800 550 055 (from foreign countries: +420 267 055 555)
|Monday – Friday||8:00 a.m. – 6:00 p.m.|
To speed up communication, it will help if you know your customer account number. You can find it on the electricity invoice.
You can use the telephone answering machine on your Customer Line number outside working hours when no operators are available. We will receive your questions through the contact form and answer them.