Hot Water Systems in Biggenden
The 4621 postcode, covering Biggenden, Boompa, Coalstoun Lakes, Coringa, Dallarnil, Degilbo, Didcot, Golden Fleece, Lakeside, Wateranga and Woowoonga and surrounding areas, is home to around 844 households. With many households already generating their own clean solar power, many are now looking at how they can make their entire home energy system more efficient, with hot water heating often the logical next step.
With hot water roughly accounting for a quarter of the average home's energy use, switching to an energy-efficient hot water system is one of the biggest opportunities for savings. Across Biggenden and the 4621 area, 100 homeowners have already switched from older electric storage and gas hot water systems to solar hot water or air-source heat pump systems that draw on clean, renewable power while also claiming the hot water rebates to reduce their hot water heater system cost. These highly-efficient systems not only help cut energy bills but also reduce carbon emissions and improve overall energy independence.
With Biggenden's climate delivering an average of 5.3 kWh/m² per day, conditions are ideal for hot water systems and hybrid heat pump systems that harness both sunlight and ambient air temperature to heat water efficiently all year round. When paired with existing rooftop solar power or solar batteries, the result is hot water that costs far less to run and is powered by clean, self-generated energy.
Hot Water Ranking
Postcode 4621
274th
State Wide
1423rd
Australia Wide
Hot Water Installation Biggenden
Estimated daily energy to heat household water, comparing a resistive electric element with a high-efficiency heat pump. Demand shifts month-to-month using local climate patterns.
Energy Efficient Hot Water & Solar Power Biggenden
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterBiggenden
Illustrates how a typical 6.6 kW rooftop solar system can offset the daytime energy demand of a COP 5 heat pump hot water unit.
Want Solar Finance Options?
Compare lenders and get tailored loan offers.
Heat Pump Hot Water Systems for Biggenden
Compare heat pump hot water systems suitable for Biggenden's climate. These energy-efficient systems are designed to work in local temperature conditions and can significantly reduce your hot water energy costs.
Community Hot Water Statistics - Biggenden, 4621
Hot Water Demographics - Biggenden
Based on the Australian Bureau of Statistics 2021 Census (ABS), Biggenden has around 844 private dwellings, home to approximately 1,598 people. With an average household size of 2.2 people, and around 50 litres of hot water used per person each day in Australia, Biggenden households use approximately 110 litres of hot water daily, equating to a massive 0.1 million litres of hot water used across the suburb every single day.
Other census insights reinforce Biggenden's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Biggenden community is home to 88 couple families with children and 39 one-parent families, meaning a large proportion of households face substantial hot water demand. With 172 homes owned with a mortgage and 420 owned outright, many residents also have the homeownership and growing equity that make switching to efficient hot water systems a practical way to lower expenses.
Biggenden is converting hot water demand to efficient systems faster than many peers, with 11.8% of dwellings already upgraded.
Hot water systems in Biggenden
In Biggenden, more locals are rethinking their old gas and electric hot water system and moving to energy efficient options like a heat pump hot water system, solar hot water system and modern electric hot water system. With most homes here being separate houses and an average household size of around 2.2 people, a reliable, efficient hot water installation makes a real difference to comfort and quarterly bills. Many households are on modest incomes, so cutting running costs without sacrificing hot showers is a smart, practical upgrade.
Biggenden’s sunshine is a real asset. The town enjoys mean daily solar exposure of about 19.2 MJ/m², which is roughly 5.3 kWh per square metre per day across the year. That strong solar resource supports both a solar hot water heating system and the performance of a heat pump hot water system, especially when paired with rooftop solar. Swapping an older gas or resistive electric unit for an energy efficient hot water system can deliver substantial Annual Hot Water Energy Savings for Biggenden homeowners, freeing up cash for other priorities.
Across the 4621 postcode there are about 739 occupied private dwellings, with a large share owned outright and many residents over 50. That means plenty of older hot water units quietly chewing through power. Hot water energy use can be one of the biggest loads in a smaller household, so choosing the most efficient hot water system is important. Locally, we see steady demand for both heat pump hot water installation and solar hot water installation as people compare heat pump vs solar hot water and even solar hot water vs electric hot water when planning an all electric home.
Typical annual bill savings in Biggenden look like:
• Old electric to heat pump hot water system: save around $350–$700 per year. • Gas to heat pump hot water: save roughly $250–$600 per year. • Gas to solar hot water system: save about $300–$650 per year. • Old electric to modern electric hot water installation with rooftop solar: save around $250–$500 per year.
Brands like Rheem and Rinnai are common choices locally, with options such as Rheem solar hot water, Rheem heat pump hot water and Rinnai solar hot water popular for family homes. Premium heat pumps such as Sanden heat pump units are often seen as some of the best heat pump hot water system options in Australia, while Chromagen solar hot water systems are another solid choice where roof space and aspect suit a solar hot water tank replacement.
In Biggenden there have already been about 100 efficient hot water systems installed, combining both heat pumps and solar hot water systems. Installations ramped up around 2009 and 2010, with 20 and 15 systems installed in those years alone, and there has been a steady trickle of upgrades since, including new systems in 2024 and 2025. This trend shows growing local interest in hot water QLD electrification, lower running costs and getting away from ageing gas hot water where possible.
Hot Water Rebates, Tariffs & Savings
Across Biggenden, more households are looking to replace old gas or electric units with efficient options, whether that is a solar hot water system, a heat pump hot water system or a better controlled electric hot water system. For eligible homeowners, Australian Government Small scale Technology Certificates (STCs) can lower the effective solar hot water price / cost and heat pump hot water price / cost. On top of that, state based schemes can provide a heat pump hot water rebate, solar hot water rebate or even an electric hot water system rebate in some programs, helping to reduce the upfront hot water system price / cost by a sizeable percentage.
For many Biggenden households, an energy efficient hot water system can trim hundreds of dollars a year from power bills, especially when combined with solar and smart timers that run the system during the middle of the day. That can dramatically shorten the payback period on the overall solar hot water price / cost or heat pump system cost, and makes hot water rebate qld programs worth exploring.
If your current unit is older, noisy or struggling to keep up, it is a good time to check whether your Biggenden home is ready for a hot water upgrade. Whether you are weighing electric hot water vs gas hot water, comparing heat pump vs solar hot water, or simply need hot water repair or solar hot water repair, working with experienced local hot water installers matters. With Biggenden’s strong solar resource and growing interest in sustainability, upgrading to an energy efficient hot water system can help reduce bills, cut emissions and future proof your home. Reach out to trusted local experts for personalised advice on the best hot water system Australia can offer for your property and budget, and to plan your next hot water installation or solar hot water tank replacement with us.