Latest Firmware Versions:
CSS-OD 102: vCR2.2W
CSS-OD 107: vCR2.2_BU_I
CSS-OD 197: vCR2.2197_I
CSS-OD 197: vCR2.2_BU_I
ONE Controller for C&I: 1.8.6
Release Date: October 2026
This release bundles the following firmware versions for the CSS-OD and ONE Controller for C&I products:
- CSS-OD 102: vCR2.2W with ONE Controller 1.8.6
- CSS-OD 107: vCR2.2_BU_I with ONE Controller 1.8.6
- CSS-OD 197 / PCS GEN 1: vCR2.2197_I with ONE Controller 1.8.6
- CSS-OD 197 / PCS GEN 2: vCR2.2_BU_I with ONE Controller 1.8.6 - for Austria only
The CSS-OD firmware upgrade will be performed remotely in coordination with SolarEdge Support teams.
Note: Not every CSS-OD model is available in all countries. Contact your local SolarEdge salesperson for more information on CSS-OD battery availability.
New Features and Enhancements
EMS Conditional Strategies
Allows the EMS to use Conditional Strategies (for Storage state of charge, and Meter power inputs) configured by the user through SolarEdge Go.
Previous Firmware Releases
Firmware Version:
CSS-OD 197 CR2.2197I
Release Date: September 2026
This release bundles the following firmware versions for the CSS-OD 197 and ONE Controller for C&I products:
- CSS-OD 197: CR2.2197I with ONE Controller 1.7.9. This is the official software version release, replacing the previously approved CR2.2197C / ONE Controller 1.6.23.
The CSS-OD firmware upgrade will be performed remotely in coordination with SolarEdge Support teams.
Note: Not every CSS-OD model is available in all countries. Contact your local SolarEdge salesperson for more information on CSS-OD battery availability.
New Features and Enhancements
Firefighter Gateway (FFG) Battery Shutdown
- Enhanced FFG shutdown functionality: CSS-OD internal PCS relays are now automatically disconnected when the site enters FFG shutdown mode
- Provides both manual and automatic shutdown capabilities, with clear visual confirmation of system status
Remote Firmware Update
Remote Firmware Upgrade capability is now supported for CSS-OD 107, CSS-OD 197, and CSS-OD 102 systems.
Firmware Versions:
SolarEdge CSS-OD 107 vCR2.2_BU_E
SolarEdge CSS-OD 102 vCR2.2V
SolarEdge ONE Controller for C&I v1.7.9
Release Date: July 2026
This release bundles the following firmware versions for the CSS-OD and ONE Controller for C&I products:
- CSS-OD 107: vCR2.2_BU_E with ONE Controller 1.7.9. This is the official software version release for CSS-OD 107 systems with 50/30 kW battery inverters operating in On-Grid mode
- CSS-OD 102: vCR2.2V with ONE Controller 1.7.9.
The CSS-OD firmware upgrade will be performed remotely in coordination with SolarEdge Support teams.
Note: Not every CSS-OD model is available in all countries. Contact your local SolarEdge salesperson for more information on CSS-OD battery availability.
New Features and Enhancements
Firefighter Gateway (FFG) Shutdown
- Enhanced FFG shutdown functionality: CSS-OD internal PCS relays are now automatically disconnected when the site enters FFG shutdown mode
- Provides both manual and automatic shutdown capabilities, with clear visual confirmation of system status
Remote Firmware Update
Remote Firmware Upgrade capability is now supported for CSS-OD 107 and CSS-OD 102 systems.
Firmware Versions:
SolarEdge CSS-OD CR2.2S & CR197C
SolarEdge ONE Controller for C&I v1.6.23
Release Date: May 2026
This release bundles the following firmware versions for the CSS-OD and ONE Controller for C&I products:
- CSS-OD 102: vCR2.2S with ONE Controller v1.6.23
- CSS-OD 197: vCR197C with ONE Controller v1.6.23
Several new features are included in this release, designed to improve battery commissioning, performance and functionality.
New Features and Enhancements
CSS-OD:
- CSS-OD batteries now support Modbus protocol, meeting national regulations in several countries, primarily in Italy
- Mixed CSS-OD deployments are now supported, enabling installation of both CSS-OD 102 and CSS-OD 197 systems within the same site
ONE Controller for C&I:
All CSS-OD models are now supported by the ONE Controller i.e. CSS-OD 90, 102, 107 and 197.
Note: Not every CSS-OD model is available in all countries. Contact your local SolarEdge salesperson for more information on CSS-OD battery availability.
Firmware Versions:
SolarEdge CSS-OD vCR2.2Q
ONE Controller for C&I v1.5.1-2
Release Date: December 2025
This release bundles firmware versions for the CSS-OD 102.4 (On Grid) configuration and ONE Controller for C&I, and contains several new features for improved battery commissioning, performance and functionality.
New Features and Enhancements
SolarEdge CSS-OD vCR2.2Q (On grid)
| Feature name | Feature Description | Region |
|---|---|---|
Grid Code Parameters
| All SolarEdge CSS-OD supported countries are now configured with the correct grid code parameters by default. This ensures compliance with local regulations and improves system stability and performance across different regions. | All
|
| Remote Software Upgrade Capability | After initial CSS-OD installation, the CSS-OD software can now be upgraded remotely. This enhancement reduces the need for on-site visits, saving time and operational costs while enabling faster deployment of new features and updates. | All |
ONE Controller for C&I v1.5.1-2 (features related to CSS-OD on-grid functionality only)
| Feature name | Feature Description | Region |
|---|---|---|
| Enhanced EMS functionality |
| All
|
| CSS-OD commissioning enabled via SolarEdge Go |
| All |
| Improved data handling for large CSS-OD sites | The CSS-OD system now processes and manages data more efficiently, enabling accurate monitoring and reporting for large-scale installations without performance degradation. | All |
Upgrades will be carried out gradually, either remotely or on-site as needed, with scheduling to ensure a smooth transition.