Solar and wind: what decarbonization costs?

The costs of decarbonizing by ramping up solar and wind depend on the context. But our best estimate is that solar and wind can reach 40% of the global grid for a $60/ton average CO2 abatement cost. This is a relatively low cost. Yet it still raises retail electricity prices from 10c/kWh to 12c/kWh. This 7-page note explores numbers and implications.

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