If it makes any difference (agree, it's strange to post this article in particular given its date and small scope)...

Vietnam is still consistently engaging in rolling blackouts, as how I interpret them. But it really shouldn't be impacting corps at the moment - It seems to be limited to residential areas and infrequently (a few a month)

More apparent strain on their grid compared to neighbours. Still, it really makes you aware of how robust the UK grid ostensibly is. But my experience is limited given I've only experienced one or two suburbs per country, for limited periods.