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Buying guides & field reports

Plain-spoken guides for NZ operators choosing power infrastructure. No marketing puff. Just numbers, council rules, and the trade-offs we see clients work through.

• Buying guide · 2026-04-26 · ~9 min

  Solar trailer vs diesel generator in NZ: cost, noise, certification

  5-year total cost of ownership, residential-zone noise rules, NZTA Class TB compliance, and the exact scenarios where each technology still wins. Hard NZ numbers.

• Sizing guide · 2026-04-26 · ~7 min

  How to size a solar trailer for a NZ dairy farm

  Typical dairy loads, peak vs continuous draw, bad-weather contingency, and Tier 1 vs Tier 2 sizing for typical farm duty cycles.

• Event production · 2026-04-26 · ~10 min

  Powering NZ festivals without diesel: the 2026 hybrid playbook

  Zone-by-zone sizing, what a 2.85 kW or 5.7 kW array realistically carries over a festival day, council noise rules, and how multi-stage events could pair Solar Trailer Co units to drop diesel count and noise floor (illustrative scenarios).