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closewith | 7 days ago

Capex for H2 pipelines is higher than new HVDC, and opex is 5-10x HVDC per MWh-km so you're just wrong on this.

H2 makes sense for feedstocks but not energy distribution.

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pfdietz|7 days ago

The reference I gave you completely disagrees with your statement. So, present a link justifying it or I will just go with the link I have.

closewith|7 days ago

The PDF you shared actually agrees with my point if you care you to read it. It models the cost for a specific HVDC implementation, but the HVDC line selected is more expensive when transporting just 3% of the energy of the pipeline.

The same capex and opex can support 100x more Wh-km via HVDC, making HVDC at least an order of magnitude cheaper then the H2 pipeline.

What's interesting to me is that this is completely uncontroversial and incontrovertible, so I wonder where your insistence otherwise is?