A record-breaking month of renewable energy generation has been set in three different states across Australia, as big batteries continue to smooth prices.

Renewable records usually fall in spring, but in Australia's most coal dependent grid a new peak was reached one day before winter, and batteries played a key role.

Grid scale and residential Battery storage in Australia has increased so much the energy regulator will supply free electricity next month.

Under pressure from renewable generation and a surge in battery installations, electricity prices are falling across Australia.

A record-breaking month of renewable energy generation has been set in three different states across Australia, as big batteries continue to smooth prices.