Security of supply
From Power Shifts wiki
The diversification of sources and suppliers and a transformation towards more internally produced energy in order to ensure the long-term availability of cheap and abundant energy as well as reducing dependency on politically unreliable trading partners.
Securing energy supply in the short term
In case of a sudden shortfall there are a lot of back -up power plants all over the European Union, waiting or running under complete utilization for balancing possible short-time outfalls. Most of these emergency production facilities heavily rely on gas, making it the most important back-up energy resource.