Particle, photon, proton, electron, phase, laser, plasma, tachyon, pulse, disruptor, dark energy, dark matter, it's all (fictional) energy.
Thus all of these names would be ridiculous, no offense. Renaming energy weapons to one of these would leave out all other energy based weapons.
Generator/Dynamo/Battery etc. is at least logical for mounts and Alex would do well to leave the weapons at Energy, since there's simply no better word for it in the entire galaxy. Yes, that includes the Sirius VII Zarkonian Book of Infinite Words and Logic.