We are in trouble. We're on a trajectory for global temperature to increase by four to six degrees centigrade above the pre-industrial level.
Actually poorer countries have wonderful options because the price of photo-voltaics is falling so sharply, places like Mali. Actually the low-cost solution is off-grid photo-voltaic power. The fact that we can now put solar panels for pumps for irrigation, for refrigeration, for cold chains, for vaccines, for running schools, for allowing remote schools to be online.
The 90 per cent reliability figure represents the amount of energy that can be relied on for 90 per cent of the time.
But if this technology is not feasible then the coal is going to have to be left in the ground. We are not going to ruin this planet in the interests of one particular sector.