Voltage Issues

ESB Networks delivers electricity in a voltage range of 207 Volts to 253 Volts. This is in accordance with European Standard EN50160.

Signs you may have a voltage problem

Occasionally an issue may arise in maintaining a consistent level of voltage. Common signs of a voltage problem are:

  • Lights that dim when other appliances are in use.
  • Kettle is slow to boil.
  • Electrical motors that fail to start first time.

Note: These problems can also occur if you have exceeded the capacity of your electricity connection.

Increase your supply

What to do next

If you believe you have a problem with your voltage contact us.

We will contact you within two weeks of communications to assess the problem. If we find the voltage does not conform to European Standards (EN50160), we take necessary steps to find the best solution.
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