On March 1st 2013 after reading and recording the recording indications shown on the energy meters in Malutang Hydro-Power Plant and the 220kV Ha Giang Substation, both sides realized the electric volumes of February 2013 read on the main meter and backup meter of Breaker 272 in the 220kV Ha Giang Substaion were higher than on the main meter and backup meter of Breaker 293 in Malutang Hydro-Power Plant.
According to the Article 5 of the PPA No.YNPG-EVN/02-2011 signed by YNPG and Vietnam Electricity (EVN) and based on EPTC’s letter Ref: 478/EPTC-P5-P6 dated March 27th, 2013 about the Planning of Metering Fault Testing of 220kV Ma-Ha T/L and YNPG’s letter dated March 28th, 2013 about the Plan of Metering Fault Testing and Settlement Method of 220kV Ma-Ha T/L, the inspection teams of both sides checked. tested and analysed the profiles load from the main and backup meters of Breaker 272 and 293 from April 9th to 11th, 2013. After thorough analysis and discussion, both parties reached an agreement as follows: