The transition to a new energy mix is technically feasible and less expensive than many had feared. But we need to think and act more holistically than before.

Almost half of the electricity in Germany is already generated from renewable energy sources. At certain times, it is even possible to meet the entire German electricity demand using renewable energy. This sounds like a success and an energy transition milestone, but despite these figures and substantial investments Germany will not achieve its climate targets for 2020. Energy is much more than just electricity for example transport and heating still rely mainly on fossil energy.

https://new.siemens.com/global/en/company/stories/research-technologies/energytransition/the-future-of-energy-decarbonizing-is-achievable.html