All articles about my Home Assistant energy system and the rest of my smart home: what changed, what went wrong and what I learned from it. Newest first.
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Home Assistant on a mini PC: installation, a proper backup from day one and the apps you need at minimum
How to install Home Assistant on a mini PC, like my silent MeLE Quieter 4C. With the BIOS settings, a backup that also lives off the device, and the apps…
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evcc in Home Assistant: how I install and use it, with a home battery and a Zaptec
evcc in Home Assistant charges my car on solar surplus and in the cheapest hours. How to install it, what it can do, and what to watch out for with…
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Logbook: my heat pump’s low COP came down to the flow rate, and the roof faces due south
The first cold week: the heat pump’s low COP came down to the flow rate, the roof faces due south, the battery may go deeper and the inverter ran twenty…
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Logbook: EMHASS from three minutes to one second, and 29 % more panel on the roof
The week EMHASS went from three minutes to one second, the solar forecast finally matched reality, and it turned out there was 29 % more panel on the roof than…
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Logbook: my solar forecast was 26 % too low, so now I’m correcting it per month
The solar forecast EMHASS uses to plan my battery was structurally too low. My own measurement said +26 %, the electricity analysis from jeroen.nl gave something different per month. Why…
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Why I control my Dyness Stack 100 locally via Modbus in Home Assistant, not via the Deye cloud
My Dyness Stack 100 can be controlled through the Deye cloud. I deliberately don’t: everything runs locally via Modbus in Home Assistant. Why, and what that means in practice.
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How I use Claude for Home Assistant automations: packages, code reviews and dashboards
I let Claude write and review my Home Assistant automations and build my dashboards. Simply through the chat, with packages and YAML. A guide for anyone who has no experience…
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Claude AI in Home Assistant: controlling and building automations with natural language
With the official Anthropic integration, you talk to your house in plain language. What it brings, how to set it up, and why my energy control deliberately works without AI.
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Install EMHASS in Home Assistant: getting started step by step
You have a home battery, solar panels, a dynamic contract and Home Assistant. This is how you install EMHASS, configure the battery and get the first optimisation running.
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Logbook week 1: first results of my Home Assistant energy system
Ten days of Energy OS in charts: a calm heat pump, hot water at the cheapest hour, a battery that follows the plan and a sun that does better than…
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Home Assistant energy monitoring: how I notice when my energy system gets it wrong
Frozen values that look current are the most dangerous kind of error. Four ways my Home Assistant energy system monitors itself.
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EMHASS thought my house used 6 kW at night: a kW/W error in the base load
A unit error between kW and W left the charger in the base load. EMHASS learned that the house uses 6 kW at night, and planned accordingly.