The federal government is spruiking a new scheme which will give millions of Australians a chance to get up to three hours of free electricity each day.

Right now, huge amounts of solar power generated in the middle of the day go to waste, as most people aren't home to use it and there aren't enough batteries to store it.

So the idea is to encourage people to use this free electricity window to run their air conditioners, washing machines or dishwashers while the grid is overflowing with solar energy.

But not everyone will be able to access the scheme, and there are also concerns it could push up prices at other times of the day.

Here's everything you need to know.

Who can sign up?

Energy retailers will be required to provide the offer, dubbed Solar Sharer, to households in New Sout

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