Look in the Deductions and Credits section. You may have to click a button that says "Show more tax breaks"
Even though the installation would seem to be an improvement to your house, the 8911 data is in a section under "Car" in the same section that mentions Electric Vehicles. I think if you go through the interactive questionnaire for installing a car charger in the Car section of Deductions & Credits you'll end up with an attached form 8911.
