Mercury vs Octopus Energy:Which is more popular by branded search in New Zealand?
In August 2026, Mercury had more branded searches than Octopus Energy among electricity retailers in New Zealand. Mercury was estimated to have 69.6K branded searches compared to Octopus Energy’s 8.7K, and held a 16.1% Share of Search versus Octopus Energy’s 2%.
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Which is more popular in search, Mercury or Octopus Energy?
Compare electricity retailers selling power to New Zealand households, using branded searches made in New Zealand. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for Mercury, Octopus Energy. The figures are in the table below the chart.
View monthly share of search table
| Month | Contact Energy | Genesis Energy | Mercury | Electric Kiwi | Powershop | Meridian Energy | Pulse Energy | Globug | Octopus Energy | Nova Energy | Ecotricity | Toast Electric |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 23% | 19.2% | 19% | 7.3% | 9.1% | 8.3% | 4.3% | 3.6% | 1.2% | 3% | 1.7% | 0.38% |
| Nov 2025 | 21.5% | 17.5% | 21.4% | 6.9% | 10.3% | 7.7% | 5% | 3.3% | 1.3% | 2.8% | 2% | 0.36% |
| Dec 2025 | 24.5% | 16.7% | 20% | 7.7% | 9.6% | 7.2% | 4.7% | 3.8% | 1.2% | 2.6% | 1.7% | 0.34% |
| Jan 2026 | 25.5% | 17.2% | 17.2% | 8% | 10% | 7.5% | 4.8% | 4% | 1.2% | 2.6% | 1.7% | 0.36% |
| Feb 2026 | 25.2% | 17% | 17.8% | 8.1% | 10.3% | 7.4% | 4.9% | 3.3% | 1.2% | 2.7% | 1.6% | 0.42% |
| Mar 2026 | 25.1% | 16.8% | 17.3% | 8.2% | 10.2% | 7.4% | 4.8% | 3.2% | 1.5% | 2.7% | 2.5% | 0.36% |
| Apr 2026 | 23.3% | 15.6% | 19.1% | 9.3% | 11.5% | 6.8% | 4.4% | 3% | 1.4% | 2.5% | 2.7% | 0.3% |
| May 2026 | 22.3% | 18.1% | 18.4% | 8.9% | 11% | 7.8% | 4.4% | 2.9% | 1.6% | 2.3% | 2.1% | 0.29% |
| Jun 2026 | 24.1% | 20.1% | 16.6% | 9.5% | 9.9% | 7.1% | 4% | 2.6% | 1.8% | 2.1% | 1.8% | 0.35% |
| Jul 2026 | 23.8% | 20.7% | 16.7% | 9.4% | 9.5% | 7% | 4.6% | 2.5% | 1.7% | 2% | 1.7% | 0.38% |
| Aug 2026 | 23.1% | 20% | 16.1% | 11.2% | 9.3% | 6.8% | 4.5% | 2.5% | 2% | 2% | 1.9% | 0.56% |
| Sep 2026 | — | — | — | — | — | — | — | — | — | — | — | — |
How has the Mercury and Octopus Energy comparison changed over the last 12 months?
3 findings
- Mercury was ahead of Octopus Energy in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Mercury’s estimated Share of Search among electricity retailers in New Zealand moved from 19% to 16.1%, and its estimated monthly branded searches moved from 68.3K to 69.6K.
- Across the 11 months ending August 2026, Octopus Energy’s estimated Share of Search among electricity retailers in New Zealand moved from 1.2% to 2%, and its estimated monthly branded searches moved from 4.3K to 8.7K.
How did search popularity change for New Zealand electricity retailers in August 2026?
2 changes

In August 2026, Mercury lost estimated Share of Search among electricity retailers in New Zealand, from 16.7% to 16.1%.

In August 2026, Octopus Energy rose from 11th to 9th among electricity retailers in New Zealand.
How each brand is measured
Brandwave collects information about searches that people make online using Mercury’s and Octopus Energy’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Mercury
22 branded search terms
- mercury broadband
- Mercury electricity
- Mercury electricity plans
- Mercury electricity rates
- Mercury Energy
- mercury energy broadband
- Mercury Energy New Zealand
- Mercury Energy NZ
- Mercury Energy plans
- Mercury Energy rates
- Mercury Energy review
- Mercury Energy reviews
- mercury fibre
- Mercury free power day
- Mercury free power days
- mercury mobile
- mercury plans
- Mercury Power
- Mercury power company
- Mercury Power NZ
- Mercury Power plans
- Mercury Power rates
Octopus Energy
5 branded search terms
- Octopus Energy
- Octopus Energy New Zealand
- Octopus Energy NZ
- Octopus Energy NZ rates
- Octopus Energy NZ reviews

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