The news is from the British Broadcasting Corporation.
There will be a cut in gas supplies to Europe because of maintenance work.
The current level of supply would be halved if another turbine is stopped at theNord Stream 1.
There was no technical reason for limiting gas supply.
It will make it harder for European countries to replenish their gas stores.
The Nord Stream 1 was completely shut down for 10 days for maintenance earlier this month, and has been running well below capacity for weeks.
The EU accused Russia of using energy as a weapon after Russia supplied 40% of its gas to Europe.
The European Commission wants countries to cut gas use by 15% over the next seven months.
The price of gas has gone up since Russia invaded Ukraine.
The latest reduction in supply is due to the "technical condition" of one of the last two operating turbine.
There is no technical reason for a reduction of deliveries, according to the German economy ministry.
The Kremlin blames Western sanctions for disrupting gas supplies to Europe.
Due to the delayed return of equipment in Canada, the gas flow throughNord Stream 1 has been reduced to 40% of capacity.
Our rules. "We don't play by rules we didn't create," Miller said.
It will be more difficult for countries to replenish their stores before winter when gas usage is high.
Over their refusal to comply with a Kremlin order to pay their bills in roubles, Gazprom has cut gas supplies to several countries.