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Replacing Solar or Electric Heat Pump Water Heaters
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Quick Guide for Home Owners

Most solar or electric heat pump water heater replacements will need to be high efficiency gas, solar or heat pump. The exceptions are for houses in Remote Areas (see table below) and apartments in multi-storey apartment buildings.

Metro / Near Adelaide, Regional and Remote Areas

Properties outside of a local council area are Remote. For all other cases, the post code of the property applies:

Post Code Area
0872 Remote
5000 – 5202 Metro/near Adelaide
5203 – 5204 Regional
5210 – 5214 Metro/near Adelaide
5220 – 5223 Remote
5231 – 5236 Metro/near Adelaide
5237 – 5238 Regional
5240 – 5252 Metro/near Adelaide
5253 – 5263 Regional
5264 – 5270 Remote
5271 Regional
5272 – 5276 Remote
5277 – 5291 Regional
5301 – 5320 Remote
5321 – 5346 Regional
5350 – 5352 Metro/near Adelaide
5353 – 5354 Regional
5355 Metro/near Adelaide
5356 – 5357 Regional
5360 – 5372 Metro/near Adelaide
5373 – 5374 Regional
5381 Remote
5400 Metro/near Adelaide
5401 – 5416 Regional
5417 – 5440 Remote
5451 – 5453 Regional
5454 Remote
5455 – 5464 Regional
5470 – 5493 Remote
5495 – 5573 Regional
5575 – 5583 Remote
5600 Regional
5601 – 5605 Remote
5606 Regional
5607 Remote
5608 – 5609 Regional
5630 – 5690 Remote
5700 – 5710 Regional
5720 – 5734 Remote
5800 – 5950 Metro/near Adelaide

Solar or Electric Heat Pump Water Heater Replacement for Houses in Metro / Near Adelaide or Regional Areas

Water heaters need to be high efficiency gas, solar or electric heat pump. Low efficiency gas and conventional electric water heaters are not permitted. See Column A in the table below.

Solar or Electric Heat Pump Water Heater Replacement for Houses in Remote Areas

Low efficiency gas and conventional electric water heaters are permitted. See Column B in the table below.

Solar or Electric Heat Pump Water Heater Replacement for an Apartment

Low efficiency gas and conventional electric water heaters are permitted. See Column B in the table below.

Water Heater Options
Water Heater Type Column A
(up to 700 L)		 Column B
(up to 700 L)
Electric Can’t be installed Any system
Solar (Electric Boost) OR
Electric Heat Pump		 Small systems
(tank volume 220 L or less)*
18 RECs or more**		 Eligible for any number of Renewable Energy Certificates
Medium systems
(tank volume between 220 L and 400 L)*
28 RECs or more**
Large systems
(tank volume 400 L to 700 L)*
40 RECs or more**
Gas Instantaneous (Bottled or Mains) An energy rating of at least 5.0 Stars An energy rating of at least 2.5 Stars
Gas Storage (Bottled or Mains)
Solar (Gas Boost) Eligible for any number of Renewable Energy Certificates Eligible for any number of Renewable Energy Certificates
Solar (Wood Boost, no other boosting) Any system Any system
Wood Combustion (no other boosting)

 

Note *: For multi-tank solar systems, ie where there is a solar preheat tank that feeds into an instantaneous water heater or other storage water heater, use the volume of the preheat tank only as follows:
  Small: 110 L or less
  Medium: Between 110 L and 200 L
  Large: 200 L to 350 L
     
Note **: RECs (Renewable Energy Certificates) are based on Office of the Renewable Energy Regulator (ORER) Zone 3, regardless of the actual zone in which the water heater js installed.

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