Collect $1oa Eternal Ornaments from the most powerful creatures of the Eternal Palace.
Now that it's functioning, it occurred to me while repairing it that it has the capability to output even more energy.
Of course that'll require stronger materials to upgrade and the only place I can think of is in the Eternal Palace.
Azshara's army and even herself carry items of extraordinary power. If you could bring some of those back, I could at the very least test my theory and see it's viable.