I tracked it down in another comment, the 200 w/m^2 is the maximum output of the harvester, e.g. if you started spraying the panel with a firehose.
In this case, the input energy available is ~4 orders of magnitude lower than that.
In this case, the input energy available is ~4 orders of magnitude lower than that.
Probably wouldn't want to live there. Replicants would be able to run their fridges, though.
(in reference to the ridiculous advertising tactics of cheap audio/computer speaker systems in the 1990s)