This app will automatically update your cost for charge sessions in TeslaMate within a specified geofence (usually home) using data from your smart electricity tariff.
Supported energy providers / tarriffs:
- Octopus Energy: Agile Octopus
- Tibber
- Fixed Price (manually specify prices for different times of the day)
- aWATTar
- Energinet
- Home Assistant
You can either use it in a Docker container or go to the releases and download the zip of the latest one and run it on the command line using ./TeslaMateAgile.
Alternatively, if you are using Home Assistant OS (or supervised) @tougher has wrapped this project in a Home Assistant Addon: tougher/hassio-addon-TeslaMateAgile.
If you have used the TeslaMate Docker install guide you can simply add this section to the services: section of the docker-compose.yml file and change the variables as required:
services:
teslamateagile:
image: mattjeanes/teslamateagile:latest
restart: always
environment:
- DATABASE_USER=teslamate
- DATABASE_PASS=secret
- DATABASE_NAME=teslamate
- DATABASE_HOST=database
- TeslaMate__UpdateIntervalSeconds=300
- TeslaMate__GeofenceId=1
- TeslaMate__EnergyProvider=Octopus
- Octopus__RegionCode=A # Octopus Energy only
- Tibber__AccessToken=abc123 # Tibber onlySee below for how to configure the environment variables appropriately
- TeslaMate__UpdateIntervalSeconds=3600 # Scan interval for finished charges, should not exceed lookback days if set
- TeslaMate__GeofenceId=1 # You can get this by editing the Geofence inside TeslaMate and getting it from the url - TeslaMate__EnergyProvider=Octopus
- Octopus__RegionCode=A # See below Octopus Region Code section- TeslaMate__EnergyProvider=Tibber
- Tibber__AccessToken=abc123 # See below Tibber Access Token section
- Tibber__HomeId=c0693acc-567d-49d4-87d9-71a66d10f5c7 # Optional: See below Tibber Multiple Homes section- TeslaMate__EnergyProvider=FixedPrice
- FixedPrice__TimeZone=Europe/London # IANA (tz database) time zone code, used for below times
- FixedPrice__Prices__0=08:00-13:00=0.1559 # Cost is in your currency e.g. pounds, euros, dollars (not pennies, cents, etc)
- FixedPrice__Prices__1=13:00-20:00=0.05 # You can have as many as these as you need
- FixedPrice__Prices__2=20:00-03:30=0.04
- FixedPrice__Prices__3=03:30-06:00=0.035
- FixedPrice__Prices__4=06:00-08:00=0.02- TeslaMate__EnergyProvider=Awattar
- Awattar__VATMultiplier=1.00 # Optional (default: 1.19), you should not need to set this unless your VAT differs from the default- TeslaMate__EnergyProvider=Energinet
- Energinet__Region=YYYYY # See below Energinet regions section
- Energinet__Currency=DKK # See below Energinet currencies section
- Energinet__VAT=1.25 # Optional: VAT multiplier. In this example 25%
- Energinet__FixedPrices__TimeZone=Europe/Copenhagen # Optional: IANA (tz database) time zone code, used for below times
- Energinet__FixedPrices__Prices__0=00:00-17:00=0.1432 # Optional: You can have as many as these as you need
- Energinet__FixedPrices__Prices__1=17:00-20:00=0.3983
- Energinet__FixedPrices__Prices__2=20:00-00:00=0.1432- TeslaMate__EnergyProvider=HomeAssistant
- TeslaMate__LookbackDays=7 # Optional: Highly recommended, see below Optional environment variables section
- HomeAssistant__BaseUrl=http://homeassistant.local:8123 # URL to your Home Assistant instance
- HomeAssistant__AccessToken=abc123 # Long-lived access token for Home Assistant
- HomeAssistant__EntityId=input_number.energy_price # ID of the number-based entity containing price data in Home Assistant (Cost is in your currency e.g. pounds, euros, dollars (not pennies, cents, etc))- Logging__LogLevel__Default=Debug # Enables debug logging, useful for seeing exactly how a charge was calculated
- Logging__Console__FormatterName=simple # This and the below env var will prepend a timestamp to every log message the same way TeslaMate does
- "Logging__Console__FormatterOptions__TimestampFormat=yyyy-MM-dd HH:mm:ss.fff " # See above env var
- TeslaMate__FeePerKilowattHour=0.25 # Adds a flat fee per kWh, useful for certain arrangements (default: 0)
- TeslaMate__LookbackDays=7 # Only calculate charges started in the last x days (default: null, all charges)
- TeslaMate__Phases=1 # Number of phases your charger is connected to (default: null, auto-detect)You also need to configure the database connection to the TeslaMate PostgreSQL database, you can do this either by supplying a PostgreSQL connection string directly or by using the same ones used by TeslaMate in the docker-compose.yml
- DATABASE_HOST=database
- DATABASE_NAME=teslamate
- DATABASE_USER=teslamate
- DATABASE_PASS=secret
- DATABASE_PORT=5432 # Optional (default: 5432)OR (not recommended)
- ConnectionStrings__TeslaMate=Host=database;Database=teslamate;User Id=teslamate;Password=secret;Electricity tariffs in Octopus Energy are separated into multiple regions depending on where you live, in order to find your code you can use one of two methods:
- Go to https://octopus.energy/dashboard/developer/
- Under Unit Rates, just before 'standard-unit-rates' in the URL provided there is a letter, this is your region code
- For example in https://api.octopus.energy/v1/products/AGILE-18-02-21/electricity-tariffs/E-1R-AGILE-18-02-21-A/standard-unit-rates/ your region code is A
Or if you're familar with curl / postman / etc
- Call
GET https://api.octopus.energy/v1/industry/grid-supply-points?postcode=POSTCODEHERE - You will get a response with
"group_id": "_A"for example, A is your region code
Tibber requires users to supply their access token to provide pricing information for their tarriff. It is only used to query tarriff information and at no point does TeslaMateAgile request or access any data related to consumption or any account details. You can find the related code here.
