Investment Tax Credit (solar) for sole proprietor, pass-through-entity?

Within TurboTax, how do you use the Investment Tax Credit with a pass-through-entity? I think I need a Form 3468 but can't find it.  I found a forms availability page, and it says Feb 16th is when that form will be available. Is that accurate?
Where do I put the "business credit" within TurboTax?  Some other articles mention Form 3800, but that is for non-pass-through-entities.