A worker does routine checks during a press tour at the opening of a gas processing plant using the rich gas resources from the Black Sea, on June 28, 2022 in Vadu, Romania. - The EU looks to reduce its dependency on Russian gas after Moscow's invasion of Ukraine. An exception within the EU, Romania has significant reserves but must turn to Russia in winter to cover around 20 percent of its gas needs. (Photo by Andrei PUNGOVSCHI / AFP)

A worker does routine checks during a press tour at the opening of a gas processing plant using the rich gas resources from the Black Sea, on June 28, 2022 in Vadu, Romania. - The EU looks to reduce its dependency on Russian gas after Moscow's invasion of Ukraine. An exception within the EU, Romania has significant reserves but must turn to Russia in winter to cover around 20 percent of its gas needs. (Photo by Andrei PUNGOVSCHI / AFP)

A worker does routine checks during a press tour at the opening of a gas processing plant using the rich gas resources from the Black Sea, on June 28, 2022 in Vadu, Romania. - The EU looks to reduce its dependency on Russian gas after Moscow's invasion of Ukraine. An exception within the EU, Romania has significant reserves but must turn to Russia in winter to cover around 20 percent of its gas needs. (Photo by Andrei PUNGOVSCHI / AFP)

An employee stands in front of facilities of a gas processing plant using the rich gas resources from the Black Sea during a press tour on June 28, 2022 in Vadu, Romania. - The EU looks to reduce its dependency on Russian gas after Moscow's invasion of Ukraine. An exception within the EU, Romania has significant reserves but must turn to Russia in winter to cover around 20 percent of its gas needs. (Photo by Andrei PUNGOVSCHI / AFP)

A worker does routine checks during a press tour at the opening of a gas processing plant using the rich gas resources from the Black Sea, on June 28, 2022 in Vadu, Romania. - The EU looks to reduce its dependency on Russian gas after Moscow's invasion of Ukraine. An exception within the EU, Romania has significant reserves but must turn to Russia in winter to cover around 20 percent of its gas needs. (Photo by Andrei PUNGOVSCHI / AFP)

Facilities of a gas processing plant using the rich gas resources from the Black Sea are pictured during a press tour on June 28, 2022 in Vadu, Romania. - The EU looks to reduce its dependency on Russian gas after Moscow's invasion of Ukraine. An exception within the EU, Romania has significant reserves but must turn to Russia in winter to cover around 20 percent of its gas needs. (Photo by Andrei PUNGOVSCHI / AFP)

Facilities of a gas processing plant using the rich gas resources from the Black Sea are pictured during a press tour on June 28, 2022 in Vadu, Romania. - The EU looks to reduce its dependency on Russian gas after Moscow's invasion of Ukraine. An exception within the EU, Romania has significant reserves but must turn to Russia in winter to cover around 20 percent of its gas needs. (Photo by Andrei PUNGOVSCHI / AFP)

An employee walks past facilities of a gas processing plant using the rich gas resources from the Black Sea is pictured during a press tour on June 28, 2022 in Vadu, Romania. - The EU looks to reduce its dependency on Russian gas after Moscow's invasion of Ukraine. An exception within the EU, Romania has significant reserves but must turn to Russia in winter to cover around 20 percent of its gas needs. (Photo by Andrei PUNGOVSCHI / AFP)

An employee walks past facilities of a gas processing plant using the rich gas resources from the Black Sea is pictured during a press tour on June 28, 2022 in Vadu, Romania. - The EU looks to reduce its dependency on Russian gas after Moscow's invasion of Ukraine. An exception within the EU, Romania has significant reserves but must turn to Russia in winter to cover around 20 percent of its gas needs. (Photo by Andrei PUNGOVSCHI / AFP)

A gas pressure gauge of a gas processing plant using the rich gas resources from the Black Sea is pictured during a press tour on June 28, 2022 in Vadu, Romania. - The EU looks to reduce its dependency on Russian gas after Moscow's invasion of Ukraine. An exception within the EU, Romania has significant reserves but must turn to Russia in winter to cover around 20 percent of its gas needs. (Photo by Andrei PUNGOVSCHI / AFP)

Facilities of a gas processing plant using the rich gas resources from the Black Sea are pictured during a press tour on June 28, 2022 in Vadu, Romania. - The EU looks to reduce its dependency on Russian gas after Moscow's invasion of Ukraine. An exception within the EU, Romania has significant reserves but must turn to Russia in winter to cover around 20 percent of its gas needs. (Photo by Andrei PUNGOVSCHI / AFP)

Workers check their protection equipment before a press tour at the opening a gas processing plant using the rich gas resources from the Black Sea on June 28, 2022 in Vadu, Romania. - The EU looks to reduce its dependency on Russian gas after Moscow's invasion of Ukraine. An exception within the EU, Romania has significant reserves but must turn to Russia in winter to cover around 20 percent of its gas needs. (Photo by Andrei PUNGOVSCHI / AFP)