You can acquire this token here: https://developer.tibber.com/settings/accesstoken
If you have multiple homes, you can specify Tibber__HomeId to select the home you want to use. To find it, you can use the Tibber GraphQL Explorer and run the following query:
{
viewer {
homes {
id
address {
address1
postalCode
city
country
}
}
}
}Currently available areas are DK1, DK2, NO2, SE3, SE4
Valid currency options are DKK (Danish Krone) or EUR (Euro)
Prices on Energinet appear to be without VAT so this defines a multiplier to be applied before using the price for further calculations.
Support for this is added for accommodating different transmission charges, taxes, etc. This will be added to the price reported from Energinet's API.
This is the URL to your Home Assistant instance, it should include the protocol (http or https) and the port if it's not the default (8123). If you are hosting TeslaMateAgile outside of your home network you will need to ensure that your Home Assistant instance is accessible from the internet.
This is a long-lived access token for Home Assistant, you can create one by going to your profile in Home Assistant and clicking "Create Token" under "Long-Lived Access Tokens". This token is only used to query the entity you specify and at no point does TeslaMateAgile request or access any other data.
This is the ID of the number-based entity containing price data in Home Assistant, it should be in the format input_number.energy_price and should be updated by Home Assistant with the price for the current time period. The price should be in your currency e.g. pounds, euros, dollars (not pennies, cents, etc).
Home Assistant by default only keeps 10 days of history and will fail to calculate charges if the data is missing. It is highly recommended to set this to a value lower than the number of days of history you have in Home Assistant. A good value is 7 days if you have the default 10 days of history.
In some cases you may want to tell TeslaMateAgile to recalculate a particular charge, to do this you need to set the cost column in the charging_processes table in the TeslaMate PostgreSQL database to NULL for the charges you want to recalculate.
You should filter this by a particular charge id or by geofence_id if you want to recalculate everything. To find a particular charge id, look in the URL when viewing it in Grafana, it should be on the end of the URL: ...&var-charging_process_id=xxx.
TeslaMate has a guide on manually fixing data here: https://docs.teslamate.org/docs/maintenance/manually_fixing_data
Recalculate charge costs for a particular charge: UPDATE charging_processes SET cost=NULL WHERE id={ChargeId}
Recalculate charge costs for all charges at your GeofenceId: UPDATE charging_processes SET cost=NULL WHERE geofence_id={GeofenceId}
Please be careful when running SQL queries against your TeslaMate database as they may result in permanent data loss. Take a backup of your database before if you're not sure.
If you've got an advanced use case or a tariff that isn't supported and you the FixedPrice provider is too limited for you (e.g. summer / winter pricing), you can use Home Assistant to provide the pricing data to TeslaMateAgile using the HomeAssistant provider.
This way you can use any number of integrations, sensors, automations, etc to provide a number-based entity to TeslaMateAgile which will be used as the price for the charge.
As an example, you can effectively create an Intelligent Octopus integration by using the octopus_intelligent integration along with a couple of automations to update the price entity when the off-peak / peak activates.
If you don't use Home Assistant, unfortunately you will need to wait for your use case to be supported, submit a PR to add support for it or install Home Assistant for this purpose.
Due to how TeslaMate calculates your electricity phases (TeslaMateAgile uses the same logic), short charges sometimes do not have enough data to determine the phases and this will result in a zero cost. You will see a warning in the logs when this happens that looks like this:
warn: TeslaMateAgile.PriceHelper[0] Unable to determine phases for charges
info: TeslaMateAgile.PriceHelper[0] Calculated cost 0 and energy 0 kWh for charging process 26
To workaround this issue, you can set the TeslaMate__Phases environment variable to override the auto-detection, this will allow short charges to be calculated correctly as long as you set the correct number of phases.
This project is available on Docker
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