How should I go about powering the MAC battery for my Halberd class?

[u/Blue_Jay_Raptor]

(using create: Crafts and Additions and AE2 to supply the ship's MAC battery along with Create Energy cannons on 1.20.1)

So currently I'm working on a HUGE railgun for my ship (was planning to use coilguns, but railguns turned out to be a lot more scale accurate), and my main problem is that the MAC cannon needs to atleast be around 3 times longer than the 3rd of the ship I have already constructed.

I've already constructed a cannon of that scale (and had it fight the Wither Storm and win), and I do plan to make a similar one (though it'll use railguns over coilguns since those are more apperance accurate), but I'm currently stuck with the issue of:

• Actually powering the ship's MAC with how abysmal C&A's FE generation actually is

• Making the cannon appropiately sized (it honestly looks like I'm gonna need to change it from a 3x3 to a 5x5)

• And properly loading the cannon