Off-Grid Systems

Where the grid ends.

Complete off-grid power systems for Gold Coast hinterland retreats, acreage homes and remote infrastructure — sized from real loads, designed for real weather, documented for life.

Off-Grid

Off-grid work is the discipline that separates electricians who can run cable from electricians who can engineer power. Patterson Electrical specialises in complete off-grid systems for Gold Coast hinterland retreats, acreage homes, working sheds, and remote infrastructure where the grid ends and self-sufficiency begins.

Every off-grid system is sized from a real load schedule — not a guess at what people use. Generation is sized for the worst week of winter, not the best week of summer. Storage covers the longest reasonable run of cloudy days. Generator backup is integrated as a last-resort top-up, not a primary source. Inverter sizing handles real surge loads — pumps starting, ovens cycling, air-conditioning compressing — without sag.

The systems we install run for years without intervention, and when they do need service, the documentation we left behind makes service simple. That is the difference.

Scope

What's included
as standard.

  • System design — sized to a documented load schedule, not generic templates
  • PV generation — premium panels, tilt-optimised for winter performance
  • Lithium battery banks — sized to bridge realistic cloudy runs
  • Multi-source inverters — Victron Quattro and equivalent, sized for surge
  • Generator integration — auto-start backup, runtime optimised
  • Pumping & bore power — coordinated with solar and storage capacity
  • Distribution & switching — full sub-board work, RCDs, surge protection
  • Monitoring — Cerbo GX with VRM remote portal access
  • Documentation — full system schematics, load schedule, commissioning records
  • Service & maintenance — scheduled site visits, remote diagnosis via VRM
  • Hybrid retrofits — converting existing grid-connect to off-grid-capable
  • Lifetime workmanship warranty with ongoing service relationship

Subtropical retreat · 14 kW PV · 30 kWh lithium · Cerbo monitoring

Specified, supplied and installed.

A representative selection of the brands and technologies routinely fitted across off-grid installations.

Victron Energy
BYD
Sungrow
Trina Solar
REC
SunPower
Cummins
Kohler
Pramac
Cerbo GX
VRM Portal
Selectronic

Related disciplines.

Enquire

Start with a conversation.

Tell us about your project — vessel refit, new build, commercial fit-out, or off-grid system — and we'll come back to you within one business day. For urgent calls, the phone is always faster.

0427 055 032 enquiry@pattersonelectrical.com.au Gold Coast · Brisbane · Northern NSW
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Our team will be in touch within one business day. For urgent matters, call 0427 055 032.