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Comment by pjc50

2 days ago

You might say "any country relying on international pipelines for gas would need to build and maintain full local backup capacity", except they didn't. Hence the Russia/Ukraine war causing all sorts of problems.

==the Russia/Ukraine war causing all sorts of problems.==

Problems, yes. Catastrophes, no. It's not clear that they "needed" full backup capacity.

"Full capacity" backup looks different when you have sufficient batteries on the grid. Building enough backup generation to hit peak capacity would entail a lot more gas plants than building enough to hit average capacity and using batteries to supply the peaks.

Most states have sizeable underground gas storages, often reusing old oil and gas fields. The capacity being from weeks to months of normal use, possibly much longer with some rationing. This mostly turned out to be sufficient to enable a quick switch to LNG and other sources.