It's difficult to provide concrete numbers here. A lot of independent research is needed on data. All one can point is examples. For example, it is acknowledge

It's difficult to provide concrete numbers here. A lot of independent research is needed on data. All one can point is examples. For example, it is acknowledged by many that Germany made a mistake in shutting down their nuclear power plants since all they have done is simply increase their reliance on coal plants. Also, their renewables share of 36% quoted by several folks on HN also includes biomass! https://www.politico.eu/article/germany-climate-change-green-energy-shift-is-more-fizzle-than-sizzle/ https://www.politico.eu/article/germany-climate-change-green... https://www.forbes.com/sites/michaelshellenberger/2019/05/06/the-reason-renewables-cant-power-modern-civilization-is-because-they-were-never-meant-to/#3e6e8213ea2b https://www.forbes.com/sites/michaelshellenberger/2019/05/06...