Is the myenergi Hub worth building around: the case for a proper energy command centre
Zappi charges the car. Eddi diverts hot water. Libbi stores what is left. Here is what the full stack actually does that separate boxes can't.
myenergi is a British designed range built around one idea: no exported solar energy ever, if you can help it. Every kilowatt hour the roof makes goes into something you own before it leaves the property.
The three devices
- Zappi, the EV charger. Solar aware, three phase capable, tethered or untethered.
- Eddi, the hot water diverter. Sends surplus solar into the immersion element of your hot water tank instead of feeding it back to the grid at 3c a kilowatt hour.
- Libbi, the home battery. Stores whatever the car and the hot water didn't need.
Priority stacking
The Hub lets you set the order. A typical Perth setup: solar goes to the house first, then the car if it is plugged in, then hot water, then the battery, then grid export as a last resort. That order is fully customisable.
For a household that already generates more than it uses, the payback on Eddi alone is under two years. Add Libbi and Zappi and you are essentially off the grid for daylight hours nine months of the year.
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