> "Former satellite antennas are ideal as solar energy systems," Trackers almost never make economic sense; panels are now so cheap that it is usually cheaper

> "Former satellite antennas are ideal as solar energy systems," Trackers almost never make economic sense; panels are now so cheap that it is usually cheaper to just take up more area. But when the hardware has already been deployed and then abandoned, this can work. Hence the word "former" in that quote in the article!