Shillpa Singh Senior Sustainability Manager YR&G LEEDuser Basic Member96 thumbs up Mon, 06/14/2010 - 17:48 For EAc2, the kWh saved with the PV are to be based on the energy model energy consumption results and same costs used for EAc1 if available. It sounds like you developed an energy model that should help you determine EAc2 energy cost generated.