Top electricity companies in New Zealand
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ara Ake LIMITED | Newzealand | New Plymouth | 8 Young St | Taranaki | 4310 | araake.***** | 2020 | $4,305,796,682 | 9 | Corporation | N/A | 8043029 |
| 2 | Meridian Energy LIMITED | Newzealand | Wellington | L 2 98 Customhouse Qy | Wellington | 6011 | N/A | 1998 | $2,902,866,310 | 959 | Corporation | 14 | 938552 |
| 3 | Mercury Nz LIMITED | Newzealand | Auckland | 33 Broadway | Auckland | 1023 | mercury.***** | 1998 | $2,100,150,228 | 1,364 | Corporation | 22 | 936901 |
| 4 | Contact Energy LIMITED | Newzealand | Wellington | Harbour City Tower le 2 29 Brandon Street | Wellington | 6011 | contactenergy.***** | 1995 | $2,064,727,454 | 1,306 | Corporation | 506 | 660760 |
| 5 | Ecotricity Gp LIMITED | Newzealand | Auckland | Fl 16 48 Emily Place | Auckland | 1010 | ecotricity.***** | 2015 | $1,831,069,499 | 95 | Corporation | 23 | 5859313 |
| 6 | Kawerau Geothermal LIMITED | Newzealand | Auckland | 33 Broadway | Auckland | 1023 | N/A | 2004 | $1,474,175,060 | 324 | Corporation | 22 | 1566678 |
| 7 | Mcy Sub 1 LIMITED | Newzealand | Auckland | The Mercury Building 33 Bdwy | Auckland | 1023 | N/A | 1999 | $1,119,758,908 | 270 | Corporation | 22 | 1003576 |
| 8 | Auckland Energy Consumer Trust | Newzealand | Auckland | 101 Carlton Gore Road | Auckland | N/A | aect.***** | 1993 | $1,052,554,801 | 324 | N/A | N/A | |
| 9 | Vector LIMITED | Newzealand | Auckland | 101 Carlton Gore Road | Auckland | 1023 | vector.***** | 1990 | $662,826,144 | 129 | Corporation | 19 | 471359 |
| 10 | Transpower New Zealand LIMITED | Newzealand | Wellington | 22 Boulcott St | Wellington | 6011 | transpower.***** | 1988 | $591,980,596 | 1,833 | Corporation | 17 | 372941 |
| 11 | Bosco Connect LIMITED | Newzealand | Auckland | 33 Broadway | Auckland | 1023 | bosco.***** | 2006 | $522,852,858 | 324 | Corporation | 22 | 1852926 |
| 12 | Powerco LIMITED | Newzealand | New Plymouth | 35 Junction St | Taranaki | 4340 | powerco.***** | 2000 | $332,759,779 | 1,833 | Corporation | 8 | 1021162 |
| 13 | Powerco Transmission Services LIMITED | Newzealand | New Plymouth | 35 Junction Street | Taranaki | 4310 | pts.***** | 2007 | $325,103,836 | 95 | Corporation | 8 | 1979531 |
| 14 | Auckland Electric Power Board | Newzealand | Auckland | Cnr Nuffield St & Remuera Rd | Auckland | 1001 | N/A | 1922 | $191,493,393 | 324 | N/A | N/A | |
| 15 | Unison Networks LIMITED | Newzealand | Hastings | 1101 Omahu Road | Hawke'S Bay | N/A | unison.***** | 1993 | $183,236,927 | 1,448 | Corporation | 22 | 562256 |
| 16 | Northpower LIMITED | Newzealand | Whangarei | 28 Mount Pleasant Road | Northland | N/A | northpower.***** | 1991 | $173,617,971 | 1,833 | Corporation | 11 | 524776 |
| 17 | Energy Efficiency & Conservation Authority | Newzealand | Wellington | L 8 44 the Terrace | Wellington | 6011 | eeca.***** | 2017 | $152,819,851 | 324 | N/A | N/A | |
| 18 | Unison Contracting Services LIMITED | Newzealand | Hastings | 1101 Omahu Road | Hawke'S Bay | N/A | unisoncontracting.***** | 2007 | $152,619,043 | 500 | Corporation | 22 | 1918895 |
| 19 | Wel Networks LIMITED | Newzealand | Te Rāpaki-O-te Rakiwhakaputa | 114 Maui Street | Canterbury | 3240 | wel.***** | 1988 | $111,104,923 | 190 | Corporation | 4 | 403863 |
| 20 | Newpower Energy LIMITED | Newzealand | Wellington | 58 66 Jervois Quay | Wellington | 6011 | N/A | 2021 | $111,104,923 | 95 | Corporation | 4 | 8261386 |
| 21 | The Energy Collective LIMITED | Newzealand | Auckland | L 4 Ferry Building 99 Quay St | Auckland | 1010 | N/A | 2019 | $101,991,761 | 133 | Corporation | 5 | 7265416 |
