NEM data spotlight

Australia's solar sector delivered a strong September performance in the National Electricity Market (NEM) as the country entered spring, with combined solar PV generation reaching 3,933GWh - a 17.83% increase from August's 3,338GWh.

In August 2025, the final month of Australia’s winter, utility-scale and rooftop solar PV generation in the National Electricity Market (NEM) saw a dramatic 22.5% month-on-month increase to 3,338GWh.

July 2025, the peak of the Australian winter season, saw generation from utility-scale and rooftop solar increase by 12.78% year-on-year in the National Electricity Market (NEM).

In the latest NEM data spotlight, solar generation in Australia reached its yearly lowest month, while rooftop solar prices spiked to AU$225.57/MWh.

In May 2025, utility-scale and rooftop solar PV dipped by 579GWh month-on-month in Australia’s National Electricity Market (NEM) to 2,861GWh.

April 2025 saw solar PV generation, both rooftop and utility-scale, decrease marginally month-on-month in Australia’s NEM by almost 11%.