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Sustainable options promise to redefine Roraima’s electricity supply
On October 25th, during a special meeting of the Electrical Sector Monitoring Committee (CMSE), the National Electrical System Operator (ONS) outlined crucial recommendations to facilitate the import of electricity from Venezuela to Brazil. This action seeks to replace dependence on high-cost thermoelectric plants that supply the system in Boa Vista, the capital of Roraima. The main energy supplier for this initiative will be the Guri hydroelectric plant, located in Venezuela.
The importance of reliable data
For informed decision making, the ONS expressed the need for detailed and recent data on the Venezuelan Electric System. This step is essential to ensure the integrity of the joint operation between the two countries, especially as interconnection intensifies. It is worth noting that the information currently in the hands of the ONS is based on the last occasion in which Roraima was connected to the Venezuelan electricity grid.
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During the meeting with the CMSE, the ONS shed light on the pros and cons of two reliability criteria discussed to reestablish this connection with Venezuela's electrical system. The criteria examined include operating under the N-1 guideline, without power interruption in Roraima, and operation with controlled load interruption (with ERAC activation). The crucial point raised to ensure security in exchanging the energy is the ability of the connection to operate uninterruptedly. This means that the amount of imported energy must adapt according to demand, reaching, if necessary, values close to zero during periods of lower consumption in Roraima.
Prevention and safety first
To ensure stable interconnected operation, the ONS highlights the imperative of implementing a Special Protection System (SEP). This mechanism would have the function of disconnecting the interconnection in adverse situations occurring in the Venezuelan system, thus protecting both Roraima and Venezuela from possible disturbances in the electrical flow.
This movement, promoted by ONS, not only intends to optimize the costs associated with energy supply in Roraima, but also seeks to strengthen bilateral energy relations, ensuring a more sustainable and interconnected future for both nations.
Source: Fabio Cunha dos Santos.
