This $600m, 100MW concentrating solar power (CSP) plant, Shams 1, is astonishing to behold in its eerily silent desert location, but it does feel like something of a white elephant.

It was supposed to be followed by two similar-sized phases, Shams 2 and 3 — the start of an invasion of CSP plants across the Middle East. But due to the relatively high cost of the technology compared to PV, the plan is now indefinitely on hold.

“When