In the first half of 2018, 42% of Germany's electricity came from renewables including hydro. Another 13% came from nuclear, leaving 45% from fossil fuels. About 8% of generation was exported. Nuclear generation is to be shut down by 2022.
Also, electricity generated from hard coal output is falling faster than output from lignite (brown coal) generation, which is problematic because lignite produces 15-20% more CO2 emissions per kWh than hard coal
You can clearly see the rise in renewables in the chart below. The problem is that if the annual increase in the renewables percentage remains at 3.4%, the rise in renewables will simply compensate for the decline in nuclear. Although I think nuclear plants are far too expensive to be useful, existing one should be kept in operation. Fukushima put paid to that. So by 2022, the percentage of electricity generated by fossil fuels will not have fallen at all.
Germany takes its climate targets seriously, and it appears it is not on track to achieve its reasonably ambitious goals, which are much wider than just replacing fossil fuels in electricity generation:
After being a leader for two decades, Germany will make little progress on de-carbonising its economy for the next 3 years.
[Source of charts: Energy BrainBlog]
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