 92.4% 92.3% 92.2%
Kiwi Income Property Trust KIPT 79.8% 79.5% 79.7% 78.7% 78.4% 78.4%
MainPower NZ Ltd MPOW 82.5% 82.2% 82.0% 81.9% 81.8% 81.7%
Marlborough Lines Ltd MARL 76.4% 76.2% 76.1% 75.9% 75.7% 75.3%
Nelson Electricity NELS 54.5% 54.3% 54.2% 54.0% 53.8% 53.5%
Network Tasman Ltd TASM 86.6% 86.5% 86.5% 86.4% 86.4% 86.3%
Network Waitaki Ltd WATA 84.3% 84.3% 84.2% 84.2% 85.0% 84.9%
Northpower Ltd NPOW 44.0% 43.9% 43.8% 43.5% 43.0% 42.8%
Orion New Zealand Limited ORON 62.3% 62.4% 62.3% 62.7% 62.3% 61.9%
Otago Power Ltd OTPO 74.0% 73.9% 73.7% 73.5% 73.1% 73.0%
Powerco Ltd POCO 70.6% 70.4% 70.3% 70.2% 70.0% 69.9%
Scanpower Ltd SCAN 70.7% 70.6% 70.4% 70.2% 69.9% 69.0%
The Lines Company LINE 82.7% 82.6% 82.7% 82.6% 82.6% 82.5%
The Power Company Ltd TPCO 81.7% 81.6% 81.6% 81.3% 80.9% 80.8%
Top Energy Ltd TOPE 89.1% 88.2% 80.2% 76.1% 74.1% 73.3%
Unison Network Ltd  HAWK 52.1% 51.9% 51.8% 51.7% 51.5% 51.2%
United Networks Ltd  UNET 55.1% 54.7% 46.6% 45.6% 45.2% 44.7%
Vector Limited VECT 72.7% 72.7% 72.7% 72.6% 72.6% 72.4%
Waipa Power Ltd WAIP 67.8% 67.7% 67.5% 67.3% 67.0% 66.6%
WEL Networks WAIK 78.4% 78.2% 77.9% 77.4% 76.7% 76.2%
Westfields New Zealand WFNZ 79.3% 79.0% 79.0% 78.8% 78.5% 78.7%
Westpower Ltd WPOW 85.3% 85.2% 85.1% 85.0% 84.8% 84.6%
Total 66.5% 66.3% 66.1% 65.8% 65.5% 65.2%