Data Reference

Technical specifications for Day-Ahead Trading API data.

Quick Reference

Metric	Value
Time Resolution	15 minutes
Intervals per Day	96 (no gaps allowed)
Price Unit	EUR/MWh
Energy Unit	Wh per 15 min
Timestamp Format	ISO 8601 UTC (`YYYY-MM-DDTHH:MM:SSZ`)
Timestamp Alignment	:00, :15, :30, :45
Confirmation Deadline	14:30 CET (intraday) or 23:30 CET (non-intraday)

Price Forecast Data

Field	Type	Unit	Constraints
`date`	String	ISO 8601 Date	Future dates only (`YYYY-MM-DD`)
`timestamp`	String	ISO 8601 DateTime	UTC, aligned to :00/:15/:30/:45
`price_eur_mwh`	Float	EUR/MWh	Positive or negative accepted

Validation:

Exactly 96 intervals, no gaps
Chronological order
ISO 8601 UTC format with Z suffix

Load Curve Data

Field	Type	Unit	Description
`trade_id`	String	UUID	Store for confirmation
`date`	String	ISO 8601 Date	Delivery date
`expiration`	String	ISO 8601 DateTime	Confirmation deadline
`timestamp`	String	ISO 8601 DateTime	15-min interval start
`energy_wh`	Integer	Wh	Energy per interval

Curves:

Optimized: Volume to purchase (with Podero steering)
Unoptimized: Baseline volume (no steering)
Delta: optimized - unoptimized (positive = buy more, negative = buy less)

Trade Confirmation Data

Field	Type	Required	Description
`trade_id`	String (UUID)	✅	From load curve response
`accepted`	Boolean	✅	`true` = activate optimization, `false` = baseline

Submit with 30-minute buffer:

Intraday traders: By 14:30 CET (before intraday trading at 15:00)
Non-intraday traders: By 23:30 CET (before optimization starts at midnight)

Unit Conversions

From	To	Formula
Wh	MWh	`÷ 1,000,000`
MWh	Wh	`× 1,000,000`
EUR/MWh	EUR/kWh	`÷ 1,000`
EUR/kWh	EUR/MWh	`× 1,000`

Integration Guide

API integration instructions

Overview

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