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
Personal use or professional trading, a battery or a whole portfolio. All prices in EUR excluding VAT; paying yearly is cheaper.
Explore the forecast before choosing a plan.
€0 / forever
No payment details required
For households and personal use: your home battery, EV or heat pump.
€29 / month
€290 / year · save 17 %
For companies that need one zone: trading, analysis or one asset.
€149 / month
€1,490 / year · save 17 %
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
For traders, analysts and energy companies.
€490 / month
€4,990 / year · save 15 %
For power plants, large portfolios and custom integrations.
Custom
Pricing based on scope and usage
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.
| Feature | Free | Personal | Commercial | Battery | Professional | Enterprise |
|---|---|---|---|---|---|---|
| Tomorrow’s forecast (D+1) | 00–12 | ✓ | ✓ | ✓ | ✓ | ✓ |
| 15-minute steps | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| 10–90 % range | – | ✓ | ✓ | ✓ | ✓ | ✓ |
| Markets | all | 1 | 1 | yours | 39 | any |
| Forecast vs actual chart | basic | ✓ | ✓ | ✓ | ✓ | ✓ |
| Home Assistant integration | – | ✓ | ✓ | ✓ | ✓ | ✓ |
| API key | – | ✓ | ✓ | scope | ✓ | ✓ |
| CSV export | – | – | ✓ | scope | ✓ | ✓ |
| Full forecast archive | – | – | – | request | request | ✓ |
| Performance statistics | – | – | – | request | request | ✓ |
| Charge and discharge plan | – | – | – | ✓ | – | ✓ |
| Estimated revenue vs simple strategy | – | – | – | ✓ | – | ✓ |
| Priority support | – | – | – | ✓ | ✓ | ✓ |
| Custom models, on-premise, SLA | – | – | – | – | – | project |
| How to buy | free | online | online | online ≤10 MW | online | offer |
“request” = available to customers on request; “scope” = by the agreed scope; “project” = built per project. All prices EUR excl. VAT.
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.
38 day-ahead bidding zones plus the GB market index — see all zones. Personal covers one market, Professional all of them.
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.
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.
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.
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.
Yes, any time; the plan runs to the end of the paid period. See the terms.
Yes, for Germany–Luxembourg: every day of the last year, month by month, with a CSV — forecast accuracy in Germany. How we check every forecast is on Forecast performance. Results for other zones are available on request.
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.
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