Yikes, I just googled it and found this
https://financialpost.com/commoditie...lved-in-canada
Somewhere in the range of 50-80 million tonnes of LNG egress per year has been mothballed over the last decade. I'm sure there's a lot of overlap in capacities with the 3 or 4 different projects listed, but that's a LOT of money. Asian LNG is around 6.8 $/mmBTU (lhv) or 318 $/ton USD. US LNG is around 1/3 that price if I am reading things correctly.
That's an outrageous amount of revenue and missed royalties, even taken on the low end of the scale.