New research from Stanford challenges the idea that decarbonizing cement production must lead to extreme cost hikes. By analyzing emission reduction levers, the study suggests that significant cuts are possible with manageable increases in production costs. If carbon prices in Europe rise, producers could potentially reduce emissions by 96% with a cost increase of around 12%. This methodology for calculating abatement costs can also be applied to other heavy industries like steel and aluminum.
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A 12 percent cost increase for a 96 percent drop in emissions sounds great on paper. The real question is who pays for the upfront capital to retrofit these kilns. Most cement plants are old and not designed for these swaps.
That is where the carbon price comes in. If the price per ton of CO2 is high enough, the payback period for those retrofits drops. It turns a cost center into a competitive advantage.
The article mentions heating to 1,400 degrees. If they move to electric kilns to hit these targets, we need to talk about the grid load. Adding that much industrial demand to the local transmission lines is a massive hurdle.
Stanford is basically saying the old McKinsey curves were too pessimistic. It is interesting that they think the cost jump is only 12 percent. Would be nice to see the actual data on which technologies they are prioritizing.
Exactly. If they are just talking about blending in fly ash or slag, that is low hanging fruit. The real challenge is the process emissions from the limestone itself.
