era5

Central module containing all code dealing with importing era5 weather data.

class EgonEra5Cells(**kwargs)

Bases: Base

Class definition of table supply.egon_era5_weather_cells.

geom

geom_point

w_id

class EgonRenewableFeedIn(**kwargs)

Bases: Base

Class definition of table supply.egon_era5_renewable_feedin.

carrier

feedin

w_id

weather_year

class WeatherData(dependencies)

Bases: Dataset

Download weather data from ERA5 using atlite

This dataset downloads weather data for the selected representative weather year. This is done by applying functions from the atlite-tool.The downloaded wetaher data is stored into files within the subfolder ‘cutouts’.

Dependencies

• ScenarioParameters

• Vg250

• Setup

Resulting tables

• supply.egon_era5_weather_cells is created and filled

• supply.egon_era5_renewable_feedin is created

name: str = 'Era5'

sources: DatasetSources = DatasetSources(tables={'vg250_bbox': 'boundaries.vg250_sta_bbox'}, files={}, urls={})

The sources used by the datasets. Could be tables, files and urls

targets: DatasetTargets = DatasetTargets(tables={'weather_cells': 'supply.egon_era5_weather_cells', 'renewable_feedin': 'supply.egon_era5_renewable_feedin'}, files={'weather_data': {'path': 'cutouts'}})

The targets created by the datasets. Could be tables and files

version: str = '0.0.8'

create_tables()

download_era5()

Download weather data from era5

Returns:

None.

import_cutout(boundary='Europe')

Import weather data from cutout

Returns:

cutout (atlite.cutout.Cutout) – Weather data stored in cutout

insert_weather_cells()

Insert weather cells from era5 into database table

Returns:

None.