On Thursday, 29 November 2018 02:27:04 UTC+2, JS wrote:
Suprisingly the boilers are not much of a thermal source either.
Jim

That probably indicates a good design where most of the solar energy is being absorbed by the collector in the tower and since the mirrors on the ground are reflecting most of the sun's energy instead of absorbing it like PV panels, they too are unlikely to generated much thermal activity.