Journal
Insights, background and notes from our work on energy management systems.
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Das Potential dazwischen
Die meisten Unternehmen optimieren ihre Energie Standort für Standort. Warum die nächste Ausbaustufe von enmacs:FLEX eine standortübergreifende Sicht bringt — ohne die Daten aus dem Unternehmen zu tragen.
This article is only available in German.
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Who Owns Your Energy Data
If the EMS runs in the vendor's cloud, who actually owns your energy data? Why data sovereignty is an architectural principle at enmacs — not a compliance checkbox.
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Managing Faults Actively
A central grid-connection sensor failed — the very one our feed-in management decides on. How enmacs:FLEX caught the silence, shut down the dependent systems in a controlled way, and kept a silent failure from turning into a real plant risk.
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Make Measurable What Cannot Be Measured
A meter reporting the same value for hours looks like a good reading — but it's silence. Why enmacs:FLEX doesn't just measure which value a device reports, but whether it's still sending at all.
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Important Entities Watchdog: Monitoring Home Assistant Entity Availability
The Important Entities Watchdog monitors whether important entities in Home Assistant are still reporting and catches silent failures the "unavailable" status misses – with installation, configuration and example automations.
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Peak Shaving – the Underestimated Lever
Why a single load peak determines a whole year's grid charges — and how enmacs:FLEX caps it before it even arises.
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Finding Home Assistant Entities Faster
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Can't the Inverter Handle That Itself?
Inverters can do a lot – but they can't see the whole system. Why heterogeneous industrial operations need an overarching layer.
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AI Spots What People Overlook
An outlier in the wallbox forecast, a new company car charged overnight: why an AI-based EMS sees anomalies that get lost in day-to-day operations.
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Proactive Instead of Reactive Energy Management
A classic EMS looks backwards, an intelligent EMS looks ahead. What that means in practice – and how enmacs:FLEX turns forecasts into decisions.
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Human in the Loop: Who Stays in Control?
Our EMS controls automatically, but never uncontrolled. Why transparency, traceability and manual override are architectural principles for us.
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Make Energy Costs Predictable Instead of Riding Out Price Shocks
Heating oil +44%, petrol and diesel +21%: the real problem isn't the price, it's the unpredictability. How an overarching EMS creates resilience.
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Why "Off the Shelf" Isn't Enough
Standard EMS control every device on its own – an overarching EMS coordinates. The difference between reactive and proactive, shown at a PV peak.
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Software and Integration as the Core of Energy Management
An effective EMS is primarily a question of architecture – not hardware. Why integration is the first step before any optimisation.
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dena Energy Efficiency Award 2025 for KIS Antriebstechnik
Together with KIS Antriebstechnik we built a tailor-made energy management system – and won the dena Energy Efficiency Award 2025 with it.