The University of La Laguna discovers where light is born

CANARY ISLANDS7 The Gran Canarian palms

A space of 477,500 square meters where every day the miracle of producing an element as essential as electricity is performed, which allows businesses, homes, schools, etc. to be powered.
Behind this complex process, 200 workers with different specialties take care of even the smallest detail so that supply and demand are perfectly balanced. It is a task that requires concentration, millimetric operations and decision-making in a fraction of seconds.

In addition, if the wind and solar radiation conditions are favourable, what experts call the coupling and uncoupling operations begin, a delicate maneuver that allows the thermal energy to be disconnected and hooked up to renewable energy, when it is It is present and is associated with thermal power plants, as well as the opposite operation when the renewable contribution decreases.
Endesa incorporates more and more the power of the wind and the sun in its energy park, replacing the thermal power that is more polluting. And, at the same time, it incorporates new elements to diesel groups and combined cycles to reduce polluting emissions..

"We must bet on involving Canarian society in the Energy Transition model that we want and explain very well everything that can be done," said the rector Rosa Aguilar.

“During the transition until the energy we use is fully renewable, thermal energy will play a very important role in guaranteeing supply, which is why it is important to explore the use of fuels with lower CO2 emissions and more respectful of the environment. » explains Saúl Barrio, head of Generation in the Canary Islands. And, precisely with this premise, Endesa is advancing in its decarbonisation plans at power plants no later than 2040, what we already know as the transition of 'thermal manageable generation'.

This was confirmed recently during a visit to the facilities of the Granadilla thermal power plant,
Rosa Maria Aguilarrector of the University of La Laguna,
Ernest Peredavice-rector for Culture, Social Participation Campus Ofra and La Palma,
Juan Albino MendezVice Chancellor for Research, Transfer, South Campus and Santa Cruz, Ricardo Guerrero, ULL Professor,
Agustin Manuel Delgadofull professor ULL,
Oscar GarciaULL doctor assistant and Francisco Ramos, ULL professor.

On behalf of Endesa, the general director of the company in the Canary Islands, Pablo Casado, the director of Institutional Relations, José Manuel Valle, the head of Enel Green Power in the Canary Islands, Alessio Marconi, the director of the Distribution area in the Canary Islands, Carlos Lafoz, the director of Generation in the Canary Islands, Saúl Barrio, and the director of Generation in Tenerife, La Gomera and El Hierro, Manuel Rubias, who acted as master of ceremonies during the bus tour of the power plant in the south of Tenerife, showing how it works the complex gear of a thermal power plant and basic enclaves such as the control center, the turbine building, the boilers, the chimneys, the sulphidation pond, etc.

Centralgranadilla is a
central located in the south of
Tenerife and that uses different generation technologies. It consists of 2 steam groups and 2 diesel engines that work with fuel. It also has two gas turbines and two combined cycles that run on diesel. Granadilla is currently the power plant with the highest installed capacity in the Canary Islands, similar to Barranco de Tirajana. It has a gross installed power of 750 MW. And, at present, all the operations of Endesa's thermal generation area on the island of Tenerife are carried out centrally from the Granadilla control area.

In 2003, the groups that are part of a combined cycle came into production. It is the first combined cycle in Tenerife.
This combined cycle uses diesel as fuel and in its day was installed for the use of natural gas, according to the energy planning of that time, when the Ministry of Energy Transition -with powers in this matter- authorized the use of this fuel in the Canary Islands.

Raw material suppliers, service companies and Endesa employees work hard every day at the Granadilla plant, which has become an infrastructure in permanent movement. Their work is essential to guarantee electricity to the Island 24 hours a day, 365 days a year. And the operators assigned to the control room know a lot about this permanent dedication, a space that resembles the operation of an authentic health ICU. State-of-the-art technology combined with the eyes and knowledge of the technicians in the room, vigilant of any ups and downs in power or the slightest incident in the production groups. Each movement is measured to the millimeter.

One of the critical moments in the plant occurs during shedding operations that entail the loss of generationdue to variations in the intensity of the wind due to weather conditions, with the disconnection of wind turbines and whose power has to be stabilized by the manageable generation of the Granadilla de Abona plant.

For her part, the rector of the University of La Laguna, Rosa Aguilar, stated at the end of her visit to the Granadilla de Abona plant that
had been able to verify Endesa's commitment to decarbonization and that "we must continue working along these lines and withdraw the groups that are already overage and that the regulations be modified in this regard. From the University we are committed to providing young talents trained in this sector and in renewable energies». At another time, Aguilar was in favor of the fact that the Energy Transition and its process should not be left only in the hands of politicians, companies and REE, but that all the evolution and the ways to work should be explained to society and that it be to society who can decide.

With an eye on the energy transition

José Manuel Valle, director of Institutional Relations and Technological Innovation of Endesa in the Canary Islands and Manuel Rubias, director of Generation in Tenerifegave a conference addressing the topic: '
Energy Transition in the Canary Islands'. For Valle Feijóo, an engineer by profession, the solution to the increase in energy prices and the deterioration suffered by the Planet as a result of emissions, «is to tighten the accelerator of renewables in the Canary Islands and in the rest of the territories as much as possible. Endesa is committed to decarbonisation no later than 2040. We already have 85 percent of peninsular generation decarbonised, but in the Canary Islands we have not been able to make as much progress as we wanted. We must work on the energy transition until we achieve that all energy comes from clean production sources."
In addition, it insists on the great evolution of batteries in costs and the Canary Islands would achieve a totally decarbonized system "occupying 1.9 percent of the entire territory with renewable energies or, what is the same, 15 percent of the surface uncultivated agricultural It is not a great territorial cost for the enormous problem that global warming represents and the threat it poses to life on earth».

José Manuel Valle reduces the mix to four lines to achieve complete decarbonization in the Canary Islands:
hybridize renewable electricity generation with battery storagewhich marry better with
solar generationtechnologies are required that contribute
occasional backup at an efficient cost And lastly, you need
minimize the environmental impact and land occupationtaking advantage of self-consumption as is already being done and exploring offshore technologies when they can be developed.

In the last three years, the Canary Islands have advanced at a rate of implementation of 50 MW/year of renewables, and we must advance at a rate of 500 MW/year to reach the goal in 2040.
“Therefore we must do everything possible with the technologies that are already available, which are mature and efficient, without waiting for new technologies to come tomorrow, no matter how promising they may seem, because they will also have their difficulties and we would run a greater risk of not reaching the objective. in 2040”, argues José Manuel Valle in his presentation on the Energy Transition marked by Endesa.

About Endesa

Endesa It is the first electricity company in Spain and the second in Portugal. It is also the second gas operator in the Spanish market. It develops an integrated business of generation, distribution and commercialization, and also offers, through
Endesa X , value-added services aimed at the electrification of energy uses in homes, companies, industries and Public Administrations. Endesa is firmly committed to the
United Nations SDG and, as such, decisively promotes the development of renewable energies through
Enel Green Power Spainthe digitization of networks through
e-distribution, and Corporate Social Responsibility. In this last area we also act from the Endesa Foundation. Our human team totals around 9,260 employees. Endesa is part of Enel, the largest electricity group in Europe.

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