Save smart with our
energy manager

Gruff Technology offers smart sockets and relays that automatically optimize your electricity consumption based on real-time Nord Pool prices.

Gruff smart socket

Nord Pool price

Tallinn, EE

4.2 cents/kWh

Smart solutions for every need

Choose the right energy manager for your home or business.

Bestseller Smart socket

Smart Socket

• Plugs directly into existing outlet
• Controls high-consumption devices up to 3.5 kW
• Visual price indicator (green/red LED)

DIN rail relay

DIN Rail Relay

• Installs directly into electrical panel
• Ideal for water heaters and underfloor heating
• Requires professional installation

Business solutions

Business Solutions

• Custom solutions for offices and warehouses
• Advanced API access and reporting
• Multi-device management dashboard

Smart socket tracks
Nord Pool prices

Nord Pool public hourly prices allow you to precisely optimize electricity consumption. Our socket is especially useful for high-consumption devices like water heaters, EV chargers, and heating systems.

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Green hours

Socket automatically turns on during cheap hours, saving money while you sleep or work.

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Red hours

Power is switched off during expensive peak hours, indicated by the red LED ring on the socket.

With the Gruff smart socket you can save money and maintain precise control over your home or business electricity consumption while reducing grid load during peak hours.

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Current price
6.88 cents/kWh
Consumption
2 W
Automatic
Tracks Nord Pool prices

Feedback

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“Got the socket, thanks! Setup and connection went well. Much simpler and more convenient than the previous version.”

Tiit

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“Also kudos to you for the new app UI. Looks great and much more comfortable to use than the old version. Plus the Scheduling feature is a great addition!”

Argo

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“I originally had 4 sockets and gave one to a friend. Not only do I recommend your socket, I give it as gifts too. Made in Estonia and very cool.”

Erkki

Still not sure?

Call and consult with our specialist.