The Senate has launched an investigation into transactions related to the Mambilla Hydroelectric Power Project from 1999 to date.
The resolution was adopted on Thursday following a motion moved by Senator Manu Haruna, representing Taraba Central, on the urgent need to address the challenges of commencing the project.
Lawmakers highlighted the failure of previous governments to prioritize the national project, which can generate 3,050 megawatts and reposition the Ajaokuta Steel Complex with $1.7 billion.
The upper chamber also resolved that in reviving the project, the original idea of a 3,000-megawatt capacity should be maintained.
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Several individuals are facing prosecution over the abandoned project.
Former Minister of Power and Steel, Olu Agunloye, is being prosecuted by the Economic and Financial Crimes Commission (EFCC) before Justice Jude Onwuegbuzie of the Federal Capital Territory High Court on seven counts related to the fraudulent Mambilla Power Project contract award amounting to $6 billion.
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In May 2023, officers of the anti-graft commission arrested former Minister of Power, Sale Mamman, over an alleged N22 billion frauds.
Specifically, Mamman is alleged to have conspired with staff of the Ministry in charge of the accounts of the Zungeru and Mambilla Hydroelectric Power projects to divert N22 billion, which they then shared amongst themselves.
The Mambilla Hydroelectric Power Station is a 3,050 MW hydroelectric power project under development in Nigeria.
When completed, it will be the largest power-generating installation in the country and one of the largest hydroelectric power stations in Africa.
Constructed in 1982, the main Mambilla Dam is a large roller-compacted concrete dam and reservoir at 1,300 metres (4,300 ft) above sea level.