Hot Water Systems in Bidwill
The 2770 postcode, covering Bidwill, Blackett, Dharruk, Emerton, Hebersham, Lethbridge Park, Minchinbury, Mount Druitt, Mount Druitt Village, Shalvey, Tregear, Whalan and Willmot and surrounding areas, is home to around 20,074 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 Bidwill and the 2770 area, 915 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 Bidwill's climate delivering an average of 4.5 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 2770
71st
State Wide
321st
Australia Wide
Hot Water Installation Bidwill
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 Bidwill
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterBidwill
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.
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Heat Pump Hot Water Systems for Bidwill
Compare heat pump hot water systems suitable for Bidwill'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 - Bidwill, 2770
Hot Water Demographics - Bidwill
Based on the Australian Bureau of Statistics 2021 Census (ABS), Bidwill has around 20,074 private dwellings, home to approximately 56,379 people. With an average household size of 3 people, and around 50 litres of hot water used per person each day in Australia, Bidwill households use approximately 150 litres of hot water daily, equating to a massive 3.0 million litres of hot water used across the suburb every single day.
Other census insights reinforce Bidwill's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Bidwill community is home to 4,441 couple families with children and 2,314 one-parent families, meaning a large proportion of households face substantial hot water demand. With 5,153 homes owned with a mortgage and 3,766 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.
Bidwill is converting hot water demand to efficient systems faster than many peers, with 4.6% of dwellings already upgraded.
Hot water systems in Bidwill
Across Bidwill and the wider 2770 area, more households are switching to an energy efficient hot water system to cut bills and move away from ageing gas and old electric units. With an average household size of around three people and more than 18,000 occupied dwellings in the postcode, reliable hot water is a big chunk of everyday energy use. Median household incomes are modest, so every dollar on power counts, and upgrading to a modern heat pump hot water system, solar hot water system or efficient electric hot water system is becoming the logical next step.
Bidwill’s climate is well suited to efficient hot water. The local weather station at Oakhurst records mean daily solar exposure of about 16.2 MJ/m², which is roughly 4.5 kWh/m² per day. That strong sunlight supports both heat pump and solar hot water heating system performance, especially when paired with rooftop solar. For families juggling school runs, shift work and tight budgets, the annual hot water energy savings from replacing an old gas or electric unit can be substantial, particularly when you factor in lower running costs year after year.
In 2770, most homes are separate houses with three or four bedrooms, so hot water demand is steady, especially for larger families. Many properties still rely on older gas or resistive electric units, which are far from the most efficient hot water system options now available. Local installers are seeing strong interest in heat pump vs solar hot water comparisons, as people weigh upfront hot water system price against long term savings. Brands like Rheem heat pump hot water, Sanden heat pump units and Rinnai solar hot water systems are common choices for families chasing the best heat pump hot water system, while Rheem solar hot water and Chromagen solar hot water are popular for those wanting a full solar hot water installation.
Typical annual bill savings in Bidwill for a well sized upgrade might look like:
• Old electric to a quality heat pump hot water system: $400–$800 per year • Gas to heat pump hot water: $300–$700 per year • Gas to solar hot water system: $250–$600 per year • Old electric to modern electric hot water installation with rooftop solar: $250–$500 per year
Over time, these savings help offset the heat pump hot water price or solar hot water price, especially when you include rebates.
Efficient hot water is not new to Bidwill. There have already been 915 efficient hot water installations (heat pumps and solar hot water) recorded in the postcode. Installations climbed sharply around 2009 and 2010, with 180 and 324 systems installed in those years alone, as early solar hot water rebate programs kicked in. While yearly numbers have settled since, recent installs in 2023–2025 show a steady trickle of households continuing to electrify, invest in hot water repair or replacement, and look for the most energy efficient hot water system they can afford.
Hot Water Rebates, Tariffs & Savings
Right now there is growing interest in Bidwill in replacing old gas or electric units with efficient options like heat pump hot water installation, solar hot water installation or a modern electric hot water installation that works hand in hand with rooftop solar. Homeowners can often access a mix of Australian Government Small-scale Technology Certificates (STCs) and NSW hot water rebate schemes that apply to efficient systems. These incentives effectively cut the upfront hot water system cost or heat pump hot water cost, with discounts that can trim the price by a sizeable percentage. When you add the ongoing savings of hundreds of dollars a year and smart controls like timers or solar diversion, the payback period can shrink to just a few years. There are also electric hot water system rebate options in some programs, making solar hot water vs electric hot water comparisons more attractive for budget conscious families. For many households, solar hot water vs electric hot water now comes down to roof space, lifestyle and whether they want to future proof for an all electric home.
If your current unit is rusting, running out of hot water or due for a solar hot water tank replacement, it is a good time to check whether your Bidwill home is ready for a hot water upgrade. Whether you are moving from electric hot water vs gas hot water, or weighing up a rheem solar hot water system against a Sanden heat pump, working with experienced hot water installers like us makes a real difference. With Bidwill’s solid sunshine, strong interest in sustainability and rising power prices, an energy efficient hot water system can help cut bills, reduce emissions and add comfort. Reach out to trusted local experts for personalised advice on the best hot water system Australia has to offer for your home, hot water nsw options and how to maximise any hot water rebate nsw incentives available.