Hot Water Systems in Black Rock
The 3193 postcode, covering Black Rock, Beaumaris, Black Rock North and Cromer and surrounding areas, is home to around 8,011 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 Black Rock and the 3193 area, 524 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 Black Rock's climate delivering an average of 4.3 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 3193
155th
State Wide
548th
Australia Wide
Hot Water Installation Black Rock
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 Black Rock
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterBlack Rock
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 Black Rock
Compare heat pump hot water systems suitable for Black Rock'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 - Black Rock, 3193
Hot Water Demographics - Black Rock
Based on the Australian Bureau of Statistics 2021 Census (ABS), Black Rock has around 8,011 private dwellings, home to approximately 19,380 people. With an average household size of 2.6 people, and around 50 litres of hot water used per person each day in Australia, Black Rock households use approximately 130 litres of hot water daily, equating to a massive 1.0 million litres of hot water used across the suburb every single day.
Other census insights reinforce Black Rock's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Black Rock community is home to 1,695 couple families with children and 229 one-parent families, meaning a large proportion of households face substantial hot water demand. With 2,576 homes owned with a mortgage and 3,630 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.
Black Rock is converting hot water demand to efficient systems faster than many peers, with 6.5% of dwellings already upgraded.
Hot water systems in Black Rock
Across Black Rock and the 3193 postcode, more homeowners are upgrading to an energy efficient hot water system to cut bills and move away from ageing gas units. With an average household size of 2.6 people and more than 7,400 dwellings, hot water is a major chunk of local energy use. Many homes are owned outright or with a mortgage, so investing in a modern heat pump hot water system, solar hot water system or efficient electric hot water system is a logical next step. The Beaumaris weather station shows strong mean solar exposure of around 15.3 MJ/m² per day – roughly 4.25 kWh/m² – giving Black Rock excellent conditions for a solar hot water heating system or high performance heat pump.
Black Rock households typically have higher-than-average incomes and sizeable mortgages, so controlling running costs matters. Swapping an old gas or electric hot water system for a more efficient option can deliver substantial Annual Hot Water Energy Savings. For many homes, hot water can be the second largest energy load after heating and cooling. That is why more locals are asking about heat pump vs solar hot water, solar hot water vs electric hot water, and even full all‑electric home plans that pair rooftop PV with an energy efficient hot water system.
In 3193, demand is strongest in three areas: family homes with three or four bedrooms, downsizers wanting low-maintenance systems, and households already with solar looking to maximise self-consumption. A modern heat pump hot water installation can cut hot water energy use by up to 70% compared with an old electric hot water system, while a well-sized solar hot water installation can supply most of your hot water for free on sunny days. Popular brands around Black Rock include Rheem solar hot water and Rheem heat pump hot water, Rinnai solar hot water and premium heat pumps like Sanden heat pump units for those chasing the most efficient hot water system. You will also see Chromagen solar hot water options on many roofs along the bay.
Typical annual bill savings in Black Rock look like this:
• Old electric to heat pump hot water system: $450–$900 per year • Gas to heat pump hot water system: $350–$750 per year • Gas to solar hot water system: $300–$700 per year • Old electric to modern electric hot water installation powered by solar: $300–$650 per year
Over time, these savings can more than offset the hot water system price / cost, especially when you factor in rebates and rising gas tariffs.
Efficient hot water is not new to Black Rock. There have already been 524 efficient hot water installations (heat pump and solar) recorded in the postcode. Installations were modest in the early 2000s, then spiked around 2009 with 79 installs as early solar hot water rebate programs kicked in. Steady numbers through the 2010s, with 20–40 installs most years, show ongoing interest in electrification and lower running costs. Even in 2023 and 2024, with 16 installs each year, more locals are choosing heat pump hot water installation and solar hot water repair or replacement instead of like-for-like gas.
Hot Water Rebates, Tariffs & Savings
Right now, there is growing interest in Black Rock in replacing old gas or resistive electric units with efficient options like a heat pump hot water system, a newer electric hot water system with smart controls, or a roof-mounted solar hot water system. Homeowners can usually access Australian Government Small-scale Technology Certificates (STCs), plus Victorian hot water rebate programs that support efficient upgrades. These can significantly reduce the heat pump hot water price / cost or solar hot water price / cost at the point of sale, sometimes cutting the upfront hot water system price / cost by 30–50%.
For many Black Rock homes, combining rebates with rooftop solar and off-peak tariffs means an upgrade can pay for itself in just a few years. Typical savings from an efficient hot water upgrade are often in the hundreds of dollars per year, particularly when using timers or solar-diversion to run a heat pump during the middle of the day. There are also electric hot water system rebate options that make electric hot water installation more attractive when you are moving to an all-electric home and want to get off gas hot water completely. Together, these hot water rebate VIC schemes and federal incentives make it easier to choose the best hot water system Australia can offer for your needs.
If your current unit is older, noisy, running out of hot water or in need of frequent hot water repair, it is a good time to look at options like rheem solar hot water, rinnai solar hot water, rheem heat pump hot water or a premium sanden heat pump. Whether you need solar hot water tank replacement, solar hot water repair or a fresh electric hot water installation, working with experienced local specialists ensures the system is sized correctly for your household and roof, and that you get the most from every available hot water rebate VIC program.
Ready to see if your Black Rock home is a good candidate for a heat pump hot water system, solar hot water installation or efficient electric hot water? Talk with trusted local hot water VIC experts who understand the suburb’s strong solar potential and growing focus on sustainability. With the right advice on heat pump vs solar hot water, tariffs and rebates, you can reduce bills, cut emissions, future‑proof your home and get a reliable, energy efficient hot water system tailored to your family – enquire for personalised guidance with us today.