You may have seen the odd story this week involving floating solar – it is like a giant that has woken up, and it is rubbing its eyes, sitting up and making itself noticed. The one we are thinking about is on the Indira Sagar Dam in India, where a dam that initially only gave 1 GW of peak energy capacity will now have 1 GW of solar placed on the surface of its reservoir – doubling the amount of energy that can go on the grid. Of course this is not what will happen, it is all so much less predictable than that – dams sometimes dry out, or lower and produce less than 50% of their peak capacity,…