Starting from July 1, 2025, the voltage standard in the electrical network in Ukraine has officially changed. From now on, the regulatory indicators for a single-phase network are 230 V, and for a three-phase network - 400 V instead of the traditional 220/380 V. This change is a step towards harmonizing Ukrainian standards with European ones - in particular, EN 50160, which regulates the quality of electricity in the EU.
However, for most consumers, these changes will be almost imperceptible. The fact is that the real voltage in Ukrainian networks has long fluctuated between 210 and 240 V. Thus, the standard simply formalizes the actual situation.
Modern household appliances will mostly not notice the transition. Devices such as refrigerators, washing machines, laptops, microwave ovens or televisions are usually designed to operate in the 220–240 V range, and some even wider. This allows them to work without problems in most countries around the world.
There may be a slight risk for older devices, such as chargers manufactured before the 2000s or cheap Chinese power supplies that were sensitive to voltage surges. In some cases, they may overheat, but these are rather the exceptions.
Owners of heaters, kettles, irons, and incandescent lamps — devices where voltage directly affects power — will notice more changes. When switching from 220 to 230 V, the power of such devices increases by about 9%, which can shorten their service life.
Changing the standard does not require any intervention in the electrical wiring, replacement of circuit breakers or sockets. All modern electrical equipment is already designed to operate at voltages up to 250 V. At the same time, experts advise checking old voltage stabilizers: models set to 180–220 V may operate unstable under new conditions.
In conclusion, the new standard does not threaten technology and does not require additional costs. For most citizens, the transition to 230 V will go unnoticed, but it will be an important step towards the European integration of Ukraine's energy system.
