Several arrays of mirrors in concentric arcs concentrating sunlight on towers.

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1. Greg Egan (gregegansf@mathstodon.xyz)'s status on Sunday, 10-Sep-2023 16:13:50 UTC Greg Egan

   Concentrated solar photovoltaic, but the water that cools the PV modules is retained as a heat store, and some of the electricity drives a chiller to cool a second mass of water. The temperature difference drives a turbine, for ~17hrs of stored power.

   https://www.abc.net.au/news/2023-08-31/raygen-resources-opens-new-solar-and-thermal-power-plant-carwarp/102798366