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Eerlijk over Thuisbatterijen vs NZ PAYE Calculator 2026/27

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Eerlijk over Thuisbatterijen compared with NZ PAYE Calculator 2026/27
DetailEerlijk over Thuisbatterijen logo Eerlijk over ThuisbatterijenNZ PAYE Calculator 2026/27 logo NZ PAYE Calculator 2026/27
What it doesIndependent calculator to check if a home battery pays for itself in your situation Free NZ PAYE calculator for take-home pay, tax, ACC levy, KiwiSaver and student loan deductions
StageNot given Not given
FoundedNot given Not given
Based inNL NZ
Pricing modelFree Free
PricingNot given Not given
Key features
  • Compares battery models from 23 brands on payback time and net result after 15 years
  • Calculates with real hourly EPEX prices for dynamic energy contracts
  • Processes the end of net metering from 1 January 2027
  • Provides negative buying advice if purchase is not worthwhile
  • No account or email required
  • Generates 10-page PDF advice report with lowest prices from 11 shops
  • Free 22-page PDF handbook about home batteries
  • Analyzes consumption and solar generation hour by hour for full year
  • Three scenarios: pessimistic, most likely and optimistic outcomes
  • Updates prices from 11 online shops every morning automatically
  • Progressive tax bracket calculation (10.5% to 39%)
  • ACC earner's levy deduction at 1.75%
  • KiwiSaver contribution rates from 3.5% to 10%
  • Student loan repayment calculations above $24,128 threshold
  • Independent Earner Tax Credit for eligible incomes
  • Multiple pay frequency options (annual, monthly, fortnightly, weekly)
  • Detailed tax breakdown showing marginal and effective tax rates
  • No signup required
What makes it different
  • Truly independent: sells no batteries, has no arrangements with installers, publishes negative buying advice
  • No personal data collection: zero signup required, immediate results without email
  • Built from personal need: creator did his own calculations after a misleading sales pitch
  • Comprehensive research: 384 example households analyzed in 26,112 calculations
  • Shows all calculation assumptions: transparent methodology with public data sources
  • Uses only official Inland Revenue rates and thresholds, updated regularly
  • Completely free with no account or data collection required
  • Instant calculations for all common salary situations
  • Comprehensive deductions in one place (tax, ACC, KiwiSaver, student loans)
Community votes00
DR (Domain Rating by Ahrefs)15 −1 (down) since last check13 no change since last check
Trust Flow (Majestic)186
Citation Flow (Majestic)2413
Referring domains (Majestic)1816

5 details filled in for both companies.

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