National grid frequency control rises to 50.25Hz


The national grid has achieved frequency control between 49.80Hz and 50.25Hz consistently for 17 days, the Transmission Company of Nigeria (TCN), has said.

The development, which occurred between December 27, 2018 and January, 2019, TCN claimed was the best ever achieved in the history of Nigeria and West Africa.

TCN in a statement issued by its General Manager (Public Affairs), Mrs. Ndidi Mbah, put the percentage for the frequent control of the national grid at 85.55%.

 “Transmission Company of Nigeria wishes to announce that the National Grid has achieved frequency control of between 49.80Hz and 50.20Hz for64.47% of the time and frequency control between 49.75Hz and 50.25Hz for 85.55% between December 27, 2018 and January 12, 2019.

“The frequency control is the best ever achieved in the history of Nigeria and is also the best in West Africa as at today. The frequency control achieved from January 8-12, 2019, is the best so far by any power utility in West Africa.

“The Management of TCN decided to further stabilize the frequency after the Workshop on frequency control organised by the West African Power Pool in NigeriafromDecember 17-19, 2018.

“The Nigerian Grid Code Frequency Standard is 49.75Hz and 50.25Hz while the WAPP Frequency standard is 49.80Hz and 50.20Hz. Currently West African Power Pool operates three islands due to poor frequency control’’, the statement said.

In a related development, the Meeting of the Heads of States and Government of ECOWAS has approved the WAPP 2018 Transmission and Generation Master Plan.

The WAPP 2018 Master Plan is expected to provide 330kV line from Nigeria to Senegal and will enable Grid connection between WAPP and Central Africa Power Pool on the one hand and North Africa Power Pool on the other hand

The WAPP 2018 Master Plan includes, the Eastern Transmission Backbone which will put in place 330kV Double Circuit transmission linesand substations from Calabar-Ikom-Ogoja-Kashimbila-Jalingo-Yola-Hong-Biu-Damaturu-Potiskum-Azare-Dutse and terminate in Jogana (Kano).

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