Light Overkill?

[PieRat]

How many 1000w HPS lights would I be able to fit into a 2.4m x2.4m x2m mylar grow tent before it would become overkill? I plan to have 64 plants growing in sea of green.

Cheers,
Pie Rat

 

[DEAN420]

2

 

[PieRat]

Alrighto, cheers for quick reply mate!

 

[PieRat]

Actually, would it be more effective to run 600w HPS in this space? And if so how many would be optimum?
Here is a link to the tent I plan to use..
https://www.easygrow.co.nz/381-507-thickbox/homebox-grow-tent-240cm-x-240cm-x-200cm.jpg

Cheers,
PieRat