Turbine generators at Shiroro Hydro electric Power Station repaired

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The Shiroro Hydro electric Power Station in Niger has repaired four of its turbine generators restoring the hydro power plant to full capacity to generate 600MW of power.

According Executive Vice Chairman of the power station Dr Olubunmi Peters, Shiroro Hydro electric Power Station has spent US$8.5m to repair the four faulted turbines.

The electric power station is located right on Kaduna River in Niger state. The power station has four turbine generators labeled 1, 2, 3 and 4. Each unit has a generation capacity of 150MW making the station have a total generation capacity of 600MW of power.

In November 2013, the station was handed over under a 30 years concession agreement with the Federal Government. It was in the same year when it was discovered that unit 4 of the station has water intake damage. The damage was recorded to be about 60m under zero visibility which was difficult to access and repair forcing the SHPS to cut down it power supply from 600MW to 450MW of power.

However, after several failed consultations with engineering companies, the station reached a solid agreement with a USA based company, Tetra Tech Inc., to assess the entire station and repair all the damages using the deep water Sona Technology.

A large piece of concrete measuring about 6mx2m was discovered in the scroll case of unit 4. Later down the line following disagreements with Tetra Tech Inc., the power station yet again stroke another deal with Sinohydro, a Chinese based company to complete the project.

Sinohydro has managed to get rid of the concrete piece lower the unit 4 production capacity. However, unit 4 is now fully restored to its full generation capacity of 150MW. According to Assistant General Manager Hydrology and Dams, Isaac Akanbi, the project is a great achievement so far.

However, the country’s power supply shortage has been linked to the frequent attacks by the Niger Delta Militants on power stations that uses gas to supply electricity across the nation.

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