Mike uses 1app.energy as the operating view for a serious three-phase setup with a Solis inverter.
A 15 kW Solis inverter. Four Fogstar batteries. A three-phase MyEnergi Zappi. Octopus Intelligent Go in the background. The hardware is capable; 1app.energy gives Mike one place to see what the home is doing and automate tariff-aware behaviour where supported.
Clear enough for daily use. Specific enough for a complex home.
The quote below is from a customer email, shared with permission and lightly edited for readability.
“Clear, reliable app for managing my home energy in one place. I use it to monitor my electricity usage, home battery, and EV charging, all on a single dashboard. The automation is the best part. It handles tariff optimisation and exports surplus back to the grid when the battery has room. Well designed overall and takes a lot of the effort out of running a modern home.”
Mike Fadden
15 kW Solis inverter · 4× Fogstar batteries · Three-phase Zappi · UK home
The issue was not the equipment. It was seeing how the equipment worked together.
Many people with a Solis inverter reach this point once battery storage, EV charging and a smart tariff are all part of the same home. The inverter shows one part, the charger shows another, and the tariff sits somewhere else. 1app.energy brings the supported parts into one operating view so the customer can understand the day without piecing it together manually.
What is the Solis inverter doing right now?
Is the EV charging changing the battery plan?
Is the home importing, exporting or using stored energy?
Is the tariff window being used without another manual check?
What's actually installed at Mike's house.
Each piece of hardware shows up in the same operating view. The point is not replacing the Solis, Fogstar, Zappi or tariff apps; it is giving Mike one customer-readable place to understand how they interact.
15 kW Solis inverter
A large-format Solis inverter sits at the centre of Mike's three-phase setup. 1app.energy puts the battery, grid, EV and tariff context around it.
Four Fogstar batteries
Four Fogstar batteries give the home serious storage capacity. The dashboard shows battery state and charging behaviour alongside the rest of the home.
Three-phase MyEnergi Zappi
The Zappi is part of the same picture as the battery, tariff and grid. Mike can see EV demand without treating the charger as a separate story.
Octopus Intelligent Go
The dashboard shows Intelligent Go tariff context and daily cost, so off-peak charging is visible rather than hidden in another account or app.
If your setup looks like Mike's, the value is control without constant checking.
Mike's setup is larger than average, but the problem is familiar: once the inverter, battery, EV charger and tariff all matter, the homeowner needs one trusted view of the home. 1app.energy helps provide that view and, where enabled, makes tariff-aware decisions in the background.
The whole setup in one place
Mike can read battery state, EV demand, grid import/export, home load, tariff and daily cost from one customer dashboard.
Tariff-aware control where enabled
The automation is tied to the tariff and battery level rather than another fixed manual routine. Mike called this the best part of the app.
Clear enough for daily use
The setup is complex, but the customer view is not. Mike described the app as clear, reliable and well designed.
Built around installed hardware
The Solis inverter, Fogstar batteries and Zappi stay in place. 1app.energy adds the connected software layer around supported devices.
Honest note:automation depends on supported devices, verified tariff data and the settings you turn on. Mike's story shows one real setup. Your exact features will depend on the hardware in your home and the signup compatibility check.
Less manual checking. A clearer way to run a complex setup with a Solis inverter.
- Battery, EV, grid, home load, tariff and daily cost in one view
- Less app-hopping to understand a large three-phase setup
- Clearer off-peak import and EV charging context
- Tariff-aware battery charging/export behaviour where supported and enabled
Check whether 1app.energy can connect your inverter, battery, EV charger and tariff.
Single-phase or three-phase, tell us what you have installed and we will review the supported devices, tariff context and automation options for your home.