Wind and solar power generation in South Australia (SA) has exceeded demand at some moments in the day as the state prepares to add its biggest battery yet to a growing energy storage arsenal. SA saw over 130 percent of energy demand met solely by wind on Friday at 2:25 a.m., which was a new state record. Together, wind and solar also regularly exceeded 100 percent at certain moments in the day throughout the week. To aid in the state’s renewable energy drive, Maoneng Australia has been given the green light for the development of a $150 million big battery located 22 kilometres outside Adelaide in Gould Creek. Minister for Trade and Investment Stephen Patterson welcomed the project which will be the biggest energy storage system in SA. It will be capable of supplying 225 MW (megawatts) power to support 40,000 homes for a maximum of two hours. “South Australia’s …