Hmmm.
My hillbilly hydro has 8 of the twisties, and it's barely enough.
The current seedlings are under a 6 tube T5HO, and seems to be just about right.
And the bulbs are no more than about 3" from the tops.
Problem with using minimal lights is that they will grow weak and leggy. When you try to put them outside the sun burns them and the breeze breaks them.
If you have your shelving unit in front of a southern facing window, you can get by with almost no supplemental lights, but a fan to strengthen the stems in a big plus.
If no southern exposure, and depending on lights, ditch the shelves and go flat.
Doesn't really need more than some plywood and cinder blocks for on the cheap.
200 plants in 3.5" containers, I wouldn't go less than 4 of 2 tube, 4 foot cheap shop lights with daylight (cool white) bulbs. Some recommend "warm white", but to each their own.
Of course, you can go bonkers with lights, pots, special medium, and play classical music while talking to them, but for first try, cheap is best.
How big/how many peppers?
Not a clue.
The factors are endless.
Bugs, wind, hail, dogs pi$$ing on them, pepper thieves, and the variety are just a few factors.