Your partner for energy optimization
OpenWatt gives you access to your smart meter data. Analyze, optimize and master your energy consumption in real time.
Why OpenWatt
Real-time monitoring
Follow your consumption and injection as they happen.
30-day history
Understand your usage with clear charts and trends.
Overvoltage alerts
Know when grid voltage peaks and what it means for your inverter.
EN 50160 reports
Expertise reports to support your compensation claims.
Our products
Hardware that plugs into your smart meter.
Our plans
Simple yearly plans that grow with you.
Starter
€50/year
- Real-time tracking
- 30-day history
- Consumption charts
Smart
€100/year
- Everything in Starter
- 5-second frequency
- Over/undervoltage detection
- Virtual battery
Premium
Coming soon
- Everything in Smart
- 3-second frequency
- Expertise reports
- EN 50160 compliance
Public tools
Real-time Map
See live voltage measurements on the grid across Belgium.
Need help?
Browse our documentation or contact our team.
Demo
Discover the platform with a demo account.
Contact
A specific question? Send us a message.