Even if Germany can deliver on its aim to build two liquefied natural gas (LNG) terminals in a speedy two years, Europe's biggest economy will be barely off the starting line in its race to replace Russian gas.

The terminals could re-gasify enough LNG to meet perhaps about a third of the supply Germany now receives by pipeline from Russia, but Berlin also needs to secure supply in an already tight LNG market to feed them.

Economy Minister Robert Habeck said last month the terminals would have to be built at "Tesla speed," referring to how the electric vehicle pioneer built its factory near Berlin in just two years.