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Wireless Router: reduce power consumption - the best tips

  • Nov 14, 2025
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Wireless Router turn out to be the real power hogs. The units run round-the-clock and often have a high power consumption. We tell you the five Tricks, with which you can reduce the power consumption of your Wi-Fi router and so can save tons of money.

1. Wi-Fi on the Router, disable and reduce power consumption

With most of the energy to the wireless module of your router's consumed, of course. Therefore, it may be worthwhile to disable the wireless network connection (temporarily).
  • How you Wi-Fi with a Speedport Router and the Fritzbox disable, we can tell in separate articles.
  • Would you like to do not entirely on a Wi-Fi connection without, you can in your Router, the time circuit to activate. The Wi-Fi turns off, for example, at night automatically to save power. Unfortunately, each Router does not support the practical function. For the Fritzbox, but we did the right guide of Europe.
  • Alternatively, you can use the wifi at any time via the corresponding Button on your Router manually and turn it off. The should you make for example, if you leave the house for long periods of time and there is no active Internet connection.
Wi-Fi switch off and save electricity

2. Power consumption of the Wi-Fi router chokes: Unnecessary features off

The current Wi-Fi routers not only allow you access to the Internet, but are overloaded with lots of additional functions. Many of them are useful, but some turn out to be a useless power hogs. Therefore, you can disable in the Router settings all of the Features you don't use on a regular basis.
  • In particular, the network sharing of hard drives or attached USB Sticks. Do not disconnect them from the USB Port of your router, so that the device supplies power to the hard drives, unnecessary power. Many routers also provide a built-in NAS. You do not use the Router as a network hard drive, you can also turn off this function.
  • Furthermore, you can disable, for example, in the case of the Fritzbox, the individual Ethernet ports to save power. The works in the menu under "System > energy monitor > settings". Also for some other Router models, unused Ports can be switched off completely.
  • Finally, you should also disconnect all non-essential Wi-Fi devices to your Router. Because this sends small data packets to all connected devices, to check their availability. The cost of permanent power. Wi-Fi devices such as a printer or eBook Reader, which rarely need access to the network, you should turn off always after use.

3. Telephone Router disconnect and save power

In times of Smartphones, Skype and co. also, landline phones are becoming less and less important. However, even if you are on the phone with your landline, electricity pulls the device still.
  • You should therefore disconnect all unnecessary base stations from the Router. You can also disable in the settings of the corresponding options.
  • Your wireless Router should have a built-in DECT module, you can connect phones without the base station with the device. The constant search for phones, but highlights also the power consumption. Therefore, turn off all the handsets and disable the DECT function in the settings.
Power Guzzlers: Landline Phone

4. Wi-Fi transmission power and power consumption lower

On many routers, you can use the Wi-Fi transmission power in the settings increase. The advantage of this is that your Wi-Fi is available in the entire house, and often in addition to find. However, the increased transmit power also needs significantly more power.
  • Test, therefore, individually, how much transmitting power you really need. Turn on the transmitter power of a few percent. Then, test with your devices, whether you still have to all the important places in the house reception. You can reduce the power until only the relevant perimeter is supplied with Wi-Fi.
  • Tip: For a good Wi-Fi reception, you do not need to set the transmission power to the Maximum. Often it is sufficient to eliminate sources of interference or to place the Router better. All important tips for a strong Wi-Fi Signal we have in a separate article summarized for you.

5. Power consumption to Zero: Router completely off

So, practically the previous tips are completely on Zero, you do not bring the power consumption of your router in order. Therefore, it is worthwhile to take the device completely from the mains, if you are absent for longer periods, for example during your holiday.
Tip: the Router is completely off
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Your Wi-Fi Router, you should not pay attention only on the consumption of electricity. Also, the correct encryption is particularly important. Therefore, we will give you on the next page are some tips for more security with your Wi-Fi.

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