After 3 separate long blackouts in the last week or so the grid per the operator "collapsed" Sunday due to lack of fuel to run the generators. The island was "plunged into darkness" per a Reuters article.
This of course is intentional, Rubio convinced Trump they should do this intentionally and they have been doing so ever since. Millions without power which also in Cuba means millions without running water or safe refrigerated food.
That's you president Woodnut, killing Cubans to "free" them