This tool will download daily electricity prices from https://www.ote-cr.cz/cs/kratkodobe-trhy/elektrina/denni-trh re-comuptes the missing CZK or EUR prices by using exchagne rates from CNB. (in 2009-02-01 OTE switched from using CZK to EUR)
To download all the prices from OTE do:
make run
the prices will end up in ote_prices.csv
if the download fails or you need to fetch the latest missing prices,
just re-run the make run
command and the download will continue.