Norway looks to be a more stable source https://oilprice.com/Energy/Energy-General/The-Beginning-Of-...
But there was another source that I can't seem to find anymore that indicates that norway gas reserves are not that great.
edit: https://www.reuters.com/article/france-fertilizers-yara-intl... Fertilizer production was already hit by big gas prices, I think that cutting of russian gas won't help the situation.