Brent fell $2.10, or 2.2%, to $93.54 a barrel, WTI slid $1.86, or 2.1%, to $87.69 a barrel.

India has emerged as a key buyer of Russian energy in the wake of the invasion, scooping up millions of barrels of discounted crude shunned by Europe and the US.

The EU’s energy agency, Acer, has warned against tearing up the market structure. In a report in April, it said that the EU’s wholesale electricity markets work well under normal conditions, ensuring secure electricity supply.

Gazprom's gas exports to Europe have slumped in 2022, but record high gas prices meant the company was still able to post record revenues and net profit for the first half.

Ghana's Ministry of Energy is developing a National Energy Transition Plan that will help the country move to cleaner energy, with nuclear power playing a critical role as a base.

Brent climbed 89 cents, or 0.9%, to $100.20 a barrel, WTI jumped 82 cents, or 0.9%, to $92.46 a barrel

Asked if there are guarantees that Gazprom will restart gas flows via Nord Stream 1, the Kremlin's Peskov said: "There are guarantees that, apart from technological problems caused by sanctions, nothing hinders the supplies."

A three-day halt of the Nord Stream pipeline -- a key source of natural gas for the European Union -- starts on Wednesday, and concerns are widespread that Moscow will find another excuse to clamp down on supplies, putting the region at the mercy of the weather.

Tokyo Gas and Japan's largest power generation company JERA said previously that they have signed new LNG supply agreements on the same terms as previous agreements. Sources said that new contracts were required due to the change of operator.

Brent dropped 56 cents, or 0.5%, to $104.53 a barrel, WTI was at $96.86 a barrel, down 14 cents,