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Politics & Regulation

ONS will hold an unprecedented bidding process for transmission network capacity.

The result brings together projects analyzed in the transitional phase of PNAST and in the first Access Season.

ONS will hold an unprecedented bidding process for transmission network capacity.

Photo: Tânia Rego - Agência Brasil/Divulgação

The ONS (National Electric System Operator) enabled 30,7 GW in requests for access to the Basic Network in 2026. In total, the agency has analyzed more than 43 GW since the establishment of the PNAST (National Policy for Access to the Transmission System).

Of the total amount submitted, 19,7 GW were made available during the transitional phase of the policy, which encompasses requests submitted based on articles 10 and 12 of Decree No. 12.772/2025.

At this stage, the ONS issued more than 180 Access Opinions. The documents relate to approximately 9,82 GW in generation requests and 13,5 GW in consumption.

Another 11 GW correspond to projects that were able to opt for the first Access Season of 2026. After the closing of the expressions of interest phase, on September 11, 3,42 GW received an indication of Direct Service.

Another 451 MW in consumer projects were submitted to the Competitive Bidding Process. The bidding will determine the allocation of 228 MW of remaining capacity in the transmission network of the state of São Paulo.

According to the Operator, this will be the first time that an available transmission margin will be distributed through this type of procedure. The process will have rules that are disclosed in advance and should guarantee equal treatment to interested parties.

The competitive process is scheduled for the afternoon of October 6th. The projects that received this nomination will be guided by the Operator on the procedures and steps necessary to participate.

After the results are determined, the ONS will hold the closing event for the first Access Season of 2026. The meeting is scheduled for October 7th in Brasília. The projects submitted for the competition are detailed in [link/document/etc.]. Relevant Announcement No. 06/2026.

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Wagner Freire
About the Author
Wagner Freire

Wagner Freire is a journalist graduated from FMU. He worked as a reporter for Jornal da Energia, Canal Energy and Agência Estado. Covering the electricity sector since 2011. Has experience in covering events such as energy auctions, conventions, lectures, fairs, congresses and seminars.

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