Morocco opens tender for 1,000 km UHV transmission line

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Morocco’s National Office for Electricity and Potable Water (ONEE) is running a tender for the construction of an ultra high voltage (UHV) alternating current (AC) power line.

According to a notice published on the office’s website, the power line will connect the regions of Boujdour and Tensift, transmitting approximately 2 GW of renewable energy over a distance of around 1,000 kilometers.

The first stage of the tender is a pre-qualification round, with prospective applicants invited to submit bids by Jan. 15, 2026. ONEE will then select contractors to participate in the second stage of the tender, which will be carried out under an engineering, procurement and construction model.

The chosen contractor will be responsible for the design, construction and commissioning of the project under a turnkey contract. Commissioning is currently scheduled for December 2028.

The Boujdour-Tensift UHV link forms part of a broader set of major electrical infrastructure projects currently in operation, under construction or in development by ONEE. Among projects under development is a high-voltage direct current (HVDC) set to connect Morocco’s south and central regions.

There are currently over 30,000 km of operational UHV power lines in Morocco, according to figures from ONEE. The office is currently constructing a 400 kV double-circuit line set to be commissioned by mid-next year that will allow for the transmission of an additional 900 MW of power, primarily from new wind farms currently under construction.

Last month, a study by the Rabat-based Imal Initiative for Climate and Development concluded that Morocco could install up to 28.6 GW of distributed solar, producing 66.8 TWh of electricity and creating a $31 billion market.

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