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Understanding the numbers
Small efficiency gains can add up
Use these examples to understand the scale of potential savings—not as a promise of what any individual home will achieve.
$2,588
Average annual NZ household power bill
$216
Average monthly household bill
39.3¢
Average cost per kWh, November 2025 data
Monthly savings at a glance
| Monthly bill | 5% | 10% | 15% | 20% |
|---|---|---|---|---|
| $200 | $10 | $20 | $30 | $40 |
| $250 | $12.50 | $25 | $37.50 | $50 |
| $300 | $15 | $30 | $45 | $60 |
| $400 | $20 | $40 | $60 | $80 |
Actual savings depend on appliances, heating, hot water, insulation, your electricity plan, usage and the technology used. These figures are illustrative and are not guaranteed.
Talk to Kore Grid about your needs or explore energy storage systems.