Nominations stood at 36.9 million cubic metres (mcm) per day, unchanged form the previous day, data from the Ukrainian transmission system operator showed.
Russian gas producer Gazprom GAZP.MM said its supply of gas to Europe through Ukraine via the Sudzha entry point was expected at 41.3 mcm on Wednesday, unchanged from a day earlier.
Similarly, eastbound gas flows via the Yamal-Europe pipeline to Poland from Germany remained stable on Wednesday morning, data from pipeline operator Gascade showed.
Exit flows at the Mallnow metering point on the German border stood at 3,304,451 kWh/h versus levels around 3,300,000 kWh/h the previous day.
Physical gas flows through the Nord Stream 1 pipeline from Russia to Germany remained at zero due to annual maintenance which began on July 11, operator data showed.
Gas flows through Nord Stream 1 are expected to remain shut until the end of maintenance on July 21, but governments, markets and companies are concerned the shutdown might be extended.