In South Australia rapid expansion of grid-connected and distributed renewable generation has contributed to the closure of coal-fired electricity production and placed greater reliance on the remaining fossil-based generation and imports on meeting demand when South Australian renewable production is low. Concentrated wholesale markets and gas scarcity now explain higher wholesale electricity prices and lower…
Tag: Australia
Assessing the viability of Energy-Only Markets with 100% Renewables
Abstract – Efficient wholesale electricity markets should drive preference revealing bidding where generators offer the majority of their power at their short run marginal cost (SRMC). However, most renewables have very low SRMCs, which in a competitive market is likely to lead to an increasing proportion of low priced periods. Combined with concerns around the…