Client Overview
UK based Smart energy provider catering to 400K+ customers across 2 countries
Business Need
- The client was facing scalability and stability issues with AWS based smart energy metering solution they had in place even with just 5K-10K devices in the field. They wanted a cloud native architecture solution custom made to suit their deployment setup
- The client also had connectivity issues with OTA Server and as a result, the OTA success rate was around 20-30%
Plexusbit Contribution – Smart Energy Metering Solution
- Developed a gateway that served as an entry point for each device and facilitated secure communication with AWS services. The gateway processes 6million+ messages to/from devices on daily basis
- Migrated from TCP based protocol to MQTT protocol to ensure efficient and reliable communication between the devices and the cloud.
- Microservices architecture implementation to ensure scalability and fault tolerance
- Developed analysis framework to track and root cause the connectivity drop while performing OTA
- Optimizations made in networking stack of OTA Service to improve reliability
- Developed dashboards to track connectivity drop, OTA success rate, online/offline meters count and some for predictive maintenance
- ESP32 based device software enhancements for efficiency and sleep mode implementation for battery saving purpose
Business Impact
- Client could expand customer base by 4000% from 10,000 users to 400K+ devices in the span of 3 years
- OTA success rate touched 70-80%
Solution Diagram
If want to build a smart energy meter solution customized to your needs or have an IoT project that you’d like to discuss, please feel free to contact us