Steel production: costs and energy economics?

Economics steel production blast furnace

…dozen input variables, such as capex, opex, iron ore prices, coke prices, coal prices, gas prices, electricity prices, limestone prices, labor rates and tax regimes. The economics of blast furnaces…

Energy return on energy invested?

Energy return on energy invested

…net basis after efficiency losses. Global average EROEI is around 30x. Sources with EROEI above average are hydro, nuclear, natural gas and coal. Sources with middling EROEIs of 10-20x are…

Paper production: energy economics?

Energy costs of making paper

…CO2 intensity. Total energy intensity is usually around 5-6MWH per ton of paper, coming one-third from external energy sources (e.g., electricity, gas, coal) and two-thirds from burning bark and other…

Energy transition: hierarchy of needs?

Energy transition could fall apart

…fall apart? Constructive solutions will include debottlenecking resource-bottlenecks, efficiency technologies and natural gas pragmatism. https://vimeo.com/680851397 https://thundersaidenergy.com/2022/07/07/energy-transition-wheel-of-time/ https://thundersaidenergy.com/2022/07/21/political-shifts-do-energy-shortages-cause-revolutions/ https://thundersaidenergy.com/downloads/global-energy-supply-demand-balance/ https://thundersaidenergy.com/2022/01/06/renewables-can-they-ramp-up-faster/ https://thundersaidenergy.com/2022/01/13/glass-fiber-what-upside-in-the-energy-transition/ https://thundersaidenergy.com/downloads/energy-transition-leading-commodities/ https://thundersaidenergy.com/2022/02/10/falling-towers-how-will-energy-shortages-play-out/ https://thundersaidenergy.com/2022/01/20/us-lng-new-perceptions/ https://thundersaidenergy.com/2021/12/30/energy-crisis-ten-themes-for-2022/ To view the video directly in…

Coal miners: a screen of Western companies?

coal companies

…times, thermal coal producers have debatable ESG credentials, owing to being the highest carbon fossil fuel, and 2-3x higher CO2 intensity per MWH of useful energy than natural gas. However,…

Japan: nuclear re-start tracker?

Japan nuclear restart by facility

gas instead. With all its nuclear plants shut down in 2011-12, LNG imports jumped by around 20MTpa, while the remaining shortfall was covered by ramping oil-fired power back upwards by…

Helion: linear fusion breakthrough?

Helion linear fusion technology

…with eventual costs seen at 1-6c/kWh. This would indeed be a world-changer for zero carbon electricity (chart below). https://thundersaidenergy.com/2021/11/11/power-functions-how-would-gas-shortages-change-the-cost-curve/ (2) Linear Reactor. This is not a tokamak, stellarator or inertial…

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