Here’s what you need to know about the program.

How would the batteries reduce bills?

“So the more you can feed back lower cost energy from batteries to that period, the more you can lower the overall cost of energy.”

Where would the batteries come from?

“If we increase installs by 300, 400, or even 500 per cent, and then this policy stays in place out to 2030, then there absolutely is every probability that Australian suppliers are going to step up and be more a part of the process,” he said.

Are solar batteries safe?

“It’s important to not conflate fires caused by low-quality electric scooters with good quality household batteries.”

What about renters and apartments?

“There could be split incentives for renters and landlords, and policies to deal with council regulations and strata titles.”

Are the batteries sustainable?

“If you consider that often for a household appliance, the life cycle of that appliance is something like 15 to 20 years, so solar really makes a significant reduction in emissions,” he said.

How long could it take to roll out?