WWEC 2025_ Transitioning to 100% RE_SA experience_1.pdf

1、Transitioning to a 100%Variable Renewable Electricity GridThe South Australian ExperienceMonica Oliphant AO,Monica Oliphant AO,DUniSADUniSAAustraliaAustraliaWWEC 20251st 8thDecember 2025Shantou City,ChinaSouth AustraliaSouth AustraliaArea of South Australia:1M sq km.Capital:AdelaidePopulation:1.9 M

2、with 1.47M in the Greater Adelaide RegionExcellent wind and solar resources.412 MW Goyder South wind farm.Photo:412 MW Goyder South wind farm.Photo:NeoenNeoen AustraliaAustraliaSAs Long History of Wind Resource AssessmentIn 1984 1988,there was a SENRAC(State Energy Advisory Committee)study at30 moni

3、tored sites at 10 m,on and off grid.Average wind speeds 5.1 7.7m/sFirst“large”wind turbine in SA,150 kW at Coober Pedy 1991Evidence of a good wind siteElectricity Utility wind survey of the 1955 195727 monitored sites:8 at 9m with paper tape and rest at 3m,anemometers read monthly.2003 2003-Starfish

4、 Hill Wind Farm Near Cape JervisStarfish Hill Wind Farm Near Cape Jervis22 x 1.5MW wind turbines22 x 1.5MW wind turbinesLife to be extended to 30 years Life to be extended to 30 years wind farm close 2033wind farm close 2033Factors Determining Viability of Wind&SolarFactors Determining Viability of

5、Wind&Solar Good Resource Close to Network Land Availability Government Support Planning Approvals Finance RECs,FiT and RET High Electricity Tariffs Community SupportLocation of Wind and Location of Wind and Solar Farms in South Solar Farms in South AustraliaAustralia&Transmission NetworkTransmission

6、 NetworkThe Big Blackout The Big Blackout 2828ththSeptember 2016September 2016andandBig Battery Big Battery December 2017December 2017100MW/129MWh(Now 1074 MW/1509 MWh)Graph from SA Government Graph from SA Government RE Contribution by State RE Contribution by State 2025 2025(Aus:42.0%)Installed El