SAJ eSolar Sensor Component

This is a Custom Component for Home-Assistant (https://home-assistant.io) reads and displays sensor values from the SAJ eSolar Portal private API.

NOTE: This component is built upon a none public API and can change/break at any time.
Please go to the Supported devides part to see if your device is supported

👩‍💻 Python & REST API Enthusiasts for HA SAJ Solar!👨‍💻

Do you use the SAJ solar monitoring project and have knowledge of Python scripting and REST APIs?

If so, we need YOU!

I created this repository for a family member but made it publicly available as I saw a wider need. Newer SAJ dongles lack local connections, making this project valuable for others. However, demand has grown, and a major change is coming with SAJ's new website i can't deal with those changes on my own.

Challenges & Opportunities

• Potential API breakage: The old API will likely be discontinued with the new platform. Some retailers have already seen changes.
• Configuration complexity: Manual configuration through configuration.yaml isn't ideal.

This is where your expertise comes in!

We're looking for a co-author to help maintain and improve the project, particularly with the upcoming website changes. If you have Python scripting and REST API experience, we'd love to hear from you!

Join the Effort!

• Check out this project for inspiration: https://github.com/faanskit/ha-esolar (by @faanskit, who made fantastic contributions!)
• Create pull request to help the project
• Reach out: Email me at github@djansen.nl if you're interested in collaborating.

Together, let's make this project even better!

Installation

HACS - Recommended

• Have HACS installed, this will allow you to easily manage and track updates.
• Search for 'SAJ eSolar'.
• Click Install below the found integration.
• Configure using the configuration instructions below.
• Restart Home-Assistant.

Manual

• Copy directory custom_components/saj_esolar to your <config dir>/custom_components directory.
• Configure with config below.
• Restart Home-Assistant.

Note when updating from v1.0.0.4

- resources are renamed in de configuration, replace old ones. applies when updating v1.0.0.4 -> 1.0.0.5

Usage

To use this component in your installation, add the following to your configuration.yaml file:

# Example configuration.yaml entry

sensor:
  - platform: saj_esolar
    username: aa@bb.cc
    password: abcd1234
    plant_id: 0 # Default is 0. Typically ordered in the same way as they are listed in the eSolar app
    resources:
      - nowPower
      - runningState
      - todayElectricity
      - monthElectricity
      - yearElectricity
      - totalElectricity # Energy -> Solar production
      - todayGridIncome
      - income
      - lastUploadTime
      - totalPlantTreeNum
      - totalReduceCo2
      - status
      - plantuid
      - currency
      - address
      - isOnline
      - peakPower
      - systemPower # Installed capacity

If you have a H1 device, add below Sensors and Resouces:

  - platform: saj_esolar
    username: aa@bb.cc
    password: abcd1234
    plant_id: 0 # Default is 0. Typically ordered in the same way as they are listed in the eSolar app
    sensors: h1
    resources:
      - nowPower
      - runningState
      - todayElectricity
      - monthElectricity
      - yearElectricity
      - totalElectricity # Energy -> Solar production
      - lastUploadTime
      - totalPlantTreeNum
      - totalReduceCo2
      - status
      - plantuid
      - currency
      - address
      - isOnline
      - devOnlineNum
      - selfUseRate
      - totalBuyElec # Energy -> Grid consumption
      - totalConsumpElec
      - totalSellElec # Energy -> Return to grid
      - chargeElec # Energy -> Home Battery Storage -> Energy going in to the battery (kWh)
      - dischargeElec # Energy -> Home Battery Storage -> Energy coming out of the battery (kWh)

      - pvElec
      - useElec
      - buyElec
      - sellElec
      - buyRate
      - sellRate
      - selfConsumedRate1
      - selfConsumedRate2
      - selfConsumedEnergy1
      - selfConsumedEnergy2
      - batCapcity
      - batCurr
      - batEnergyPercent
      - batteryDirection
      - batteryPower
      - gridDirection
      - gridPower
      - h1Online
      - outPower
      - outPutDirection
      - pvDirection
      - pvPower
      - solarPower
      - totalLoadPower

