----- Original Message -----
From: "Jim Lux" <firstname.lastname@example.org>
>> They have experimented with lines up to 1 million volts in the U.S. and
>> we do have some lines running DC now in the states.
> The Pacific Intertie includes is a +/- 400 kV DC link that has been in
> operation since the 1960s
> This link (now running at +/- 500kV, since 1982) terminates at the Sylmar
> converter substation just north of Los Angeles and carries arount 3 GW.
I seem to recall someone telling me that the Sylmar link was capable of
operation against a ground return?
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