Jnorean t1_ixd3wg6 wrote on November 22, 2022 at 3:24 PM

This works if there is no need to convert DC power into AC power at the receiving end of the transmission line meaning all homes run on DC power only. The DC to AC cost is expensive ( not included in the calculation of cost/KWh) and requires a large power plant and separate lines to do the job. May happen in the future but not until all homes only require DC and not AC power.

danielv123 t1_ixdz1w2 wrote on November 22, 2022 at 6:50 PM

Well, no. You can't put 800kv in the outlets. Instead, you'll go 800kv HVDC -> 600kv AC > 70kv AC > DC > 50kv AC 50hz then feed it onto the existing grid for further stepping down. DC to AC and the other way around is expensive, but all your electronics already go both ways because it's the easiest way to transform voltage now.