zDAR™ is an integrated software package with facility ratings, Ambient-Adjusted Ratings (AAR) and Dynamic Line Ratings (DLR) solutions to comply with FERC Order 881 and NERC FAC-008.

zDAR™ provides a system of record with audit trails and well-defined ratings methodologies available to all stakeholders, reducing the time needed for management and compliance reporting.

zDAR™ can be deployed for both customers with and without existing SCADA/EMS Vendor AAR solutions.

Features and Benefits of zDAR™:

• Modular and configurable calculation engine implementing industry standard algorithms (IEEE, CIGRE) or custom calculation functions for your utility’s needs

• Support for facilities with multiple line segments conductors and other devices such as breakers, switches, etc.

• Calculation and report of normal and multiple emergency ratings, and most limiting elements for facility ratings

• Import and integrate contact and non-contact sensor measurements

• Calculation of seasonal ratings for import to EMS and operation planning software packages

• Calculation and display of Ambient Adjusted Ratings lookup tables organized by temperature ranges for day-night for import to EMS

• Auditing and version control capabilities, creates business reports using out-of-the-box auditing capabilities

• Deployable on-premises or in the cloud

• Fast deployment, allowing compliance with FERC Order 881 well before July 2025 deadline