python-esios 2.4.2

A Python wrapper for the ESIOS API (Spanish electricity market)

python-esios

A Python library and CLI to query the Spanish electricity market API (ESIOS/REE).

Download indicators (prices, generation, demand), archives (I90 settlement files), and more.

Install

pip install python-esios

Configure your token

Request a personal token from REE, then:

esios config set token YOUR_TOKEN

This stores the token in ~/.config/esios/config.toml. Alternatively, set the ESIOS_API_KEY environment variable.

CLI usage

# Search indicators
esios indicators search "precio"

# Download historical data
esios indicators history 600 --start 2025-01-01 --end 2025-01-31

# Export to CSV
esios indicators history 600 -s 2025-01-01 -e 2025-01-31 --format csv --output prices.csv

# List archives
esios archives list

# Download I90 settlement files
esios archives download 1 --start 2025-01-01 --end 2025-01-31

# Cache status
esios cache status

Python usage

from esios import ESIOSClient

client = ESIOSClient()

# Get indicator data as DataFrame
handle = client.indicators.get(600)  # Day-ahead spot price (OMIE)
df = handle.historical("2025-01-01", "2025-01-31")

# Search indicators
results = client.indicators.search("precio")

# Download archives
client.archives.download(1, start="2025-01-01", end="2025-01-31", output_dir="./data")

Common indicators

ID	Name	Description
600	Day-ahead price	OMIE spot market price
1001	PVPC	Voluntary price for small consumers (2.0TD)
10033	Demand	Real-time electricity demand
10034	Wind generation	Real-time wind generation
10035	Solar PV generation	Real-time solar generation

License

GPL-3.0