📈 Battery revenue with our forecast simulated:
progrunners / Price forecast / Zones / Great Britain (market index)
GB

Great Britain (market index): tomorrow’s power price before the auction

Every morning we forecast the next day for Great Britain (market index) — so your battery charges cheap and sells high.

How much would your battery in Great Britain (market index) earn with our forecast?

We have no published simulation for Great Britain (market index) yet. We calculate it for your battery for free.

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Tomorrow Sat 14 Nov · Great Britain (market index)

Created 13 Nov 10:40 CET, before the 12:00 CET auction. Free: 00:00–12:00.

Forecast (median)10–90 % range
Great Britain (market index) forecast, first hours15020000:0006:0012:0018:00🔒 Unlock the full day£/MWh · local time Europe/London

Plans

Personal

For households and personal use: your home battery, EV or heat pump.

€29 / month

€290 / year · save 17 %

  • Full tomorrow (D+1) forecast
  • 15-minute resolution
  • Median forecast and P10–P90 range
  • One selected market
  • Forecast vs actual-price chart
  • API key (for Home Assistant)
  • No CSV or data export
Get started – PersonalWhat’s inside – Personal →

Battery

For BESS operators and energy aggregators.

€249 / month

€2,490 / year · save 17 % · battery up to 2 MW · up to 10 MW €590 / month or €5,990 / year · above 10 MW by contract

  • Day-ahead price forecast for your zone
  • Charge and discharge plan
  • Battery size, efficiency and cycle limit
  • Estimated revenue vs a simple strategy (simulated)
  • Historical evaluation and data export
  • API by the agreed scope
Get started – BatteryWhat’s inside – Battery →

All prices in EUR excluding VAT. Paying yearly is cheaper — the saving is shown on each plan.

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Prices: ENTSO-E Transparency Platform (SDAC day-ahead), GB: Elexon market index. Yearly figures: walk-forward backtest using only data available before each auction. Daily forecasts are stored with a time stamp before the 12:00 CET auction. Built 13 Nov 2026 12:50 UTC.