Electricity Market Data for Czech Republic and Greece (2021–2024): Load, Forecast, and Day-Ahead Price

This dataset provides hourly electricity market data for the Czech Republic and Greece from 2021–2024, including load, day-ahead forecast, day-ahead price, and derived ramp indicators. Timestamps are converted to UTC, and DST inconsistencies have been corrected. The dataset supports the manuscript “State-Aware Demand Response via Self-Supervised Market-State Embeddings.” Source data retrieved from ENTSO-E Transparency Platform. Licensed under CC BY 4.0. This dataset contains hourly electricity market information for the Czech Republic (CZ) and Greece (GR) from January 2021 to December 2024. It consolidates: Actual system load (MW) Day-ahead load forecast (MW) Day-ahead market price (EUR/MWh) Timestamp information aligned to UTC Derived ramp indicators (optional) The dataset was compiled from publicly available ENTSO-E Transparency Platform data (https://transparency.entsoe.eu) and national transmission system operators (TSOs). All timestamps were cleaned for daylight-saving time transitions and harmonized to ensure temporal consistency. This dataset was produced to support the analysis in the manuscript: “State-Aware Demand Response via Self-Supervised Market-State Embeddings”(Authors: …) File Contents 1. Combine Data CZ and GR.csv A cleaned, merged dataset with hourly observations for both markets. Column Name Description ts Timestamp (UTC, hourly) country CZ or GR price Day-ahead market price (EUR/MWh) load Actual system load (MW) load_da Day-ahead load forecast (MW) price_d1 1-hour absolute price ramp load_d1 1-hour absolute load ramp ramp48 48-hour rolling ramp indicator (any additional engineered features) See manuscript Section 3 2. README.md This documentation file. 3. Code/ (optional)