GridAhead
Day-ahead forecast · free

Poland, Sunday, 25 October 2026

08:00 run, issued Sat 24 Oct 08:00 · 15-minute resolution
Price77 EUR/MWhmin 7 · max 154Load16.0 GWmin 13.6 · max 19.0Wind5.9 GWmin 4.1 · max 6.9Solar1.5 GWmin 0.0 · max 6.3

Price forecast (EUR/MWh)

ForecastActual price
NEWESTCSVExcel
The free plan opens with the newest forecast and lets you browse and download the last 30 delivery days.
Daily average
77 EUR/MWh
all quarter-hours
Minimum
7 EUR/MWh
10:00
Maximum
154 EUR/MWh
17:30
Peak 08–20
67 EUR/MWh
local time
200
150
100
50
0
0003060912151821
How sure is the forecast? Uncertainty bands, longer history and the API come with paid plans.Compare plans →

Price accuracy of live forecasts · 08:00 run

Every forecast is stored before the auction and scored against the published result. No backtests, nothing revised after the fact.
MAE, last 30 days
32.8 EUR/MWh
5 scored days
RMSE, last 30 days
48.6 EUR/MWh
5 scored days
Daily MAEDaily RMSEEUR/MWh, latest 5 days
19 Oct24 Oct
Load, wind and solar accuracy and up to a year of history come with Medium and Premium.

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Point forecasts for price, load, wind and solar; last 30 days to browse and download.
Medium
Price P10 / P50 / P90, load / wind / solar point forecasts, one year of history, accuracy for all four, REST API.
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Most accurate price ensemble with P5–P95, load / wind / solar with P10–P90 bands, full history, REST API.
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