📈 Battery revenue with our forecast simulated:
Plans

Plans and prices

Personal use or professional trading, a battery or a whole portfolio. All prices in EUR excluding VAT; paying yearly is cheaper.

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 – PersonalWhat’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 – CommercialWhat’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 – BatteryWhat’s inside – Battery →

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 – EnterpriseWhat’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 plans

Features by plan
FeatureFreePersonalCommercialBatteryProfessionalEnterprise
Tomorrow’s forecast (D+1)00–12✓✓✓✓✓
15-minute steps✓✓✓✓✓✓
10–90 % range–✓✓✓✓✓
Marketsall11yours39any
Forecast vs actual chartbasic✓✓✓✓✓
Home Assistant integration–✓✓✓✓✓
API key–✓✓scope✓✓
CSV export––✓scope✓✓
Full forecast archive–––requestrequest✓
Performance statistics–––requestrequest✓
Charge and discharge plan–––✓–✓
Estimated revenue vs simple strategy–––✓–✓
Priority support–––✓✓✓
Custom models, on-premise, SLA–––––project
How to buyfreeonlineonlineonline ≤10 MWonlineoffer

“request” = available to customers on request; “scope” = by the agreed scope; “project” = built per project. All prices EUR excl. VAT.

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.

Can I cancel?

Yes, any time; the plan runs to the end of the paid period. See the terms.

Do you publish the full accuracy results?

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.