Long have we studied the mystery of the Dwemer; most baffling of all the question of how their technology continues to function despite their complete disappearance several ages ago.
However, every attempt to transport Steam Centurions or Centurion Spiders to the Imperial Province for further research has resulted in them shutting down once as soon as the boat left Morrowind.
This led us to the conclusion that the power supply was, and is, Vvardenfell in its entirety. Astounding! An entire continent's mystical energy harnessed for the use of cutting-edge technology!