The GivEnergy portal keeps a log of API write events — every time a setting is changed and by what source. We can review this audit trail remotely and identify exactly what is overriding your configuration.
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The timing and pattern of when settings revert narrows down the cause significantly. Before diving into each cause, use this to focus your investigation.
An active API connection is overriding your settings in near real-time. The most common cause is a smart tariff integration (Octopus Intelligent, Agile, Flux) that currently has control, or a GivBack demand response event in progress. Start with Smart Tariff API.
A scheduled automation is running at a set time and writing settings to the inverter. Check for GivTCP or Home Assistant automations that run at a fixed time, or check the GivBack programme schedule for planned demand response events.
The firmware update reset your settings to defaults. This is a known GivEnergy behaviour. See Firmware Reset for which settings are affected and how to prevent it recurring.
The portal or app is showing settings as locked or uneditable. This is a Smart Tariff Lockout — the energy provider has exclusive write access to certain settings. See our dedicated Smart Tariff Lockout guide.
Smart tariffs like Octopus Intelligent, Agile, and Flux work by giving the energy provider API access to compatible devices — including GivEnergy inverters. When you signed up for one of these tariffs and connected your GivEnergy account, you authorised the provider to read and write your inverter settings automatically.
The most common cause. Octopus Intelligent dispatches charge sessions during off-peak periods and may override your charge window times and system mode. The system is designed to optimise overnight charging — but it actively pushes settings to the inverter, which means your manual settings are overwritten whenever Octopus runs a dispatch.
Flux uses a three-period day (cheap, expensive, export) and sets charge and discharge windows to align with the price periods. If connected, Flux overrides your manual schedules to manage battery charge and discharge in line with its pricing model.
Agile integration is less aggressive than Intelligent but can still set charge windows during cheap rate periods. The degree of control depends on whether you opted in to smart charging features within the Octopus app.
Navigate to: givenergy.cloud/inverter/YOUR-SERIAL/remote-control — replace YOUR-SERIAL with your inverter's serial number (printed on the unit or in your installation docs). Alternatively: My Inverters → click the cog icon next to your inverter.
The Control Logs table shows every settings change. The VIA column tells you how each change was made: API = an external third-party integration (tariff provider, GivTCP, Home Assistant). SERVER = a GivEnergy platform automation (Smart Tariff card). Adjust the date range to show the period when changes occurred.
Go to givenergy.cloud → Account Security → Connected Services. Each entry shows the API token and provider name. Remove any tokens you no longer want. Note: if the integration is linked to a smart tariff with a lockout, you must contact the provider first before removing the token — see our smart tariff lockout guide for the correct process.
GivBack is GivEnergy's demand flexibility service. Enrolled systems receive payments in exchange for GivEnergy being able to temporarily adjust battery charge and discharge during grid demand response events. If your system is enrolled — which your installer may have done at commissioning — GivEnergy will override your settings during events.
GivTCP, Home Assistant with the GivEnergy integration, and similar tools communicate with your inverter via the GivEnergy API. If any of these tools have automations that write settings on a schedule, they will overwrite manual changes made through the portal or app. This is a common issue for homeowners who set up smart home integrations and then try to manage settings manually.
A popular open-source local interface to GivEnergy inverters. GivTCP can both read and write inverter settings. If configured with write automations (e.g., to set charge windows based on Agile pricing), it will push those settings on its schedule — overriding anything you set manually in the portal.
Home Assistant's GivEnergy integration, combined with automation scripts, can write charge/discharge settings based on time, price, or consumption patterns. If an automation is configured to set a specific system mode at a certain time, it will do so regardless of what you set manually.
Some installers set up remote management access to your GivEnergy system for ongoing support. If the installer's monitoring platform has write access, they — or their automated systems — can modify settings. This is common on newer installations where the installer retains portal access.
The GivEnergy portal event log records all API write events — including which API key made the change. Go to givenergy.cloud → My Inverter → Event Log. If settings changes are logged at regular intervals (e.g., every night at 23:00) from an API key you do not recognise, a third-party integration is responsible.
GivEnergy inverters receive over-the-air firmware updates that can run automatically. Some firmware versions reset certain settings to default values — a well-documented pattern that catches GivEnergy owners off guard. The fix is straightforward: re-enter your settings after any update.
Settings greyed out or inaccessible — how to identify and remove energy provider control.
Full guide to GivEnergy schedule types, the midnight rule, and common configuration mistakes.
What to do when a firmware update breaks behaviour or resets settings.
All GivEnergy fault guides, configuration pages, and services.
This is a brand-specific version of our general battery not charging guide, which covers all brands.
The GivEnergy portal event log records every settings change and its source. We can review this audit trail remotely and identify exactly which service or integration is overriding your configuration — then advise on the best way to resolve it without losing tariff benefits.
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 £75 if we fix it, free if we don’t.
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