EVN proposes to supplement many power grid projects to the PDP

11/11/2019 15:15:27 - views: 228

Electricity of Vietnam (EVN) informed: Recently, there a number of power grid projects for releasing power of solar and wind projects was completed over progress. However, to strengthen the ability of the power grids for releasing power of renewable energy (RE) in Ninh Thuan and Binh Thuan provinces, EVN proposes to supplement a number  of power grid projects in these provinces to the power development planning (PDP).
EVN proposes to supplement many power grid projects to the PDP
EVN proposes to supplement many power grid projects to the PDP

In recent time, in Ninh Thuan and Binh Thuan provinces there were put into operation 41 renewable energy projects with a capacity of 2,140 MW among a total capacity of 4,600 MW additionally approved by Prime Minister in Document No 1891/TTg dated December 27, 2018.
 
Immediately after the Prime Minister approving this Document, EVN urgently implemented investment with a timely or over the progress the additional power transmission grid projects in Ninh Thuan and Binh Thuan territories such as: increasing the capacity of 220kV Thap Cham station from 2x125MVA to 2x250MVA, adding a second transformer at Ham Tan 220kV station, building the new 220kV substation (2x125 MVA) with connecting lines in Phan Ri, new 220 kV substation (2x250 MVA) with connecting lines in Ninh Phuoc, and raising the capacity of 500 kV Vinh Tan and Di Linh substations.
 
In October 2019, the National Power Transmission Corporation (EVNNPT) completed raising the capacity of 220kV Thap Cham substation for one year ahead of schedule and investing in the second transformer of 220kV Ham Tan substation for 2 months earlier than the approved schedule.
 
However, the above 220kV power grid projects could ensure to release power of the additional solar and wind power projects approved until August 2018. In fact, from August to December 2018, there a number of RE projects was continuously added to PDP which caused full load or overload for a number of 110 kV and 220 kV grids in Ninh Thuan, Binh Thuan territories.
 
In order to strengthen the ability for releasing power of RE projects in Ninh Thuan and Binh Thuan provinces from 2020, EVN has just asked the Ministry of Industry and Trade (MoIT) to approve and to report to the Prime Minister (PM) for approving the following additional power grid projects to PDP:
 
1/ For MoIT to approve the 110kV Phuoc Thai - Phuoc Huu and Phuoc Thai - Phuoc Huu DL 1 lines with the technical characteristics and progress suitable with 220kV Phuoc Thai substation at a proposed capacity of 625 MVA.
 
2/ For PM to approve:
 
a. Assigning EVN as the project investor to implement increasing capacity of 220kV Phuoc Thai substation from 250 MVA to 625 MVA by 2020.
 
b. Assigning the investors of solar power projects in Binh Thuan province to implement investment in and operation management by 2020 for the 220kV Vinh Hao substation with a capacity of 250 MVA that will be constructing at the location of 110kV Vinh Hao 6 switching substation (Binh Thuan Province) and a 220kV shunt line with a length of 2x1 km transition connecting to a circuit of 220kV Phan Ri - Vinh Tan double circuit line.
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