supply mix

  • Low carbon generation

    Australian Chart of the week | Race to the bottom: Negative prices on the rise and spreading

    Negative prices are becoming a more frequent occurrence in the NEM as variable renewable energy (VRE) plays a larger role in the supply mix. Negative priced offers from generators form a large part of the MW capacity offered into the market. The negative prices we see in dispatch intervals reflects...

  • Energy storage and flexibility

    Australian Chart of the week | The more things change, the more they stay the same…

    This Chart of the week focuses on the comparatively small but important Frequency Control Ancillary Services (FCAS) in the NEM. FCAS in terms of total dollars is minuscule in comparison to the total energy bill. While the proportion may appear small, its function is key to maintaining a secure operating...