Not only that, but in the 2012 debates, Perry proposed that he would want to eliminate the Department of Energy as president:
> Gov. Rick Perry couldn't remember the third federal agency he has pledged to eliminate. "The third agency of government I would, I would do away with, the Education, the... Commerce and, let's see," Perry said, as his brain freeze continued. However, a few minutes later in the debate, Perry remembered that the third department was the Energy Department. "By the way that was the Department of Energy I was reaching for a while ago," he said with a chuckle when he was asked another question.
https://www.cbsnews.com/news/rick-perry-fails-to-remember-wh...