Version 1.1 Feb 2024

Set Battery Mode Control with mySolarEdge —Application Note

This topic describes the different battery modes, their benefits, and how to set them in themySolarEdge mobile application.

Revision history

Version 1.1, Feb 2024: Added Manual Mode and Time of Use Mode - Utility Rate Plan Option
Version 1.0, June 2023: Initial Release

Overview

SolarEdge PV systems can operate in four battery modes. Each mode prioritizes different aspects —solar power use, cost efficiency, personalization, and backup energy supply. You must be a Site
Owner to set the battery mode. Your installer can make you a Site Owner in the Monitoring
platform. This gives you the ability to determine the behavior of the system’s battery.
NOTE

Individual battery modes are:• Dependent on availability in your country, and in compliance with local
regulatory requirements• Displayed in mySolarEdge, if available
If a mode is not available in your region, contact your local SolarEdge representative
The ability to charge the battery from the grid depends on the system’s configurationand its compliance with regional regulations
The PV system charges the battery except:••Requirements

During Weather Guard events in the United States
Following Backup Reserve percentage changes

External import/export meter that is not supplied with the inverter
Single inverter sites (relevant for Time of Use and Manual Control mode only)
The home must not be registered under battery incentive programs with your local
utility/retailer

Battery modes

You can choose from the following modes of battery operation:
Maximize Self Consumption
Time of Use
Manual Control
Backup Only

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Maximize Self-Consumption

Maximize Self Consumption mode uses all available solar energy to power your home and charge
the battery. This mode prioritizes available solar power and energy stored in the battery overimported electricity from the grid. When there is enough power for self-consumption, your homedoes not import energy from the grid, even when prices are low. Power is only exported to the gridwhen there is an excess of power available for all household loads and battery charging.

Set Maximize Self Consumption mode

You can set the mode to maximize the use of solar power for self-consumption and battery
charging.
To set Maximize Self Consumption:

1. Open mySolarEdge app and tap the Battery icon on the bottom pane.
2. Go to Battery Mode > Battery Mode panel and tap Maximize Self Consumption.
3. Tap Maximize Self Consumption card.

Time of UseTime of Use mode optimizes the PV system to provide solar or stored energy when import rates arehigh — avoiding costly grid consumption. The algorithm in this mode calculates when and how
much energy the battery is required to meet your consumption needs. The algorithm learns how
you consume energy and uses it to predict your future consumption. This optimizes energy sources
and reduces electricity bills. If the actual battery use differs from the predicted use, the battery ischarged or discharged accordingly.
When the battery is depleted and solar energy doesn’t meet your consumption needs, your home
imports from the grid. The battery only charges from the grid when there is no solar power
available, only during off-peak hours, and if permitted.
NOTE
The battery only charges from the grid at the last possible moment during off-peak hours
to reduce unnecessary grid import to the battery.

When there is a surplus of power during off-peak hours, the battery powers household loads whileconserving enough energy to power loads during peak hours. The battery only exports to the gridwhen there is excess power available for all household loads and battery charging.
Time of Use is cost-effective for homes experiencing varying grid consumption rates. This mode
maintains household consumption needs, minimizes power losses, and avoids costly gridconsumption.

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Set Time of Use

You have the option to configure Time of Use according to the Utility Rate Plan (select the provider)or Peak Rate Hour Settings (set the hours to import).
To set the Utility Rate Plan:

1. From the Battery page go to Battery Mode tab > Time of Use and tap Edit Settings.
2. Go to Utility Rate Plan > Edit Utility Rate Settings > Utility Provider and tap the requiredprovider.
3. Tap Rate Plan and tap the required plan.
NOTE

If you do not know your rate plan, tap Where can I find my plan?
You can also access Utility Rates from Settings > Utility Rates

4. To select a separate plan for import and export rates, repeat steps 2 and 3.
5. Tap Save.
You can view your site’s plan under Settings > Utility Rates.
To configure Peak Rate Hour:

1. From Battery page go to Battery Mode tab > Time of Use > Peak Rate Hour Settings > Edit
Settings and tap +Add Peak Hour Range.
2. Set Start and End times for Peak Hours.
3. (Optional) Set Days and Months for Peak Rate.
4. Tap Save.
You can view the Peak Hour Settings for your site. Each site can have up to ten Peak Hourranges.
NOTE

To enable Time of Use mode using Peak Hour Setting, you must have at least one Peak
Hour range.

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Manual Control

Manual Control mode allows you to set specific times for battery charging and discharging.

Configure Manual Control
To set battery charging:
1.
2.
3.
4.

Go to Battery Mode > Manual Control > Edit Settings and tap + Add Charging Schedule.
Set Start and End times to charge the battery.
(Optional) In Repeat, set Days or Months for a repeat charging interval.
Tap Save.

1.
2.
3.
4.

Go to Battery Mode > Manual Control > Edit Settings and tap + Add Discharging Schedule.
Set Start and End times to discharge the battery.
(Optional) In Repeat, select Days or Months for a repeat discharging interval.
Tap Save.

To set battery discharging:To save Manual Control Settings:

Go to Manual Control Settings and tap Save.
NOTE

Do not overlap charging and discharging times
You can set up to three charging and discharging schedules

Backup Only

Backup Only mode keeps the battery fully charged. When a backup event occurs, the battery
provides power for household loads. After power is restored to the grid, the battery is recharged to100%.
NOTEThe Backup Only mode is available only for Backup sites.

Revert to installer’s settings:

You can change the mode back to the installer’s settings in the mySolarEdge app. This gives theinstaller permission to change the battery mode in the Monitoring platform.
To revert to installer’s settings:

1. From Battery Mode, tap Revert to Latest Installer Settings.
2. Tap Revert.

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