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Updated Readme.
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jonasbkarlsson committed Jan 5, 2025
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![Icon](assets/icon.png)

The EV Smart Charging integration will automatically charge the electric vehicle (EV) when the electricity price is the lowest. The integration natively supports the [Nordpool](https://github.com/custom-components/nordpool), the [Energi Data Service](https://github.com/MTrab/energidataservice) and the [Entso-e](https://github.com/JaccoR/hass-entso-e) integrations. The integration also supports a [generic price format](https://github.com/jonasbkarlsson/ev_smart_charging/wiki/Price-sensor). Together with using a template sensor, many different price integrations should be possible to use.
The EV Smart Charging integration will automatically charge the electric vehicle (EV) when the electricity price is the lowest. The integration natively supports the [Nordpool](https://github.com/custom-components/nordpool), the [Energi Data Service](https://github.com/MTrab/energidataservice), the [Entso-e](https://github.com/JaccoR/hass-entso-e) and the [TGE](https://github.com/PiotrMachowski/Home-Assistant-custom-components-TGE) integrations. The integration also supports a [generic price format](https://github.com/jonasbkarlsson/ev_smart_charging/wiki/Price-sensor). Together with using a template sensor, many different price integrations should be possible to use.

The integration calculates the set of hours that will give the lowest price, by default restricted to a continuous set. This calculation is done when the electricity prices for tomorrow is available (typically between shortly after 13:00 CET/CEST and midnight) or when the time of the day is before the configured charge completion time. When the automatic charging has started, changes of settings will not have any effect.

## Requirements
- The [Nordpool](https://github.com/custom-components/nordpool), the [Energi Data Service](https://github.com/MTrab/energidataservice), the [Entso-e](https://github.com/JaccoR/hass-entso-e) integration or a template sensor that generates price data using the supported [generic price format](https://github.com/jonasbkarlsson/ev_smart_charging/wiki/Price-sensor).
- The [Nordpool](https://github.com/custom-components/nordpool), the [Energi Data Service](https://github.com/MTrab/energidataservice), the [Entso-e](https://github.com/JaccoR/hass-entso-e), the [TGE](https://github.com/PiotrMachowski/Home-Assistant-custom-components-TGE) integration or a template sensor that generates price data using the supported [generic price format](https://github.com/jonasbkarlsson/ev_smart_charging/wiki/Price-sensor).
- Home Assistant version 2023.4 or newer.

## Features
- Automatic EV charging control based on electricity prices.
- Native support of the [Nordpool](https://github.com/custom-components/nordpool), [Energi Data Service](https://github.com/MTrab/energidataservice) and [Entso-e](https://github.com/JaccoR/hass-entso-e) integrations.
- Native support of the [Nordpool](https://github.com/custom-components/nordpool), [Energi Data Service](https://github.com/MTrab/energidataservice), [Entso-e](https://github.com/JaccoR/hass-entso-e) and [TGE](https://github.com/PiotrMachowski/Home-Assistant-custom-components-TGE) integrations.
- Support of a [generic price format](https://github.com/jonasbkarlsson/ev_smart_charging/wiki/Price-sensor). A template sensor can be used to get price information from many price integrations.
- Configuration of the latest time of the day when the charging should be completed, and the earliest time the charging can start.
- Selection of preference between one continuous charging session or several (possibly more price optimized) non-continuous charging sessions.
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Parameter | Required | Description
-- | -- | --
Name | Yes | The name of the instance.
Electricity price entity | Yes | The Nordpool, the Energi Data Service, the Entso-e integration sensor entity or a template sensor providing the price in the [generic price format](https://github.com/jonasbkarlsson/ev_smart_charging/wiki/Price-sensor). For the Entso-e integration, the entity called `sensor.average_electricity_price` should be used.
Electricity price entity | Yes | The (HACS) Nordpool, the Energi Data Service, the Entso-e, the TGE integration sensor entity or a template sensor providing the price in the [generic price format](https://github.com/jonasbkarlsson/ev_smart_charging/wiki/Price-sensor). For the Entso-e integration, the entity called `sensor.average_electricity_price` should be used.
EV SOC entity | Yes | Entity with the car's State-of-Charge. A value between 0 and 100. Note that this entity is crucial for the integration. If live information about he SOC is not available, please carefully read the section below with more information about the EV SOC entity.
EV target SOC entity | No | Entity with the target value for the State-of-Charge. A value between 0 and 100. If not provided, 100 is assumed.
Charger control switch entity | No | If provided, the integration will directly control the charger by setting the state of this entity to 'on' or 'off'.
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