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Government suggests reducing the production of thermoelectric plants in times of excess energy.

Written by Paulo S. Nogueira
Published 14/11/2023 às 08:57
Plants - thermoelectric - MME
Thermal power plant/ Source: Diálogo Chino
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MME proposes flexibility in thermal plants; nine of them meet the established criteria.

O Ministry of Mines and Energy presented a proposal to reduce the inflexibility of plants thermoelectric contracted in the regulated environment. The objective is to reduce costs and optimize the use of these plants in scenarios of surplus energy supply in the National Interconnected System (SIN).

Contractual inflexibility in thermoelectric plants is the minimum amount of energy generation that must be produced in accordance with the Electricity Trading Contracts in the Regulated Environment (CCEARs), without depending on the decisions of the National Electric System Operator (ONS). This reflects the contractual conditions of the fuel used, which generally have payment clauses independent of consumption, known as take-or-pay.

Public Consultation on Guidance Guidelines Proposal of Ordinance

O Ministry of Mines and Energy (MME) began opening a public consultation on 13/11, which will last 20 days, with the aim of receiving contributions related to the guidelines of proposal concierge. The focus of the consultation is to enable the adoption of the new rules by ninewithoutthose that are already in commercial operation and were hired in the regulated environment.

INDUSTRY AND TRADE – FREE MARKET

INDUSTRY AND TRADE – FREE MARKET

O Ministry of Mines and Energy emphasizes, in a technical statement, the importance of reconciling the interests of the system as a whole with sectoral agents.

In situations where there is an excess supply of sources renewable, generators contracted by availability have the option of requesting a reduction in inflexibility of the contract for a specified period. This may result in decreased contract revenue in the regulated environment.

On the other hand, the operator of thewithoutwill have the freedom to negotiate or find another way to use the fuel which would originally be intended for the operation of thewithouta, without compromising the availability of the same in case of need National Interconnected System (without) in dispatch situations by the National Electric System Operator (ONS).

O Ministry of Mines and Energy (MME) highlights that this flexibility will allow the operator to generate revenue through the commercialization of fuel, providing greater flexibility in asset management, and, in the case of natural gas, could even contribute to increasing market liquidity and the eventual creation of a potential secondary market in the future.

The reduction in generation of the energy by inflexibility will be advantageous for the distributor who hired auwithouta, resulting in the acquisition of a smaller amount of the energy No. Short Term Market. This will generate savings for the distributor.

Furthermore, consumers of these distributors will no longer pay part of the fixed income of thermoelectric in the regulated contract, providing protection against price increases short term market. In this way, consumers will be safeguarded against overcharges compared to the ordinary contractual situation.

Definition of Price and Deadline for Exporting Energy

The determination of the value will be based on the decrease in the Fixed Revenue payment linked to energy contracts (in R$/MWh). As for the deadline, a limit of up to two months will be established. Uwithoutthose who request the export of the energy to neighboring countries simultaneously will not be eligible to participate in this process.

This operation would be conducted and managed by the ONS and the Chamber of Commerce of Energy Electric (CCEE), with supervision by the Electrical Sector Monitoring Committee (CMSE), according to specific rules to be developed based on the guidelines of the ordinance proposal.

O Ministry of Mines and Energy (MME) noted that the National Interconnected System (without) is going through energy surpluses due to the favorable situation of hydroelectric reservoirs and the increase in generation of the energys renewable, such as wind and solar. In this context, the uwithoutas thermoelectric may be generating the energy even without systemic demand.

The MME points out that the existence of energy surpluses can intensify competition between sources of energy generation the energy and make it difficult to fully allocate availabilityenergy sources to meet the demand for the energy.

According to the folder, inflexible thermoelectric generation can cause turbineable spills in hydroelectric plants, resulting in the waste of natural resources. Furthermore, it can cause restrictions in the flow of the energy of uwithoutwind or solar, leading to inefficiency for the National Interconnected System (without). This becomes even more problematic when we consider that the operating costs of thermal plants are higher than those of renewable.

The objective is to preventwithoutmanage them the energy inflexibly due to contractual reasons, especially when the electrical system is already being supplied by cheaper sources. This prevents the generation of the energy by uwithoutas thermoelectric result in excess the energy. Therefore, it is important to ensure that the generation of the energy be adjusted according to the demand of the electrical system.

Source: EPBR Agency

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Paulo S. Nogueira

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