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Solar & Renewables · Australia

Solar & Renewable Symbols — Australia (AS/NZS 5033 / 4777)

Australian solar drawings are read against AS/NZS 5033 for the PV array and AS/NZS 4777 for the grid connection, both sitting under the AS/NZS 3000 Wiring Rules. Australia has among the highest rooftop solar penetration in the world and the standards have moved quickly with it, which is why the isolator arrangement on a drawing from a few years ago can look nothing like one drawn today.

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AS/NZS 5033:2021 / AS/NZS 4777.1 / AS/NZS 4777.2:2020 / AS/NZS 30008 symbols
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GenerationPower ConversionStorageProtectionMeteringEVHeating

Generation

PV Panel / Module

Photovoltaic solar panel

BS 7671 Section 712

PV String

Series-connected group of PV modules

BS 7671 Section 712

Power Conversion

Inverter (DC to AC)

DC to AC power inverter for PV system

BS 7671 / BS EN 62109

Storage

Battery Storage

Battery energy storage system (BESS)

BS 7671 / BS EN 62619

Protection

DC Isolator / Disconnection Point

Under AS/NZS 5033:2021 a rooftop DC isolator is no longer mandatory; a rated disconnection point may be used instead

BS 7671 / BS EN 60947-3

Metering

Generation / Export Meter

Meters generation and export for feed-in tariff and small-scale technology certificate purposes

MCS / BS 7671

EV

EV Charge Point

Electric vehicle charging station

BS 7671 Section 722

Heating

Heat Pump (ASHP)

Air source heat pump outdoor unit

MCS / BS EN 14511

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Frequently asked questions about solar & renewables symbols

Are rooftop DC isolators still required in Australia?
Not as a blanket requirement. Australia was the only country in the world to mandate rooftop DC isolators, from 2012, and inspection data went on to identify them as the single largest source of DC faults in conventional solar systems. AS/NZS 5033:2021 removed the mandate. A rated disconnection point, such as connectors adjacent to the array, combined with a load-break disconnector at the inverter, can be used instead. Older installations still have them, and they still need inspecting.
What did AS/NZS 4777.2:2020 change for inverters?
It introduced demand response modes, so a compliant inverter has to be able to receive and act on signals from the network operator, along with revised grid protection settings. In practice the inverter model and its settings matter to the paperwork, not just the array.
Do I need accreditation to install solar in Australia?
To claim small-scale technology certificates the installation has to be carried out by an installer accredited under the relevant industry scheme, on top of the electrical licence your state requires. The accreditation number generally appears on the compliance paperwork alongside the licence number.
Are Australian solar symbols different from UK ones?
The symbols are the same. A module is a module and an inverter is an inverter. What differs is the isolation and protection arrangement around them, which is where AS/NZS 5033 has diverged from UK practice, and the metering, which follows local feed-in and certificate arrangements.

Related symbol guides

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Solar PV & Renewable Energy Symbols — UK

8 symbols · BS 7671 Sections 712/722 / MCS Standards / BS EN 62109

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Solar PV & Renewable Energy Symbols — US

8 symbols · NEC Articles 690/705/625 / UL Standards

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Electrical Symbols — Australia (AS/NZS 3000)

23 symbols · AS/NZS 3000:2018 / IEC 60617

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Symbols based on AS/NZS 5033:2021 / AS/NZS 4777.1 / AS/NZS 4777.2:2020 / AS/NZS 3000. This is a reference guide only — always consult the full standard for official symbol definitions.