Generally means wanting less cloud.
MS are likely dicovering their energy cost are rising and need to do something to mitigate that, sogoing green or at least producing some of their own energy is more like a necessity than a move to save the planet.
But hey! why miss out on a bit of PR when the oppurtunity arises.
Not sure if even Microshaft could consider running their own nukes, it's not so much the cost of building as paying for all the crazy safety redundancy that goes with it, in spite of coal adding to radiactive backgroung levels mors than nukes do.