[DoctorOetker]

I wasn't referencing Elon's claim, but your reply to

> In fairness, solar cells can be about 5x more efficient in space (irradiance, uptime).

Clearly this person was referencing a financial efficiency predominantly through uptime.

Your other points: I agree :)

[ben_w]

> Clearly this person was referencing a financial efficiency predominantly through uptime.

I read the person you are quoting differently, as them misunderstanding and thinking that the current 1 TW-peak/year manufacturing was 1 TW-after-capacity-factor-losses/year.