"Energy is never created or destroyed" is one way of stating the law of this "of energy"
The disequilibrium produces a field potential that results in a flow of energy in... [DOC] [TLE] Conservation of Energy - Physics - University of Wisconsin-Green Bay [PAR] In order to work a problem using Conservation of Energy, you need to know ... 
Energy is never created or destroyed, although under action of a force it can 
change in form.