Revolutionising Smart Energy Monitoring
Client:
Octopus Energy
Project:
Home Mini
Goal:
Create an intuitive, user-friendly device to help households monitor and reduce energy consumption while matching the price point of traditional in-home displays.
Results

Deployed to hundreds of thousands of homes UK-wide

Consistently high user satisfaction rates

Significant reduction in user support requirements

Enhanced energy usage awareness

Improved customer engagement with smart energy features
Challenge
Octopus Energy needed a compact, easy-to-use smart device that could provide real-time energy consumption data to homeowners while offering significantly more functionality than traditional IHDs.
Our Solution
We developed the Home Mini, a sleek, IoT-enabled energy monitor that sits in the home as a Smart device with a purpose build software platform that:
Tracks real-time energy usage with 10-second interval updates
Connects to smartphones for detailed analytics
Offers personalised energy-saving tips
Integrates directly with smart meters for accurate readings
Features secure, encrypted communications
Enables over-the-air updates for continuous improvement
Delivers real-time tariff and cost information
Integrates with Octopus's Kraken platform for advanced features
User Benefits
Real-time visibility of electricity and gas usage
Immediate cost tracking
Energy usage pattern insights
Smart tariff optimisation
Mobile app accessibility
Automated energy saving recommendations
Technical Solution
Rufilla’s innovative design approach included:
Custom Hardware Design Utilising the ESP32 Controller
Chosen for optimal balance of cost, performance, and availability
Integrated WiFi and Bluetooth capabilities
Robust security features
Efficient power management
Advanced Security Implementation
Comprehensive penetration testing
Secure boot implementation
Encrypted communications
Regular security update capability
Smart Meter Integration
Direct communication with smart meter systems
Real-time data parsing and processing
Multiple meter type support
Reliable data transmission protocols
System Architecture
Seamless connection with Octopus's Kraken platform
Real-time data synchronisation
Efficient data compression
Robust error handling
Current Development
Production Optimisation & Management
Optimised component selection for cost efficiency
Streamlined assembly process
Comprehensive quality control systems
Efficient supply chain management
Scalable production capabilities
What does this mean for you?
While these solutions were developed for smart energy applications, the underlying technologies and approaches can be adapted to solve similar challenges across various industries. Here's how this technology could transform your sector:
Manufacturing
Real-time production line energy monitoring
Machine efficiency tracking
Cost optimisation analysis
Predictive maintenance alerts
Resource usage visualisation
Healthcare
Patient monitoring systems
Medicine storage temperature tracking
Equipment usage optimisation
Resource consumption analysis
Compliance monitoring solutions
Retail
Store energy consumption tracking
Cold storage monitoring
Peak hours usage optimisation
Multi-location energy management
Cost center analysis
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