get
https://api.modoenergy.com/pub/v1/gb/epex/intra-day/rpd-eod
EPEX's calculation of reference price index for trades of products up to 4h in duration (RPD) and reference price index for half-hour product trades (RPD HH) for each half-hour period of the day. This is calculated by EPEX and released on their FTP at the end of the day.