"Enabling property" refers to upgrades—specifically panelboards, sub-panelboards, branch circuits, or feeders—that are installed in conjunction with qualified energy-efficient improvements to meet National Electrical Code standards.
If you only installed windows, there is no enabling property. Did you enter an amount somewhere else on the form for heat pumps, biomass stoves, central air conditioners, etc.?
If not, then for this issue it would be best if you deleted the Form 5695 and then re-enter.
