TransmissionCore Screenshots TransmissionCore Harmonize transmission billing, settlement, and allocations. Transmission Billing Transmission Shadow Allocations Screenshots Schedule a Demo You’re currently viewing screenshots of TransmissionCore Go Back Create transmission customer invoices for all transmission products including firm, non-firm, point-to-point, (and more) using the balancing authority’s OATT. Provide all supporting data for the customer to validate their invoices in the preferred format (PDF, Excel, etc.) and seamlessly integrate with AR/AP systems. Utilize robust functionality – including the use of OATT-specific formulas – for sub-allocating EIM statements to transmission customers. Drill into transmission customer data to view all variables used in the calculations down to the lowest level of granularity.