I work for a Solar Company and had a customer with a GivEnergy system that we are not versed in. Ron took the time to explain the issues my customer was having and between us managed to rectify the issues. 10 Stars ... Thanks again STS
GivEnergy Energy Management System — Complete Configuration Guide
- Timed charge, discharge & export explained
- The midnight crossing rule
- Target SOC and multi-inverter setups
If your charge schedule isn't applying, the battery isn't discharging when expected, or your system keeps reverting to the wrong mode, we diagnose EMS configuration issues remotely — identifying schedule conflicts, timezone errors, and API overrides.
Book your free remote diagnosticSettings changing themselves?Not affiliated with GivEnergy Ltd. Independent diagnosis and support.
Contacted Ron with a problem and he sorted it out quickly with no problems at all. Very knowledgeable on anything solar/ batteries. I would recommend him to anyone
Solar Tech Support is an absolute lifesaver. My solar and battery system stopped working completely, but after one quick phone call, they fixed the problem straight away. The original provider, GivEnergy, has gone into administration, leaving me entirely without support from the original installers. It was a terrible situation on GivEnergy’s part, but thankfully, Solar Tech Support came to the rescue!
After recently changing my fuse board the ct clamp broke, this meant my inverter was not communicating properly with my GivEnergy system. After several people letting me down, finally got put in touch with Ron. He came out within 24hours & resolved the fault within an hour, no fuse just got on with it. Work was tidy & arrived when he said he would. Ron followed up a few days later to confirm all was still good, great service from all involved.
We moved from BT to Vodafone recently. Unfortunately our GivEnergy AIO would no longer appear on the App. Additionally our GivEnergy EV charger stopped working. Vodafone insisted that their dual 2.4ghz and 5ghz compatibility mode would work with the 2.4ghz system. Unfortunately it doesn't. After nearly two weeks of trying to sort this, which also involved searching on various chat forums, I sent an email for help to STS. Within a very short time the same day I got a call from Ash, who is only 45 minutes away from us. He came and quickly got the AIO appearing on the app, so we could once again see the state of the battery. The EV charger presented more of a challenge as the QR code fixed on the side of the charger had worn away. Ash was able to find the necessary information to restore the EV charger to working order. I have a copy of the QR code and other information should we have an issue another time. I had bought a TP-Link TL-WA850RE that just works on 2.4ghz and this is linked permanently to the GivEnergy kit. STS are definitely the people to contact if you find yourself in a similar situation. We are very happy with the service STS provided.
Ron want out of is way to help, nothing was to much. He was very thorough in what he did Very knowledgeable I would highly recommend Ron and his company He did a fantastic job for me. if you have any problems, he'll do his best to help you out and resolve your problem. I wouldn't hesitate to recommend them
What is the GivEnergy EMS?
The Energy Management System is the intelligence layer inside your GivEnergy inverter. It continuously monitors four data streams and uses them to decide what to do with every watt of power in your home.
Live output from your panels. The EMS prioritises using this locally before charging the battery or exporting.
Measured by CT clamps on the grid supply. The EMS uses this to detect whether you're importing or exporting and at what rate.
Real-time SOC from the BMS. The EMS uses this to apply target SOC limits during charge and discharge operations.
Calculated from generation and grid data. Used to ensure the battery response matches actual demand rather than over or under-supplying.
Your schedule tells the EMS when to run Timed Charge, Timed Discharge, or Timed Export. On a single inverter, Eco mode stays on alongside a Timed Charge slot, so outside it the system goes back to Eco, using solar first and only drawing from the grid when needed. On a GivEnergy EMS system (two or three AC 3.0 inverters), Eco stays off on the inverters and the EMS runs the slots.
How to access EMS settings
The portal provides the most complete view of all EMS options.
The app exposes the main scheduling options — sufficient for most users. If you have a GivEnergy EMS, use givenergy.cloud instead (see below).
Have a GivEnergy EMS running two or three AC 3.0 inverters?
A GivEnergy EMS runs two or three GivEnergy AC 3.0 inverters as one system, telling each one when to charge, discharge and export. The EMS works with AC 3.0 inverters only. On givenergy.cloud it has its own row under My Inverters, with a serial beginning EMS and the model Plant EMS. If your system has one:
Setting up Timed Charge
Timed Charge instructs the battery to charge from the grid during your defined slot, regardless of solar availability. This is how you take advantage of cheap overnight electricity rates. On a single inverter, leave Eco mode on alongside it: outside the slot, the system goes back to Eco, charging from surplus solar and meeting the home's demand. On a GivEnergy EMS system (two or three AC 3.0 inverters), Eco stays off on the inverters and the EMS runs the slots.
Configuration
Key rules
Setting up Timed Discharge
Timed Discharge controls when the battery supplies energy to your home. During the window the battery reacts to load, covering the home's demand and displacing expensive peak-rate grid import. The target SOC sets the minimum the battery will discharge to before stopping.
Configuration
Important behaviour
Between 05:00–16:00 the battery retains 60% reserve — enough to power evening peak from battery rather than grid.
Setting up Timed Export
During a Timed Export window the battery discharges at full power, or at the power you set, depending on the inverter generation. That output covers the house load first, and the excess goes to the grid, so use it in high-value export windows. It overrides Timed Discharge and requires manual reset once the target is reached. Keep Timed Export windows clear of your Timed Charge windows: do not let the two overlap.
Timed Export does not automatically resume discharge
Once the battery reaches the Timed Export target SOC, the system stops exporting but does not automatically begin Timed Discharge. The battery will sit at whatever SOC it's at. You must either manually reset the export slot, or sequence a Timed Discharge slot immediately after the export window in your daily schedule. This is the most commonly misunderstood EMS behaviour.
The midnight rule
GivEnergy slots — charge, discharge, or export — must sit entirely within a single 24-hour period. No slot can span midnight. This is a firmware constraint, not a portal bug. It applies in both the app and the portal.
This is the most common reason batteries don't charge overnight
If someone set up your system and the overnight charging has "never quite worked," the midnight rule is usually why. Slots look fine in the interface but simply don't function when they cross 00:00. The fix is straightforward — split the slot at midnight. Check your current schedules and look for any that run from late evening through to early morning.
EMS best practice tips
For tariff selection and how to match your cheap window to the most financially beneficial schedule, see the tariff optimisation guide. For CT clamp issues causing the EMS to misread grid import/export, see the CT clamp direction guide.
GivEnergy EMS — common questions
EMS schedule not doing what it should?
We review GivEnergy EMS configuration remotely — checking schedules, API integrations, timezone, CT direction, and firmware to find the exact cause and get your system behaving as expected.
- Independent — not affiliated with GivEnergy Ltd
- Full EMS and schedule audit
- Remote diagnosis, usually same day
GivEnergy problems? Remote fixes: no fix, no fee.
I’ve worked on hundreds of GivEnergy systems and know the kit inside out. If yours is playing up, my promise is simple — no fix, no fee: just £125 if we fix it, free if we don’t.
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