Client delivery
Transmission-grid metering integration
Integrated transmission-grid metering data from flow computers into central Swedegas data collection.
Python · PostgreSQL · ModbusGas · EnergyHENRIK VERKIST / SENIOR ENGINEER & CONSULTANTComplex systems.
Complex systems.
Clear ownership.
I design, build, integrate, and operate software systems that connect field devices, cloud and edge services, databases, user-facing applications, and existing business systems.
Most useful when the problem is technically difficult, spans several layers, or is not yet fully defined.
IoT·Energy systems·Systems integration·Industrial software·Cloud & edge
01 / PROOF OF WORK
All published projects Selected projects
Client delivery, product work, open-source engineering and applied research.
Client delivery
MQTT-SN heat-meter integration
Production collection and integration of NB-IoT heat-meter data over MQTT-SN into the Zonos metering head-end system.
Python · MQTT-SN · NB-IoTHeat · IoTField delivery
Corus EVC modernisation
Multi-stage modernisation of Corus electronic volume correctors for Nordion Energi / Weum Gas: protocol implementation, higher readout frequency, external power and a 4G modem rollout.
I-FLAG · 4G · External powerGas · IoTResearch
Flexmeter Hyllie metering platform
Built the backend and integration architecture for the Flexmeter EU-project test site in Hyllie, evaluating Connode 6LoWPAN IP mesh metering with more than 300 meters.
Python · Django · CassandraElectricity · IoTInternal product
Multi-utility metering and integration platform
A cloud-native AMR platform for collecting, processing and integrating meter data across protocols, devices and utility operations.
PostgreSQL · RabbitMQ · DockerEnergy · IoTClient delivery
MQTT-SN gateway
Initial MQTT-SN gateway implementation for ONE Nordic, serving around 9,000 meters in production.
Python · Async Python · MQTT-SNIoT · EnergyInternal product
Tariffhub — tariff data and calculation
Structured Swedish electricity-network tariffs and calculation logic turned into a reusable energy-data product.
AI · LLM agents · Web scrapingElectricity · DataOpen source
dlms-cosem — practical protocol engineering
Henrik is actively maintaining a Python DLMS/COSEM library for device integrations over serial and IP transports.
Python · DLMS/COSEM · HDLCElectricity · GasLIVE / PUBLIC RESOURCES
Explore the working sites
hanporten.se
HANporten.se — a practical guide to the meter’s local interface
An open guide to Swedish electricity meters’ HAN/P1 interfaces, with protocol information and examples for reading local data.
spot.utilitarian.io
Utilitarian Spot — energy prices for automation
A free public-good electricity-price API and analysis site with static JSON endpoints, day-ahead graphs, historical data and push notifications.
tariffhub.io
Tariffhub — tariff data and calculation
Structured Swedish electricity-network tariffs and calculation logic turned into a reusable energy-data product.
02 / HOW I CAN HELP
Bring me the hard part.
A senior hands-on partner from the first unclear requirement through deployment and operational reality.
01
Technical ownership
Discovery, architecture, engineering, delivery and production support. One person who can connect the decisions to the implementation.
02
Devices & integration
Protocols, edge software, field equipment, APIs and existing systems. Practical work where software meets physical infrastructure.
03
Energy & utilities
Deep experience in electricity, gas, heat and metering, applied to data collection, modernisation and operational platforms.
03 / END TO END
From device to production system.
Build the entire chain—or solve the difficult connection in the middle.
Field device→Gateway / edge→Processing→Platform→Business system
LET’S WORK TOGETHER
Need someone who can own the whole problem?
Consulting is delivered through u9n AB.