If you have a Saj Sec Module Add below sensor an resources:

  - platform: saj_esolar
    username: aa@bb.cc
    password: abcd1234
    plant_id: 0 # Default is 0. Typically ordered in the same way as they are listed in the eSolar app
    sensors: saj_sec # Optional will only work with SAJ Sec Module
    resources:
      - nowPower
      - runningState
      - todayElectricity
      - monthElectricity
      - yearElectricity
      - totalElectricity # Energy -> Solar production
      - todayGridIncome
      - income
      - lastUploadTime
      - totalPlantTreeNum
      - totalReduceCo2
      - status
      - plantuid
      - currency
      - address
      - isOnline
      - peakPower

      - pvElec
      - useElec
      - buyElec
      - sellElec
      - buyRate
      - sellRate
      - selfConsumedRate1
      - selfConsumedRate2
      - selfConsumedEnergy1
      - selfConsumedEnergy2
      - plantTreeNum
      - reduceCo2
      - totalPvEnergy
      - totalLoadEnergy # Energy -> Grid consumption
      - totalBuyEnergy
      - totalSellEnergy # Energy -> Return to grid
      #these entities are deprecated since they return incorrect values
      - totalGridPower  # Power being exported to the grid
      - totalLoadPower  # Solar power being currently self-consumed 
      - totalPvgenPower # Power imported from the grid
      #these new entities replace them
      - gridLoadPower   # Power imported from the grid
      - solarLoadPower  # Solar power being currently self-consumed 
      - homeLoadPower   # Total power being consumed by the plant (the home)
      - exportPower     # Power being exported to the grid

If you are a user of Solarprofit / Greenheiss
note that there is an certification issue for the greenheiss portal which is currently not accepted by Home Assistant to fix this use the provider_ssl: False

Add below code to you

    provider_domain: inverters.resellerdomain.ext
    provider_path: cloud

for example for greenheissen:

  - platform: saj_esolar #greenheissen
    username: USERNAME
    password: Password123
    provider_domain: inversores-style.greenheiss.com
    provider_path: cloud
    provider_ssl: False
    resources:
      - nowPower
      - runningState
      - todayElectricity
      - monthElectricity
      - yearElectricity
      - totalElectricity # Energy -> Solar production
      - todayGridIncome
      - income
      - lastUploadTime
      - totalPlantTreeNum
      - totalReduceCo2
      - isAlarm # Yes / No
      - status
      - plantuid
      - currency
      - address
      - isOnline
      - peakPower
      - systemPower # Installed capacity

**Configuration variables:**

• username (Required): E-mail address used on the eSolar Portal.
• password (Required): Password used on the eSolar Portal, we advise you to save it in your secret.yaml.
• resources (Required): This section tells the component which values to display.
• sensors (Optional): saj_sec / h1 # Optional will only work with SAJ Sec Module
• provider_domain (Optional): inverter.reseller.ext # the url of the reseller ex: inversores-style.greenheiss.com
• provider_path (Optional): cloud # suffix behide domain
• provider_ssl (Optional): False # to bypass ssl certficate verification (not advised but needed for greenheiss.com)

Devices

Supported Devices:

solar Inverter:

R5 -0.7-3K-S1

R5-3~8K-S2

R5-3-20K-T2

Sununo plus 4K-M-RD

eSolar Modules:

eSolar SEC-module

eSolar WiFi- D

eSolar 4G

AOI3

Storage Solar Inverter

H1-3~6K-S2

AS1-3KS-5.1 (use h1 sensors)

Greenheiss

GH-I 2M STYLE

Not Supported Devices: (create github discussion to request)

Commercial Solar Inverter

Suntrio Plus 25-60K

Storage Solar Inverter

B1-5.1-48 (not tested)

Screenshot

Debugging

Add the relevant lines below to the configuration.yaml:

logger:
  default: info
  logs:
    custom_components.saj_esolar: debug

Credits

Credits to @cyberjunky. I got inspired by his source code which helped me a lot to creating this Custom Component. https://github.com/cyberjunky/home-assistant-toon_smartmeter/

Donation

Buy me a coffee:

PayPal: