Julia Atwood, Head of Advanced Materials at BloombergNEF, explains why batch steelmaking in electric arc furnaces suits intermittent green energy.
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“Electric arc furnaces can use intermittent power, so they're great if you just plug them into wind and solar, because you're making the steel in batches.”
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More from Julia Atwood
PredictionOpen · timeframe Dec 2050
Atwood: Green hydrogen could be the cheapest steelmaking method by 2050
“The simplest way to put it is that we think by twenty-fifty, making steel with hydrogen could be the cheapest way to do it.”
Julia AtwoodAug 31, 2022▶ 18:05The Big Switch: The Race to Green Steel
PredictionOpen · timeframe Dec 2050
Atwood: Global steel production will peak around 3 billion tons by 2050
“We make about two billion tons of steel today, every year. We think by twenty-fifty that's going to peak and level out at about three billion tons.”
Julia AtwoodAug 31, 2022▶ 7:51The Big Switch: The Race to Green Steel
Opinion
Atwood: Material efficiency in steel will only yield a 10-20% improvement
“I don't think we're actually going to make a lot of things better, not enough to make a real difference. I think there you're thinking about like a 10 or 20% improvement.”
Julia AtwoodAug 31, 2022▶ 5:19The Big Switch: The Race to Green Steel
AssertionSupported
Atwood: Hydrogen can be used in some existing steel plants
“Part of the beauty of hydrogen is that you can use it in some plants that are existing today, so it's really just a switch in what kind of gas you're pumping in”
Julia AtwoodAug 31, 2022▶ 13:04The Big Switch: The Race to Green Steel
AssertionSupported
Atwood: Steel achieves an 80% to 90% global recycling rate
“Compared to plastics, where you're recycling maybe 10% of it, steel is like 80 or 90% recycled.”
Julia AtwoodAug 31, 2022▶ 6:59The Big Switch: The Race to Green Steel
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