BTW  proudly holds the followings records:

• No single 500kV Transformer Failures, not even test floor failure, since 1983 with 971 units in operation world wide;

• No Single 750-1000kV Transformer Failures, not even test floor failure, since 2002  with 83 units in operation world wide;

• No single 500kV HVDC and 800 HVDC Converting Transformer Failure, not even test floor failure, since 2005 with 47 units in operation world wide;

• No Single Phase Shifting Transformer failure, not even test floor failure, since 2003  with 83 units in operation world wide;