The South Australian grid has witnessed yet another step change in its world-leading transition to 100 per cent renewables, with the market operator dialling the output of the state’s gas generators down to unprecedented low levels. South Australia often runs at more than 100 per cent renewables, with the excess supply sent to Victoria and, in smaller amounts, stored in one of the state’s three big batteries or the thousands of household batteries. Some gas generation – even when there is enough wind and solar generation to meet all local demand – is usually required to provide “synchronous generation” considered ... (full story)