| date | `Optional[pydantic_extra_types.pendulum_dt.Date]` | `rw` | `None` | Optional specific calendar date for the time window. Naive — matched against the local date of the datetime passed to contains(). Overrides `day_of_week` if set. |
| day_of_week | `Union[int, str, NoneType]` | `rw` | `None` | Optional day of the week restriction. Can be specified as integer (0=Monday to 6=Sunday) or localized weekday name. If None, applies every day unless `date` is set. |
| locale | `Optional[str]` | `rw` | `None` | Locale used to parse weekday names in `day_of_week` when given as string. If not set, Pendulum's default locale is used. Examples: 'en', 'de', 'fr', etc. |
| start_time | `Time` | `rw` | `required` | Naive start time of the time window (time of day, no timezone). Interpreted in the timezone of the datetime passed to contains() or earliest_start_time(). |
| windows | `list[akkudoktoreos.config.configabc.ValueTimeWindow]` | `rw` | `required` | Ordered list of value time windows. Each window defines a time interval and an associated value. |
:::
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**Example Input/Output**
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```json
{
"elecfee":{
"elecfeefixed":{
"consumption_amt_kwh":{
"windows":[]
}
}
}
}
```
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### Common settings for fixed electricity fees
This model defines a fixed electricity fee schedule using a sequence
of time windows. Each window specifies a time interval and the electricity
fee applicable during that interval.
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:::{table} elecfee::elecfeefixed
:widths: 10 10 5 5 30
:align: left
| Name | Type | Read-Only | Default | Description |
| consumption_amt_kwh | `ValueTimeWindowSequence` | `rw` | `required` | Sequence of time windows defining the total fixed per-kWh electricty fee charged for consumed energy, accumulating all applicable fixed per-kWh charges (e.g. network charge, metering fee, concession fee) into a single amount [amount/kWh]. If not provided, no fixed per-kWh consumption fee is applied. |
| consumption_percent_amt | `ValueTimeWindowSequence` | `rw` | `required` | Sequence of time windows defining the total fixed electricity surcharge applied as a percentage of the monetary amount already charged for consumed energy, accumulating all applicable percentage-based surcharges (e.g. VAT, electricity tax) into a single percentage [%]. This is a percentage of the fee amount, not a per-kWh rate. If not provided, no percentage-based consumption surcharge is applied. |
| feedin_amt_kwh | `ValueTimeWindowSequence` | `rw` | `required` | Sequence of time windows defining the total deduction from feed-in energy per Wh [amount/Wh]. This is the accumulation of all fixed per-Wh charges deducted from feed-in energy - such as metering fees or grid-operator handling charges - into a single amount. Applied after the percentage-based deduction, i.e. it reduces the price by a flat amount per Wh rather than by a share of the raw price. If not provided, no fixed per-kWh feed-in fee is applied. |
| feedin_percent_amt | `ValueTimeWindowSequence` | `rw` | `required` | Sequence of time windows defining the total percentage deducted from the raw feed-in price (spot price) [%]. This is the accumulation of all percentage-based deductions payable on the feed-in tariff - such as a marketing or balancing fee retained by the aggregator - into a single percentage. It is applied as `raw_price * (100 - percent) / 100`, i.e. it scales down the raw price rather than adding a surcharge to it. If not provided, no percentage-based feed-in deduction is applied. |
