Weather Forecasting

Best Solar Forecast Models: 7 Leading Options Ranked

1 / 5

EPT-2 currently leads 2026 solar forecast rankings on deterministic SSRD accuracy across the full 0–240 hour horizon.

2 / 5

The rapid-refresh variant updates up to 24 times per day, which lets traders react to solar revisions before markets move.

3 / 5

EPT-2e, the ensemble version, beats the 50-member ECMWF ENS mean on RMSE and CRPS across almost all horizons, so probabilistic hedging becomes more precise.

4 / 5

Accuracy gains have direct P&L impact: a 1 GW solar portfolio can save about €3 M per year from a four-point SSRD improvement.

5 / 5

Run a live Jua benchmark and see your own region’s solar forecast performance in under five minutes.

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Compare top solar forecast models for energy trading & utility planning. Jua's EPT-2 leads 2026 accuracy rankings. Run a free benchmark today.

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