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Heat wave and power outages: how much can the electrical system hold in the face of record demand

2024-01-31T20:19:49.479Z

Highlights: Heat wave and power outages: how much can the electrical system hold in the face of record demand. This Wednesday there was a mark close to the historical peak. Specialists assure that there is a risk of cuts due to lack of investments. What measures will be taken to deal with the heat wave in the City and Greater Buenos Aires . This Thursday, the temperature will reach 39°C. It will be the peak of the first metropolitan heatwave in 2024, which is estimated to persist for five more days.


This Wednesday there was a mark close to the historical peak. Specialists assure that there is a risk of cuts due to lack of investments. What measures will be taken.


This Thursday, the temperature will reach 39°C in the City and Greater Buenos Aires.

It will be the peak of the

first metropolitan heat wave in 2024

, which is estimated to persist for five more days.

But already this Wednesday, remote control in hand, Argentines, especially in the metropolitan area, combat the stress with their

air conditioners,

and questions begin about whether a good part of Argentina is about to

turn off

.

While some experts consulted by

Clarín anticipate that this

energy uncertainty

is "totally valid"

or others already mention that, during the next 24 hours, we are going to enter a kind of

"blackout alert"

.

With this choreography of splits

giving everything

so that we can endure the extreme pressure of the thermometer, how much can the energy system endure?

"This Wednesday the peak of energy consumption could be reached between 3 and 4 p.m. The forecast is

29,086 MW

. On Tuesday it was 26,920 MW, and the previous week's measurement was 21,661 MW.

We are in a potential risk area ( of cuts)

", analyzes for

Clarín

Salvador Gil, expert in energy efficiency and director of the Energy Engineering degree at UNSAM.

Heat wave in the City and the fear every summer due to the risk of power outages.

Photo: Emmanuel Fernández

If that happens, the record of maximum historical consumption

would be surpassed ,

the 29,105 MW that was reached on March 13, 2023, at 3:28 p.m.

That was an anomalous March due to the level of heat.

The exact past and present data comes from Cammesa, the wholesale administrator of the electrical system, which at 4 p.m. on the last day of this January already recorded a consumption of 28,296 MV.

Technically, it is called a "SADI lawsuit."

Acronyms that correspond to the Argentine Interconnection System.

"These days Argentina is going to be

one of the hottest spots on the continent.

Last year the country's electrical system demonstrated that it has certain weaknesses that suggest that this week

localized power outages could be repeated in various parts of the system

," he explains. Jorge Lapeña, former Secretary of Energy of the Nation.

The heat wave continues in the City and the risk of power outages increases.

Photo: Emmanuel Fernández.

Lapeña, who is president of the General Mosconi Argentine Energy Institute, presumes it but clarifies that "we will only know when we get through the week and draw conclusions."

What is certain is that "our electrical generation system, extra high voltage transportation, which is the backbone of the electrical system, and the distribution networks, especially in the AMBA,

tend to present significant failures on days high temperature

."

Heat, synonymous with cuts

It is not

silver pessimism

that the feeling that "the power will surely go out" is so deep-rooted, at least in the City and the GBA, when it is so hot.

It's experience.

"Our energy generation system is

obsolete

. In 2023 it was shown that a large part of the thermoelectric equipment was

unavailable

, for various reasons, such as lack of fuel, maintenance, or permanent breakdowns. This was not corrected in this Government and gives a

great weakness

in the system. We will see how it responds," diagnoses Lapeña.

As stated above, another failure, "the main one", according to those consulted, occurs in the

retail distribution of energy,

especially in the AMBA.

Julián Gadano, former Undersecretary of Nuclear Energy of the Nation,

details it to

Clarín .

"The problem with the Argentine electrical system is that it is

very stretched,

it has no reserve. It is made up of three parts: energy generation, its transportation and its retail distribution. In generation, it does not have much reserve, but I imagine that, as long as When no generator fails (like the Comahue plant), the problem would not happen there. On the other hand, it does happen in transportation, which is less than fair," Gadano begins.

"THE SADI (where consumer demand falls) is a system that works in condition

'N'

, that is, under normal conditions - he warns -.

You end up having just one problem and the system collapses

."

So why would everything be worse in retail energy distribution?

"The rates have been down for a long time, there is

little investment,

because it is not profitable, unlike what people think,

retail distribution is not subsidized

(generation is), and

it does not receive direct money from the State.

So when retail distribution networks are in high demand (like now, with massive air conditioning) the problem begins," he says.

From the National Electricity Regulatory Entity (ENRE), they told Clarín that by decision of its controller, Darío Arrué, work began on a series of "very important resolutions, in regulatory terms, for the electrical service."

They added that they will soon begin with an "improvement in the power factor at the consumption points, through the installation of capacitor banks."

In addition, they explained that the measure will be applied to the Edenor and Edesur concession area, "which is where we have competition."

The organization argued that they will be "medium and long-term" solutions, which will involve "the recovery of capacity in lines, cables and transformers, and a lower rate of outages due to cable and transformer breakdowns," among other solutions.

For Gadano, meanwhile, there are some certainties to anticipate.

"Focusing on the AMBA, with all the air on,

it will be worse for Edesur than for Edenor, because Edesur has a poorer quality network,

due to a historical lack of investment.

With this panorama, a single aspect could save us from cuts in the City.

" A new vacation period

begins

, there are fewer people in the AMBA. Many offices are not working. That the population is a little more distributed in other cities in the country, can help prevent there from being cuts. But it is a set of uncertainties" , close.

S.C.

Source: clarin

All life articles on 2024-01-31

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