“The analysis demonstrates that it is possible to carry out this transition from a technical and economic perspective with some measures being vital for achieving this ambition in a cost-effective manner… the most influential measures for achieving the renewable transition are discussed” https://www.sciencedirect.com/science/article/pii/S1364032118307913
Also interesting in this context is the paper below:
“Germany has a slightly higher potential
to achieve the net-zero goal than the other two countries, whereas the USA,
without a positive energy policy, will underperform in the near future,
compared to most countries worldwide” https://link.springer.com/article/10.1007/s10098-018-1636-x
P.S - Obviously the world´s largest concentrated solar power plant in the image below is not in Germany