Ian Nelson

[Ian Nelson @inelson13]

@panchofco @AXELKAISER Por que su productividad lo permite.

[Edmundo González @EdmundoGU]

Agradecemos a la ONU, OEA, Unión Europea, los Estados Unidos, Brasil, Colombia, Chile, México, Argentina, España, Italia, Portugal, Perú, Costa Rica, El Salvador, Uruguay, Ecuador, Panamá, Guatemala, República Dominicana y Paraguay, por instar al respeto de la voluntad de los venezolanos expresada el 28 de julio, requiriendo la publicación por mesas de las actas de votación por parte del CNE, tal como lo expresa nuestro ordenamiento jurídico y el comunicado publicado por el Centro Carter, observador internacional invitado por el CNE.

La comunidad internacional y los venezolanos pedimos respeto a los resultados y transparencia electoral con la publicación de todas las actas.

La verdad es el camino a la paz.

[ACENOR A.G. @AcenorAG]

📰 Hoy en La Tercera, el director ejecutivo de ACENOR propone hacer obligatorio que los proyectos #renovables variables ingresen a evaluación ambiental habilitados para proveer servicios complementarios.

#clienteslibres #ACENORenlaprensa

https://t.co/QIux1hKCxw

[Fundación para el Progreso @fppchile]

[OPINIÓN] 📰 Lee la columna «El soldado olvidado», por @GerardoVarela_A, vicepresidente del directorio FPP, publicada en El Mercurio.

Disponible en https://t.co/0wQPBjjQOt

[Diego Rosales UHD @Diego_Rosales__]

Me dijeron Facho Pobre, esta fue mi respuesta 👇

[Carlos Suazo M. @casuazom]

¿Qué oportunidades hay para almacenamiento en 🇨🇱? ¿Qué nivel de precios pueden capturar?
Un poco de información acá 👇

Ingresos potenciales de un BESS de 100 MW/6 hrs ante predicción perfecta de precios para 2022 en todo Chile (un poco más de 1100 puntos de la red)

🧵1/6

[Carlos Suazo M. @casuazom]

La sobreoferta ocurrió en condiciones particulares, especialmente ante condiciones de baja de manda.

https://t.co/Xv8UE7jTnS

[Rodrigo Castillo M. @rcastillomurill]

Columna de Rafael Loyola, Cristián Sepúlveda, Carlos Jorquera: Energías Renovables Flexibles: estabilidad para un sistema eléctrico cada vez más exigido - La Tercera https://t.co/HvsqPoDWPH

[Michael Liebreich - @MLiebreich.bsky.social @MLiebreich]

15. BTW, density is also a huge problem for truck fueling infra. Tube trailers carrying 750kg of compressed H2 would require 16x more deliveries than the equivalent energy via diesel tankers. Even liquid H2 tankers would need 4x as many deliveries. No H2 pipeline, no truckstop.

[Michael Liebreich - @MLiebreich.bsky.social @MLiebreich]

14. Finally (?) methanation. You could ship synthetic LNG, but why would you? Getting the carbon from DAC will be very expensive; from biomass, probably not available where hydrogen is cheap; from fossil fuels, WTAF! Easier to ship fossil LNG, then capture and return the CO2.

[Michael Liebreich - @MLiebreich.bsky.social @MLiebreich]

13. If there's one thing less likely than shipping liquid hydrogen, it's H2 for longhaul aviation. Again, it's volumetric density that kills it. And if you say 'flying wing', I say 'all tanks at -253C, all planes and airports redesigned from scratch.' E-jet maybe, probably SAF.

[Michael Liebreich - @MLiebreich.bsky.social @MLiebreich]

12. So that's why imports of hydrogen and its derivatives will be far lower than you might think. Clean Hydrogen is vitally important to decarbonise certain sectors, but claims it can deliver 20% of CO2 abatement by 2050 are an order of magnitude too high. Electrify everything!

[Michael Liebreich - @MLiebreich.bsky.social @MLiebreich]

11. Finally, efuels. Yes! E-methanol for shipping fuels solves the serious safety issues associated with ammonia. E-jet fuel may be needed for aviation if SAF is volume-limited. But e-fuels will be very expensive. You need HYDROGEN and CARBON and you need to COMBINE them.

[Michael Liebreich - @MLiebreich.bsky.social @MLiebreich]

10. Japan is hanging its entire decarbonisation strategy on clean ammonia imports. OK it can't import power via HVDC, but it can do nuclear and vast amounts of offshore wind. Betting on ammonia will mean punitive power prices and de-industrialisation. Sad.
https://t.co/AGbd9RFwBO

[Michael Liebreich - @MLiebreich.bsky.social @MLiebreich]

9. So that leaves ammonia. Yes, we can and will ship ammonia. The question is WHY SHIP AMMONIA? If it's for fertiliser or industrial use, go clean ammonia! But if it's to import green electricity, nested inefficiencies mean huge cycle losses - and HVDC kills it. Systems thinking!

[Michael Liebreich - @MLiebreich.bsky.social @MLiebreich]

8. Metal hydrides have the same problems as LOHC for shipping: the energy carried per unit volume is just too low to be economically viable. AND you have to send the ship back full (fuel cost), AND you have to apply heat at the destination to release the hydrogen (losses). #Fail

[Michael Liebreich - @MLiebreich.bsky.social @MLiebreich]

7. Let's deal with Liquid Organic Hydrogen Carriers (LOHC). Bung H2 into benzyl toluene and it's stable at ambient temp & pressure. Great! Except you get just 54kg H2 for every m3 of solvent, even worse than liquid hydrogen. May work for stationary storage, useless for shipping.

[Michael Liebreich - @MLiebreich.bsky.social @MLiebreich]

6. OK, are we done with the absurd notion of transporting liquid hydrogen? In fact, LH2 will have no role anywhere in energy and transport. The only way to transport hydrogen economically is by pipeline. Or of course as ammonia, or in metal hydride or liquid organic carriers.

[Michael Liebreich - @MLiebreich.bsky.social @MLiebreich]

5. Can liquid hydrogen re-use infrastructure created for LNG? Power supply and docks, sure; 70% of pipelines may be re-purposed. But not the liquefaction and gasification plants, compressors, storage tanks, etc. Vital to listen to independent experts!
https://t.co/tnrKSrIpwQ