Lithium & The Future, page-85

Gas and coal plants not the only ones at risk

Solar also poses a threat to Western Power's grid network, as the cost of storing its energy in batteries comes down, allowing customers to disconnect.
Mike Laughton-Smith from Solar Balance, a company which supplies battery storage systems, said it was already happening.
"It is happening all around for simple apartment blocks in Perth, councils as owners, are realising for a very modest investment in solar power in the car park they can get a really good return.
"They can make a good return for standard grid connect solar systems of over 20 per cent, compared to the 2 per cent they will earn on their money in the bank.
"On top of that they can be assured that tariffs will keep on rising and they'll keep on getting a good return for their investment in solar power", Mr Laughton-Smith said.