Overcome difficulties to bring electricity to Lai Son Island

Southern Power Corporation (EVNSPC) along with contractors are now trying to overcome difficulties for construction of 110 kV transmission line crossing sea to connect national grid to Lai Son island commune (Kien Hai District, Kien Giang Province).

Back stretching to cross the sea

The construction of the project to supply power from the national grid to Lai Son island commune started in the beginning of September 2015. To speed up the construction, EVNSPC and the contractor had to construct tower foundations at two directions over the sea. Upon completion of these foundations, the contractors will carry out immediately the tower erection and overhead line stretching, ensuring to bring power from the national grid to residents on the island on the occasion of 30th April 2016.


Consortium of bidders including Kien Giang Mechanical JSC and Cienco1 deploy to  pile tower foundations of 110 kV transmission line crossing the sea - Photo: Dinh Hoang.

Civil works package for tower foundations from the mainland towards Lai Son island (consisting of 17 towers) will be performed by the consortium of Kien Giang Mechanical JSC and Cienco 1.

Mr. Nguyen Trong Duc- chief commanders said they were currently conducting trial piling at each foundation position; after the functional units finished verification, the contractor would pile on a large scale; each foundation will have an area of ​​100 m2 with from 20 to 35 piles, depending on the actual geological condition of each tower location.

Mr Duc also said that, unexpected weather and billowy sea caused troubles for construction works, the progress was slow down compared to the plan. “Therefore, we have to strengthen the force, assign additional working shifta to speed up the progress whenever weather conditions are favorable. In addition all necessary machines and equipment are available, there are always around 60 to 80 engineers and workers at the construction site to simultaneously perform many different parts of works"- said Mr. Duc.

For the other side from the Lai Son island, Lung Lo Construction Corporation – the contractor who build 31 tower foundations from Lai Son towards mainland is now in expeditious progress. The activities of strengtherning formwork of foundation, wall, tower;  strengtherning steel net floor for trial piling, positioning frame; establishing monitoring system; producing trial piles; dredging channels, positioning the foundation center etc...are being deployed.

Representatives of the contractor said the carrier had gathered enough number of piles for trial test, including 62 piles for all 31 towers and also deployed to install steel net floor for the trial piling at each tower positions.

"Longing for power from the national grid everyday"

Lai Son station has 3 generators with total capacity of 1.3 MW, however, only two machines are in use, the other is for spare. Capacity of these 2 machines only ensure lighting at minimum level for people’s living, so at peak hours, if a few families turns on air conditioners, voltage drop will happen. Electricity demand for production of people on the island is huge and the current generators could not meet that demand.


Many people on the island began to develop business investment - Photo: Dai Duong.

For years, people on the island have used electricity from diesel generators. Previously electricity tariff ranged from 3,000-4,000 VND/kWh. Since July 2014, the Government applied a policy to reduce electricity tariff on island to be equivalent to the tariff applied in the mainland, the burden of electricity bills of people has been lightened. However, for the time being, the generators work only 15 hours a day, there are obstacles for the use of electrical appliances in the families and the lifespan of electrical appliances also falls sharply.

In the desire for the national power grid on the island, there were families expected to boost production and business. Ms. Truong Thi Mau, House B Hamlet said about half a month ago, her family bought a freezer for ice cream business. She said: "The kids here love ice cream and I want to sell a long time ago but still afraid of the unstable electricity supply. Now learning that national power grid will come soon, I bought this freezer... ". On the island, the services that required electricity such as building and repairing fishing boats, computer services, electronic games, travel logistics services, etc… also flourishes along with the existence of the national power grid.

And the landlord of Thanh Tu hostel (House A hamlet) calculated: "When national grid reached the island, more tourists will come to the island, so my family has invested over 2 billion VND to build the hostel".

On the docks, while waiting for ship to land, we saw for each ship from the mainland to the island, there were at least two or three people bringing electrical appliances, including air conditioner, a product that previously, people on the island rarely knew about. Then in near future, when the national grid comes to the island, certainly the daily life and production business of local people here will have many changes.

Mr. Pham Ngoc Le - EVNSPC deputy general director  shared the construction of 110 kV line to bring electricity to the Lai Son island with total investment of over 484.5 billion VND, upon completion, will supply electricity to 2,000 households on this island.

In 2018, EVNSPC will continue the second phase of the project, which includes construction of a transmission line to bring electricity from the Lai Son island to An Son island and Nam Du archipelago.


Lai Son island, Kien Hai district, Kien Giang province:

* Located in Ha Tien Bay of Southern West area of the country.

* Located 60km away from Rach Gia city to the Southwest

* Natural area of ​​1,095 hectares with about 2,000 households (population of 8,120 people).

* People on the island live mainly on mining, fishing, farming, livestock and services.

  • 16/02/2016 01:54