To give an idea of the current spend:
In 2016, the U.S. spent $11 billion on renewable energy subsidies and $3 billion on energy efficiency. [1]
[1] https://www.forbes.com/sites/uhenergy/2018/03/23/renewable-e...
And Germany has put billions and billions of Euros into their aggressive renewable energy push with very little to show for it.
https://m.spiegel.de/international/germany/german-failure-on...
To give an idea of the current spend:
In 2016, the U.S. spent $11 billion on renewable energy subsidies and $3 billion on energy efficiency. [1]
[1] https://www.forbes.com/sites/uhenergy/2018/03/23/renewable-e...