Brent rose 45 cents, or 0.4%, to $101.67 a barrel, WTI was up 32 cents, or 0.3%, at $95.21 a barrel.

The EU’s sixth round of sanctions over the invasion of Ukraine includes a ban on Russian oil, as well as the use by third countries of the bloc’s companies for insurance and financial services.

Households in the Nordic country have already been told to prepare for rolling power cuts in the winter, as there will be no supplies from Russia to help meet peak demand.

Fennovoima said its claims currently total almost EUR2 billion (USD2 billion), while Rosatom said it is seeking USD3 billion from Fennovoima.

Brent gained 42 cents, or 0.4%, to $96.90 a barrel, WTI rose 40 cents, or 0.4%, to $90.76 a barrel.

Russia’s Gazprom will halt flows on its key Nord Stream gas pipeline for three days of repairs on Aug. 31, again raising concerns it won’t return after the work.

Russian gas company Gazprom has announced it will halt gas supplies to Europe via the Nord Stream 1 pipeline from 31 August to 2 September 2022, quoting maintenance issues for the pipeline’s only remaining compressor.

Russia is now China’s top supplier of the fuel, supplanting Indonesia after the Southeast Asian nation deterred buyers by raising prices.

Brent fell $1.60, or 1.6%, to $95.12 a barrel, WTI were down $1.56, or 1.7%, at $89.21 a barrel.

Benchmark futures rose as much as 16%, also driving up electricity prices to fresh records. The key Nord Stream pipeline will stop for three days of maintenance on Aug. 31, again raising concerns that the link won’t return to service as planned after the works.