Saturday, April 6, 2019

Renewables 1/3rd of total generation capacity

To have even a chance of limiting the rise in global temperatures to 2 degrees C, we have to stop building new coal power stations.   The build out of new coal power stations, globally,  is slowing.  But to cut emissions, we have to head rapidly for the situation where 100% of all new generation capacity is in renewables.  And we're quite a way from that, so far.  The good news is that 1/3rd of all existing generation capacity is renewables including hydro.  The bad news is that new fossil fuel capacity is still being added, and that less than 2/3rds of new capacity added is renewable.  I expect the red line in the chart below to steepen (2018 was held back by tariff increases on solar panels in the USA and India, and by capacity constraints imposed in China), especially as costs of new renewables are now everywhere either at or below (sometimes way below) the cost of new coal.  The world may reach 70% of new capacity in renewables this year.

Much of the new fossil fuel generation capacity is in gas, which produces half the emissions of coal, but it still produces some CO2. 

Source: CleanTechnica

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