Option 1 calculates savings in annual energy cost, but utility prices may vary over the course of a year. This sample demonstrates how to document varying electricity tariffs. Option label Option 1 Credits EAp2 EAc1 EAp2 EAc1 EAp2 EAc1 EAp2 EAc1 EAp2 EAc1 EAp2 EAc1 EAp2 EAc1 EAp2 EAc1 EAp2 EAc1 EAp2 EAc1 EAp2 EAc1 EAp2 EAc1 EAp2 EAc1 EAp2 EAc1 EAp2 EAc1 EAp2 EAc1 Documents Sample Utility Tariff Charges :: Sample utility tariff charges.pdf