The Belarus and Polish sections were completed in September 1999 .
The pipeline reached its rated annual capacity of about 33 billion cubic metres ( 1.2 trillion cubic feet ) of natural gas in 2005 , after completion of all compressor stations .
The Belarus and Polish sections were completed in September 1999 and the pipeline reached its rated annual capacity of about 33 billion cubic metres ( 1.2 trillion cubic feet ) of natural gas in 2005 , after completion of all compressor stations .