AI day-ahead price forecast · 39 European zones

Know tomorrow’s power price before the auction.

Every morning before the 12:00 CET auction you get tomorrow’s price for every 15 minutes in your zone, with a 10–90 % range — in your account, by API, or as a ready charge and discharge plan for your battery.

From €29 / month · Battery from €249 / month or €2,490 / year · free plan without a card · EUR excl. VAT

Buy now →Try it free

Need a battery above 10 MW or a portfolio? Request a demo.

What you get

The real forecast for tomorrow. The first half of the day is free; the full day, the API and the battery plan are in the paid plans.

Day-ahead price forecast · Germany–Luxembourg● FREE PREVIEW

Tomorrow Sat 14 Nov · Germany–Luxembourg

Created 13 Nov 10:37 CET, before the 12:00 CET auction. Free: 00:00–12:00.

Forecast (median)10–90 % range

Unlock the full DE-LU day

What it can earn

How much more would your battery earn?

Pick your zone and battery power — in kW or MW. Simulated on the last year of prices against planning on yesterday’s prices. Open the full calculator →

How much would your battery earn with our forecast?

ZonePowerUnitCapacity (2 hours)2 MWhCycles

Extra day-ahead revenue vs planning on yesterday’s prices

≈ €10,162 per year

95 % confidence interval of the yearly average €8,319 – €12,263. Simulated on past prices (backtest) over 366 days (7 Nov 2025 – 7 Nov 2026), before fees, day-ahead only.

Share of the best possible result (prices known in advance): our forecast 90.5 %, yesterday’s prices 79.5 %. Planning on yesterday’s prices lost money on 23 of 366 days.

For a 2-hour battery (1 MW / 2 MWh); other durations: ask us. Figures scale linearly with power from a 1 MW / 2 MWh reference battery.

Battery plan: a daily schedule for this battery

Forecast accuracy · Germany

42 % lower error than yesterday’s prices.

Every quarter-hour of 366 days, compared with the price that cleared. No hand-picked days.

18.1 €/MWhour average error (MAE)

31.4 €/MWherror of yesterday’s prices

300 of 366days our forecast was closer

See every day and download the CSV → · Case study: 10 MW battery

What it costs

Choose your plan and buy online.

Card payment through Stripe, access right after payment, monthly or yearly, cancel any time.

Free

Explore the forecast before choosing a plan.

€0 / forever

No payment details required

Tomorrow 00:00–12:00 for every zone
Basic forecast chart
Battery calculator
No API or data export

Explore free – Free

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 – Personal What’s inside – Personal →

Commercial

For companies that need one zone: trading, analysis or one asset.

€149 / month

€1,490 / year · save 17 %

Full tomorrow (D+1) forecast
15-minute resolution, P10–P90
One selected market
Commercial use
API and CSV export for that market
Forecast vs actual-price chart

Get started – Commercial What’s inside – Commercial →

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 – Battery What’s inside – Battery →

FOR PROFESSIONALS

Professional

For traders, analysts and energy companies.

€490 / month

€4,990 / year · save 15 %

All 39 zones (38 day-ahead bidding zones + GB index)
Full tomorrow, 15 minutes, P10–P90
API access and CSV export
Forecast archive for your zones, on request
Accuracy statistics: Germany published, other zones on request
Priority technical support

Get started – Professional What’s inside – Professional →

Enterprise

For power plants, large portfolios and custom integrations.

Custom

Pricing based on scope and usage

Custom market and data scope
API integration into your systems
Custom dashboards
Custom forecast models, per project
Deployment on your server, on request
SLA by agreement

Contact sales – Enterprise What’s inside – Enterprise →

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

Not a plan: recommend the forecast and earn 20 % of every payment, for as long as the customer pays — Partner programme.

Compare all plans

Simulated results

What your battery can earn with our forecast.

Extra revenue per MW per year, compared with planning on yesterday’s prices.

+€38,991/ MW / year

Estonia +€23,644/ MW / year

Lithuania +€22,652/ MW / year

Latvia +€18,374/ MW / year

Poland +€14,019/ MW / year

Greece

More zones (34)

Simulated on past prices (backtest), 1 MW / 2 MWh battery, before fees, day-ahead only, vs planning on yesterday’s prices.

Learn more

One forecast, three ways to use it.

⌁

For batteries →

A charge and discharge plan from tomorrow’s forecast.

↗

For energy companies →

All 39 zones by API and CSV for your own systems.

◌

Forecast performance →

How we store and check every forecast against the market.

FAQ

Frequently asked questions

When is the forecast published?

Every morning, before the 12:00 CET day-ahead auction. The model runs at about 10:30 CET for every zone and the website and API are regenerated several times a day.

Which markets do you cover?

38 day-ahead bidding zones plus the GB market index — see all zones. Personal covers one market, Professional all of them.

What do I get for free?

Tomorrow from 00:00 to 12:00 for every zone, a basic chart and the battery calculator. The rest of the day and the data are in the paid plans.

Are the battery revenues guaranteed?

No. Battery figures are simulated on past prices (backtests) and show what a plan from our forecast would have earned compared with a plan on yesterday’s prices. Real revenue depends on your battery, fees and the market.

Are prices with VAT?

All prices are in EUR excluding VAT. Personal, Commercial, Professional and Battery can be paid yearly for less: €290, €1,490, €4,990 and, for Battery, from €2,490 a year by battery size.

How do I buy Professional, Battery or Enterprise?

Personal, Commercial, Professional and Battery up to 10 MW are bought online; you can also request a demo first. Batteries above 10 MW, portfolios and Enterprise: request a demo or contact sales and we send you an offer and a contract.