How would one address this credit when the CI project is made up entirely of public space?

Is there a resource that further defines the activity space types as listed on the Case 2 LEED Offline Calculator and thier respective Source EUI's?

I understand the 12 mos tracking time period can start before the performance period begins but it must also include the performance period.

OK, I am still a little confused based on some of the comments below, but to me it is 100% clear just by the template alone that it is an either/or and not both.

I have a large high rise with a data center in it. It's last Energy Star rating was September 2010.

Trying to use Option 2 and I'm confused about Zone Floor Area in the spreadsheet. Isn't the ZFA for sidelighting the same as the bay floor area?

I was just thinking. If this Credit allows us to exclude adversiment lighting and theme park lighting why is it so difficult to exclude flag lighting.

in the energy modeling result using HAP, the heating load unmet hours turns out to be 2000, however it shouldn't exceed 300 hours, knowing that our system is chilled water not dx units and the Tsta