John quoted The Systems Bible by John Gall
Content warning Definition in A.1
Anergy. Anergy-state. Any state or condition of the universe, or of any portion of it, that requires the expenditure of human effort or ingenuity to bring it into line with human desires, needs, or pleasures is defined as an Anergy-state. Anergy is measured in units of effort required to bring about the desired change.
— The Systems Bible by John Gall (Page 14)