We were among the first organisations to endorse President-elect Trump," the AEA said in a statement.
"We're excited to work with his administration to put forth energy policies that will deliver affordable energy to American families, invigorate the economy, and create more opportunities for future generations."
For delegates in Marrakech, Mr Trump's promises to pull out of Paris and his general climate scepticism are an unwelcome distraction but not as yet a derailment.
Many believe that over time, the realities of a changing climate would bring even the wealthy businessman into line.
"It's clear Donald Trump is about to be one of the most powerful people in the world," said Alden Meyer, from the Union of Concerned Scientists.
"But even he does not have the power to amend and change the laws of physics, to stop the impacts of climate change, to stop the rising sea levels.