First of all, it's very different for electricity, natural gas, and oil.
As we found out in August 2003, the grid is very much interconnected. When things go wrong, things go wrong. It's very hard to fix. It could easily be systemic and create a lot of problems.
The natural gas market is a continental market. It's a market that really operates in North America, outside any reference to what's going on in other parts of the world.