Family owned and operated · Established 2009

9 minute guide · Off-grid

What to plan before designing an off-grid energy system.

An off-grid system needs to be designed around real loads, seasonal conditions, battery autonomy, generator support and the property itself—not selected from a standard package.

List daily energy use and short high-power loads

Record appliances, pumps, tools, heating, cooling and other equipment. Daily energy is only half the picture: motors, compressors and workshop equipment may have a high starting demand even when they run briefly.

Allow for seasonal use and winter solar conditions

Occupancy, irrigation, heating, refrigeration and business loads can vary by season. The design also needs to consider lower solar production periods rather than relying on an annual average.

Define essential loads and autonomy expectations

Identify which loads must keep operating and how long the property should run through poor solar conditions before generator support is expected. Battery autonomy is a design decision linked to load priorities, not just a capacity label.

Plan the generator strategy

Generator capacity, fuel, location, start method, maintenance and intended operating pattern should be discussed with the battery and inverter design. Be clear whether the generator is for occasional support or an expected part of seasonal operation.

Visit the property

Adelaide SolarSafe is happy to attend the site. Access, equipment locations, environmental exposure, generator position, building distances and cable routes are difficult to settle from a load list alone.

Allow for future changes

Future buildings, pumps, vehicles, workshops or increased occupancy can change both daily energy and peak power. Record likely additions so the initial design can allow sensible expansion where practical.

Plan monitoring, handover and support

Users should know how to read system status, respond to alerts, operate generator support and recognise when a load pattern needs review. The handover should match the way the property is actually used.

Related guides

Reviewed by the Adelaide SolarSafe installation team.

Off-grid assessment

Request an off-grid site assessment.

Start with the property use and loads you already know. A load schedule, plans or generator details are optional and can be emailed separately.

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