Get Latest Forecast as of Bid Close

Get the latest ERCOT load forecast available as of day-ahead bid close

Pull ERCOT load forecasts by forecast zone as they were available at the 10:00 AM day-ahead bid close, then calculate daily maximums.

Get hourly forecasts as of bid close

hourly = client.get_dataset(
    "ercot_load_forecast_by_forecast_zone",
    start="2026-05-01",
    end="2026-05-08",
    publish_time="latest_before:-1 day@10:00:00",
    timezone="market",
)

print(hourly.head())

For each operating interval, latest_before:-1 day@10:00:00 selects the latest forecast published at or before 10:00 AM market time on the prior day.

Calculate daily maximums

daily_max = client.get_dataset(
    "ercot_load_forecast_by_forecast_zone",
    start="2026-04-01",
    end="2026-05-01",
    publish_time="latest_before:-1 day@10:00:00",
    timezone="market",
    resample="1 day",
    resample_function="max",
)

print(daily_max.head())