The Australian Energy Market Commission (AEMC) has approved new regulations stating that Australian households that generate electricity through rooftop solar panels will be charged by the power companies when they export electricity to the grid in the future. This reform will take effect in July 2025.
Are there lessons we can learn from the new policy changes in Australian household electricity bills and rooftop photovoltaics?
How should we handle excess electricity if we don't upload it to the grid?
We would be better off installing a battery backup system.
In the long run, solar off grid system remains an excellent investment.
In the past, solar photovoltaic panels did not produce electricity until the sun rose. However, thanks to advancements in science and technology, today's solar photovoltaic panels do generate electricity whenever the sun shines. Further, solar energy provides very clean, sustainable electricity.
Several years ago was the best time to install solar, but right now is a close second!
During the day, the solar panel produces energy that is stored in the battery. off-grid solar systems require it to provide a steady and reliable source of power, in order to power devices once the sun goes down.
Battery costs make up a significant portion of the total project cost. Let's examine the battery in more detail so that you can choose the right battery for your off-grid solar installation.
We'll specifically discuss lead-acid versus lithium-ion batteries, two of the most commonly used batteries for solar power.
The lead-acid technology is time-tested and affordable, but it requires routine maintenance and isn't as durable as other technologies.
For greater performance, however, lithium-ion batteries are more expensive compared to other battery technologies.
As far as lithium batteries are concerned, Lithium Iron Phosphate, or more commonly known as LiFePO4 or LFP batteries, is best for solar applications. Compared to previous technologies, this new one is more reliable and can be put through more cycles. As an added benefit, LiFePO4 batteries do not require regular maintenance or venting.
Despite the higher cost of lithium batteries upfront, there is the potential to spend less per kilowatt-hour over the battery's lifespan due to its extra efficiency. If you are operating off-grid, you should consider the battery's expected cycle life since a lot of power is consumed by the batteries every day.
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