Power Window

Find the lowest-price hours for flexible electricity use in Spain.

Planner

Choose the load, get the best start time.

EV charging

Plan by car model and charging need.

Choose a car to estimate charging duration.
Smart charging

Send the selected window to a charger connector.

No charger connector linked yet.
Cost mode

Estimate the bill impact, not only the market price.

Best window

Loading REE data...

Prices will appear after the REE response is parsed.

Connecting Checking availability Source pending
Recommended action

--

Start here for the strongest price signal in the selected duration.

-- score
Timing grade -- Relative to this day's prices
Load label
A B C D E F G
Estimated consumption class
Estimated cost -- Energy component only
Run now vs best -- Waiting can be compared once today's hourly data is loaded.
Tomorrow check -- Day-ahead data is checked when available.
Reminder No reminder set
Android Install as app Use Chrome on Android for the best install flow.
Hourly price signal

Lower bars are better moments to run flexible loads. Past hours are muted.

best window low-price hour expensive hour
Ranked windows

Remaining starts for this load