![]() More batteries are being installed in Australian homes as the cost of technology falls. Grid-connected batteries can be charged during off-peak times so that owners can pay lower prices for electricity. If connected to the grid, batteries have to be set up to provide back-up power in case of blackouts and extra equipment needs to be purchased to override default protections. In a stand-alone or off-grid energy system, the energy stored can be used when demand exceeds the output from onsite energy sources. The benefits of batteries include the potential to save you money, reduce your dependence on the grid, give you more control over your energy use, provide back-up power, and deliver better environmental outcomes.īatteries can be stand-alone (off the grid) or can be connected to the grid. Some manufacturers are developing take-back policies for batteries: when purchasing batteries, ask the supplier if they are involved in a recycling program.Batteries should be installed by accredited installers, and maintained to ensure safety and performance.However, prices are continuing to fall, and government rebates and incentives may be available to offset the initial cost. ![]() This means the payback period can be very long. Batteries will allow you to use less energy from the grid, but they are still reasonably expensive. Also consider the financial impact of batteries.You will need to consider battery capacity, depth of discharge, efficiency and expected lifecycles. Check the specifications of the battery before you purchase to make sure it suits your household and lifestyle.You may also need a petrol or diesel generator as a further backup in a stand-alone system. For batteries to provide back-up power in grid-connected systems, you need to buy additional equipment.Stand-alone battery systems may enable you to be independent of the grid, and to store the energy generated by your solar PV system for use at night or during cloudy periods.Batteries are usually either lithium ion, lead-acid, or flow (zinc bromide or vanadium). Battery systems may be stand-alone or may be connected to the main electricity grid.Batteries can save you money, reduce your dependence on the grid, and give you more control over your energy use. ![]()
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