Lowering your average electricity bill with solar power

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Published 16 November, 2017 by  

Average electricity bill

With energy rates rising by up to 20 per cent earlier this year, it’s safe to say, we’re facing a serious energy crisis in Australia. Depending on where you live, average electricity bills are predicted to rise by 5 per cent to 17 per cent, as a result of the recently approved Australian Energy Regulator (AER) network price increases.

Turning to renewable energy can be a cleaner and significantly cheaper alternative to mainstream electricity, but it’s important to do your research. There are a number of aspects to consider to ensure you’re reaping the maximum benefits of a solar power system. We’ve compiled some useful tips and resources to help you determine just how much a solar power system could positively impact your average electricity bill.

Understanding your current electricity usage and costs

Being aware of your current electricity usage and costs is the first step to understanding how you can benefit from a full solar power setup. According to the Clean Energy Council, a typical Australian household consumes around 18 kWh of electricity per day, which means that a 1-2kW system could displace approximately 25-40 per cent of your average electricity bill.

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However, the electricity needs of a single person living in a four-bedroom home are going to be substantially different from a family of four living in the same-sized house. To work out your individual average energy consumption, revisit your previous energy bills and take note of the kilowatt hours (kWh) across each of the seasons, along with the cost per kilowatt.

Selecting the best solar setup for your home

When selecting a solar power system for your home, the best setup should cover your average electricity use devised from your previous electricity bills. With your household’s average electricity usage established, the table below can help you to determine what size solar power system you would need to generate adequate energy for your home.

Average daily production

Location 2 kW 3 kW 4 kW 5 kW
Adelaide 8.4 kWh 12.6 kWh 16.8 kWh 21 kWh
Brisbane 6.3 kWh 12.6 kWh 16.8 kWh 21 kWh
Canberra 6.45 kWh 12.9 kWh 17.2 kWh 21.5 kWh
Darwin 8.8 kWh 13.2 kWh 17.6 kWh 22 kWh
Hobart 7.0 kWh 10.5 kWh 14.0 kWh 17.5 kWh
Melbourne 7.2 kWh 10.8 kWh 14.4 kWh 18 kWh
Perth 8.8 kWh 13.2 kWh 17.6 kWh 22 kWh
Sydney 7.8 kWh 11.7 kWh 15.6 kWh 19.5 kWh
 Information source: Based on data from Clean Energy Council Grid Connected Design Guidelines 

Benefits of adding a solar battery to your system

Adding a solar battery with Reposit to your solar power setup will ensure you’re only connected to the grid when you need to be and only when energy prices are at their lowest. Reposit achieves this by monitoring your household energy usage patterns, analysing weather forecasts 24 hours in advance and making informed predictions based on the collected data. Learn about time-of-use and predictions and pre-charging here.

You can also reduce your average electricity bill with a solar battery and Reposit, by utilising GridCredits®. When your electricity company needs to meet electricity demands during times of peak energy usage, Reposit will automatically sell the stored energy you’re not using for an extraordinary price to the company. In return, you’ll enjoy a lower average electricity bill.

Regardless of where you’re up to in your solar journey, we’re here to help. If you’d like to know more about any of the information outlined, don’t hesitate to get in touch with one of our friendly team members.

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