One of four words
Why intelligent.
The fundamental constants of physics are tuned to a precision that defies casual explanation. Move any of them a fraction of a percent and stars do not form, or atoms do not hold together, or chemistry never becomes possible. The window in which a universe like this one can exist is narrow.
This is sometimes called fine-tuning. It is not a proof of anything on its own. But the standard response to it, which is that there must be countless other universes and we simply happen to live in the one that works, is a far larger claim than the one it is trying to avoid, since it asks you to believe in an infinity of worlds nobody can ever observe, all in order to keep accident in the picture.
If all of this were accidental, you would expect a universe that makes no sense to us, and that is not the universe we got.
Intelligence here does not mean a designer with hands. It means that the patterns we live inside, the physical laws, the mathematical structure underneath them, the way a cell reads DNA, the way an ecosystem keeps itself in balance, the way energy organizes itself into things that can eventually turn around and ask questions, all of it looks far more like something that was thought through than like something that just fell together by chance.
The universe is intelligible to us, and that is a stranger fact than it sounds. Mathematics, which we invented inside our own heads to think with, turns out to describe physical reality with a precision that nobody has ever really been able to account for. Eugene Wigner called this the unreasonable effectiveness of mathematics, and it is only unreasonable if you assume reality is mindless to begin with. If there is a mind in it, then of course the mathematics fits, that is exactly what you would expect.
Energy and consciousness on their own do not get you a universe that actually holds together. You need intelligence running through them as well, or what you end up with is a mess instead of a world.