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Letting Data Speak, AI Act!
Case Study
Real-Time EV Telemetry Analytics for Clean Energy Management
About the Client
A premier sustainability platform serving North America's major utilities with data-driven insights that optimize energy consumption and promote sustainable EV charging behaviors. The company transforms telemetry data from leading providers like ChargePoint, EVgo, and Wallbox into actionable intelligence for utility grid management and infrastructure planning.
Challenge
The client faced critical challenges in processing massive volumes of real-time EV telemetry data from diverse sources.
Data Volume and Velocity: Processing continuous streams of telemetry data from multiple EV manufacturers (Tesla, BMW, Mercedes-Benz, Audi, Porsche, Nissan, Honda, Chevrolet, Ford, Jaguar, Hyundai, KIA, Subaru, Volvo, Chrysler) and charging station providers (Wallbox, Chargepoint, RER) in real-time
Complex Data Transformation Requirements: Converting raw telemetry data into multiple distinct reports, BI dashboards and ML ready data for downstream analytics and applications.
Scalability and Performance: Traditional batch processing approaches could not handle the high-frequency data ingestion and transformation requirements while maintaining near real-time reporting capabilities
Data Integration Complexity: Harmonizing telemetry data from disparate OEM/EVSE sources with varying data schemas and transmission protocols into standardized reporting formats
Data Cleanup and Reporting Missing Data: The EV data platform quality is only as good as the data it has ingested from various sources. Hence it is critical to remove duplicates, cleanup the data and also report the missing data pro-actively.
Key Results
Reduced data ingestion time by 30%, enabling near real-time delivery of critical utility insights • Processed 100s of GBs of telemetry data daily with 99.9% uptime and reliability
Achieved ___% improvement in data processing efficiency through automated streaming pipelines
Solution
The solution implemented a modern data architecture leveraging streaming technologies and cloud-native platforms to handle real-time EV telemetry processing.
Real-Time Data Ingestion: Deployed Apache Kafka as the primary event streaming platform to capture and buffer telemetry data from OEM/EVSE sources, ensuring reliable data capture with configurable retention policies and automatic checkpointing
Medallion Architecture Implementation: Built a comprehensive data transformation pipeline in Databricks using Delta Live Tables (DLT) for stateful streaming processing, implementing Bronze (raw data), Silver (cleansed and transformed), and Gold (business-ready aggregations) layers
Automated Report Generation: Developed parallel processing workflows to generate both SAP reports (daily on-peak/off-peak kWh summaries) and USAGE reports (granular 15-minute interval charging data with power, current, and energy metrics)
Cloud Storage Integration: Implemented automated delivery of processed CSV reports to S3 storage with standardized naming conventions for seamless consumption by utility systems
Technologies Used
Apache Kafka
Databricks Delta Live Tables
PySpark
Amazon S3
Delta Lake
JSON/CSV Processing
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