Hot Water Systems in Derwent Bridge
The 7140 postcode, covering Derwent Bridge, Black Hills, Boyer, Bradys Lake, Bronte Park, Bushy Park, Butlers Gorge, Dee, Ellendale, Fentonbury, Fitzgerald, Florentine, Glenfern, Glenora, Gretna, Hamilton, Hayes, Hollow Tree, Karanja, Lachlan, Lake St Clair, Lawitta, Little Pine Lagoon, London Lakes, Macquarie Plains, Magra, Malbina, Maydena, Meadowbank, Molesworth, Moogara, Mount Field, Mount Lloyd, National Park, New Norfolk, Osterley, Ouse, Plenty, Rosegarland, Sorell Creek, Strickland, Styx, Tarraleah, Tyenna, Uxbridge, Victoria Valley, Wayatinah and Westerway and surrounding areas, is home to around 5,365 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 Derwent Bridge and the 7140 area, 123 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 Derwent Bridge's climate delivering an average of 3.7 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 7140
22nd
State Wide
1309th
Australia Wide
Hot Water Installation Derwent Bridge
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 Derwent Bridge
* Data from the Bureau of Meteorology. Closest station: N/A.
Solar Powered Hot WaterDerwent Bridge
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 Derwent Bridge
Compare heat pump hot water systems suitable for Derwent Bridge'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 - Derwent Bridge, 7140
Hot Water Demographics - Derwent Bridge
Based on the Australian Bureau of Statistics 2021 Census (ABS), Derwent Bridge has around 5,365 private dwellings, home to approximately 11,086 people. With an average household size of 2.4 people, and around 50 litres of hot water used per person each day in Australia, Derwent Bridge households use approximately 120 litres of hot water daily, equating to a massive 0.6 million litres of hot water used across the suburb every single day.
Other census insights reinforce Derwent Bridge's suitability for energy-saving improvements like energy-efficient or solar-powered hot water. The Derwent Bridge community is home to 776 couple families with children and 352 one-parent families, meaning a large proportion of households face substantial hot water demand. With 1,743 homes owned with a mortgage and 1,676 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.
Derwent Bridge is converting hot water demand to efficient systems faster than many peers, with 2.3% of dwellings already upgraded.
Hot water systems in Derwent Bridge
In Derwent Bridge, more locals are rethinking their old hot water system and looking at smarter options like a heat pump hot water system, solar hot water system and efficient electric hot water system. With a median household income around $1,197 a week and many homes either owned outright or with a mortgage, every dollar on power bills counts. The average household size of 2.4 people across the 4,500+ occupied dwellings in 7140 means steady hot water demand, especially through cold Tasmanian winters.
Derwent Bridge actually has solid solar exposure for such a cool climate. The local weather station records mean daily solar energy of about 13.3 MJ/m², which is roughly 3.7 kWh/m² per day across the year. That level of sunshine helps both a solar hot water heating system and a modern heat pump hot water system perform efficiently, even when the air temperature drops. For many homes, upgrading from older gas or resistive electric units to an energy efficient hot water system is the logical next step, with annual hot water energy savings often running into the hundreds of dollars.
Across the 7140 postcode, there are 4,582 occupied private dwellings, with a good mix of separate houses and smaller units or cabins. That mix suits a range of hot water installation options, from compact electric hot water installation in flats through to roof-mounted solar hot water installation on family homes. Hot water typically accounts for around a quarter of household energy use, so choosing the most efficient hot water system can make a big difference to overall bills. Many locals are weighing up heat pump vs solar hot water, or solar hot water vs electric hot water, to find what fits their roof space, budget and lifestyle.
To give you a feel for potential savings in Derwent Bridge, here are some typical annual bill reductions when you upgrade:
• Old electric to 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: $300–$700 per year • Old electric to modern electric hot water with rooftop solar: $250–$500 per year
Local installers commonly work with brands like Rheem, Rinnai, Sanden and Thermann. A Rheem solar hot water or Rinnai solar hot water setup can suit homes with good roof orientation, while a Sanden heat pump or Rheem heat pump hot water system is ideal where roof space is limited or winters are particularly cold. These systems are often shortlisted when people search for the best hot water system Australia wide or the best heat pump hot water system for Tasmanian conditions.
In the 7140 area, there have already been 123 efficient hot water systems installed, combining both heat pump and solar hot water installations. Install numbers picked up in the late 2000s, with peaks around 2008–2011 when installations hit double figures each year. While recent years have been quieter, those earlier installations show strong local interest in electrification, lower running costs and getting off expensive gas hot water. As systems age, many of those early adopters are now looking at solar hot water tank replacement or another round of hot water repair and upgrade work.
Hot Water Rebates, Tariffs & Savings
Around Derwent Bridge, more households are planning to replace old gas or power-hungry cylinders with options like a heat pump hot water system, efficient electric hot water system or a new solar hot water system. Federal incentives such as Small-scale Technology Certificates (STCs) apply to eligible heat pump and solar hot water systems, effectively cutting the upfront hot water system price or cost at the point of sale. On top of that, Tasmanian hot water rebate programs can offer a specific heat pump hot water rebate or solar hot water rebate, and in some cases an electric hot water system rebate when moving away from gas.
When you combine these rebates with off-peak tariffs or solar self-consumption, the heat pump hot water price or cost and solar hot water price or cost can drop significantly, and payback periods can fall to just a few years. Many Derwent Bridge homes use timers or solar diversion controls so their energy efficient hot water system runs mainly when rooftop solar is generating. That can turn hot water TAS households into some of the lowest-cost hot water users in the state, and it is a key reason hot water rebate TAS programs are gaining attention.
If you are in Derwent Bridge and your current unit is leaking, needing constant hot water repair, or just costing too much to run, now is a smart time to look at a hot water upgrade. Whether you are comparing electric hot water vs gas hot water, or trying to decide between heat pump vs solar hot water, experienced local installers can size a system to suit your household and budget. Working with hot water specialists who understand Derwent Bridge’s climate and growing focus on sustainability means you can reduce bills, cut emissions and future-proof your home. To discuss options, from electric hot water system rebate eligibility to solar hot water repair or solar hot water tank replacement, connect with trusted local experts for personalised advice with us.
