SURE they do---but ALL the energy imparted to the fission fragments is NOT the sole result of electrostatic forces, which is what "Moonman" was asserting.
Just so we are clear ...
Here's a quote from a REAL nuclear science text (Nuclear Reactor Engineering, Glaasstone and Sesonske).
"- the fission fragments - which are propelled in opposite directions as a result of the electrostatic repulsion between them."