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Merged
merged 14 commits into from
Apr 30, 2025
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Add Rehlko (formerly Kohler Energy Management) integration #38782

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feat: add kohler energy management
PeteRager Apr 28, 2025
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Merge branch 'next' into kems
c0ffeeca7 Apr 28, 2025
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rename, because they had to rebrand in the middle of changing everything
bdraco Apr 30, 2025
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Update source/_integrations/rehlko.markdown
bdraco Apr 30, 2025
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bdraco Apr 30, 2025
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bdraco Apr 30, 2025
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Update rehlko.markdown
bdraco Apr 30, 2025
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Merge branch 'next' into kems
bdraco Apr 30, 2025
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Apply suggestions from code review
bdraco Apr 30, 2025
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Update rehlko.markdown
bdraco Apr 30, 2025
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bdraco Apr 30, 2025
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54 changes: 54 additions & 0 deletions source/_integrations/rehlko.markdown
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---
title: Rehlko
description: Support for Rehlko devices (formerly Oncue and Kohler Energy)
ha_category:
- Sensor
ha_iot_class: Cloud Polling
ha_release: 2025.5
ha_config_flow: true
ha_codeowners:
- '@bdraco'
- '@peterager'
ha_dhcp: true
ha_domain: rehlko
ha_platforms:
- sensor
ha_integration_type: integration
---

The **Rehlko** (formerly Kohler Energy Management) {% term integration %} allows you to monitor the status of your [enabled Kohler generator](https://www.kohlerhomeenergy.rehlko.com/kohler-energy-management-app) through Home Assistant. This integration replaces the legacy Oncue integration.

{% include integrations/config_flow.md %}

## Required manual input

To configure a Rehlko (Kohler Energy Management) account, enter the following information:

{% configuration_basic %}

email:
description: "The email used to log in to the Rehlko (Kohler Energy Management) application."
password:
description: "The password used to log in to the Rehlko (Kohler Energy Management) application."

{% endconfiguration_basic %}

## Sensor availability

The sensors exposed by this integration depend on the specific instrumentation installed on your generator and transfer switch. Sensor availability can vary significantly—even between units of the same model.

## Tested generators

These are the generator models that have been tested:

- [38RCLB](https://resources.kohler.com/power/kohler/residential/pdf/tp6908.pdf)
- [20RESA](https://resources.kohler.com/power/kohler/residential/pdf/tp6804.pdf)
- [20RCA](https://www.kohlerhomeenergy.rehlko.com/products/home+generators/20rca)
- [14RESA](https://www.kohler.com/content/dam/kohler-com-NA/Lifestyle/PDF/PDF-tp6803.pdf)

## Removing the integration

This integration follows the standard integration removal process; no extra steps are required.

{% include integrations/remove_device_service.md %}