Modern aluminum plants can operate in a fairly wide band around "expected power" and are often used in a load shedding/load taking capacity to use excess capaci

Modern aluminum plants can operate in a fairly wide band around "expected power" and are often used in a load shedding/load taking capacity to use excess capacity or make up for lack of capacity. They get cheaper electricity prices to pay for that grid stabilization service. It seems that at least some of australias smelters haven't caught up with that development yet: https://www.theguardian.com/commentisfree/2019/oct/31/australias-aluminium-sector-is-on-life-support-it-can-and-should-be-saved https://www.theguardian.com/commentisfree/2019/oct/31/austra...