| 22 | Horizon Energy Distribution LIMITED | Newzealand | Whakatane | 50 Valley Road | Bay of Plenty | 3120 | hegroup.***** | 1993 | $90,724,550 | 190 | Corporation | 10 | 599142 |
| 23 | Tairawhiti Investments LIMITED | Newzealand | Gisborne | 3/50 Esplanade | Gisborne | 4010 | N/A | 2010 | $81,163,726 | 111 | Corporation | 8 | 2426052 |
| 24 | Eastland Generation LIMITED | Newzealand | Kawerau | 9 Manukorihi Dr | Bay of Plenty | 3127 | N/A | 2007 | $81,163,726 | 111 | Corporation | 6 | 1960145 |
| 25 | Waitemata Electricity Board | Newzealand | Auckland | 44 Taharoto Rd | Auckland | 1309 | N/A | 1924 | $77,672,200 | 324 | N/A | N/A |
Showing 25 of 888 companies
Request Free SampleElectricity companies in New Zealand by region
888 electricity companies across 16 New Zealand regions. The table below shows the share each region holds.
Electricity companies in New Zealand by employee size
| Bracket | Companies | Share |
|---|---|---|
| 20-49 | 474 | |
| 50-99 | 186 | |
| 1-4 | 95 | |
| 0 or Unknown | 52 | |
| 5-9 | 50 | |
| 200-499 | 11 | |
| 10-19 | 10 | |
| 100-199 | 6 | |
| 500-999 | 2 | |
| 1.000-4.999 | 2 |
Electricity companies in New Zealand by revenue
| Bracket | Companies | Share |
|---|---|---|
| 1.000.000 to 4.999.999 | 359 | |
| 1 to 100.000 | 239 | |
| 5.000.000 to 9.999.999 | 158 | |
| 100.001 to 499.999 | 39 | |
| 10.000.000 to 49.999.999 | 32 | |
| 0 or Unknown | 25 | |
| 100.000.000 to 499.999.999 | 10 | |
| 50.000.000 to 99.999.999 | 9 | |
| 1.000.000.000 or more | 8 | |
| 500.000 to 999.999 | 6 | |
| 500.000.000 to 999.999.999 | 3 |
SIC and industry classification for New Zealand electricity companies
New Zealand electricity companies are classified under SIC 1987 codes 4911 and 4931. New Zealand filings use ANZSIC codes; we map every business onto the international SIC 1987 taxonomy so cross-country selections stay consistent. The list above covers every active business in this category registered with the New Zealand Companies Register.
Closely related business services
Frequently asked questions about electricity companies in New Zealand
Our list tracks 888 active electricity companies across every New Zealand region, sourced from the New Zealand Companies Register (Companies Office) and verified monthly. The exact count changes as firms register, dissolve and merge.
The region with the most electricity companies is Auckland, followed by the other major economic regions. The full breakdown above shows the share each region holds.
New Zealand electricity companies are classified under SIC 1987 codes 4911 and 4931. The list above covers every active business in this category. New Zealand filings use ANZSIC codes; we map every business onto the international SIC 1987 taxonomy so cross-country selections stay consistent.
Yes. Apply your filters (region, size, revenue, etc.) on the platform, preview the result, then export the full filtered list as CSV or Excel. Larger exports are delivered by email link. Request a free sample first if you want to evaluate the data before you buy.
Every record includes the firm name, full address, primary phone, business email (where available), website, NZBN, employee size, revenue band, founding year and industry classification. Records are sourced from the New Zealand Companies Register (Companies Office) and re-verified monthly.
Monthly. Each refresh removes firms that have dissolved and adds new registrations from the latest register feeds. The "Last updated" line at the top of this page shows the most recent refresh date.
16 New Zealand regions have at least one active electricity companie in our list. The region with the most electricity companies is Auckland, followed by the other major economic regions. Use the breakdown table above to see the full distribution.
