#Strategy and business planning #Energy Systems Advisory #Transaction advisory and due diligence #Transmission & Distribution

Muruntau Substation Modernisation and Smart Grid Study – Due Diligence of Proposed Projects

Client: Pöyry / EBRD
Country: Uzbekistan
Start Date: 04 / 2019
End Date: 09 / 2019

Uzbekenergo is increasing interconnections between the main hubs of energy demand and the power plants, as well as increasing transmission voltage from 220 kV to the 500 kV, for the improvement and voltage increase of the transmission lines from the Navoi plant to the mining and industrial hub of Besopan, which also includes:

  • construction of a 177 km 500 kV transmission line from the Navoi power plant to the “Besopan” switching point, along with the necessary additional equipment at “Besopan”;
  • construction of 500 kV open switchgear at the Navoi gas-fired power plant;
  • construction of 500/200 kV substation at Muruntau.

The new transmission line will be initially operated at 220 kV until the switchgear and the Muruntau substation are completed, at which time it will be switched to 500 kV. EBRD hired the Consultant in order to carry out a technical due diligence of the Project, to confirm its technical viability, risks and mitigants, as well as to opine on the implementation approach in line with the EBRD’s requirements. The Consultant will also review and recommend viable Smart Grid upgrades to the portion of transmission network directly related to the Project.

Services provided:

  • Review and analyse the recent years’ power loads as well as the forecasts for the medium to long term future in the areas where the new grid interconnections (and thus the substation) are going to be built, based on which the Project will be justified
  • Review and analyse the existing investment projects and plans of the company in terms of technical, environmental and financial viability (with particular focus to the substation but more broadly also looking at the associated facilities)
  • Perform a detailed estimation of the expected physical and economic benefits from implementation of the Project, including achievable connection capacity and availability improvements, reliability, losses reductions and energy efficiency (including ability to connect electricity supply from renewable energy sources as well as from high-efficiency state-of-the-art gas-fired thermal power stations)
  • Review the procurement strategy for the project, particularly with regard to cost estimation and planning of the procurement of the required services and equipment
  • Perform a “gap analysis” and propose additional investments in line with international best practices and in the prospect that the relevant networks will be part of a Smart Grid system on the long term
  • Perform an estimation of the expected costs and benefits associated with the proposed Smart Grid upgrades, including achievable operation capacity and availability improvements, reliability, losses reductions and energy efficiency etc.

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