energy

How excess clean energy has tested the electricity grid in Spain

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This Holy Week has achieved a historical milestone in the energy sector in Spain: for the first time 100% could be covered of the electrical demand with renewables. However, behind this success there is a shadow that does not benefit the electricity grid: the Curtailment. Short. The phenomenon Curtailmentor “renewable cut”, occurs when there is an excess of electric production. Then, the system operator – in this case, the Spanish electricity grid – is forced to temporarily reduce or stop wind turbines or solar panels to maintain the stability of the network, According to EDP Energy. The root of the problem. Although there are optimal wind or sun, the REE must stop the renewable generation for two reasons. On the one hand, there may be excess production over hours that do not coincide with consumption peaks. On the other, As was already being discussedan energy inequality persists in the country: the “emptied Spain” produces and is far from the large consumption centers. As has detailed At eldiario.es, electrical networks were not designed to transport current volumes, creating bottlenecks that force production to stop. The waste. He Curtailment It is causing consequences that alert experts. According to Aurora Energy Researchlast year in Spain, 1.7 Renewable Energy TWH was wasted, sufficient to supply 600,000 homes for a full year. The worrying, as the study has indicated, this figure represents 13% more than in 2023, confirming an upward trend that, if not corrected, can be intensified in the coming years. An opening of solutions. Despite the cut there are different devices to be able to keep the network stable. First, continue building more large -scale storage systems through batteries either reversible hydroelectric plantsallowing to save the surplus to release it when necessary. Another system comes with an innovation of fingering by implementing Intelligent networks that combine IoT sensors with AI algorithms, capable of predicting excess production. These systems, complemented with digital twins that virtually replicate the behavior of the network, allow to optimize energy flows and reduce up to 30% spills, According to data collected by strategic energy. Crossing borders. Looking towards the neighbors, interconnections could be improved with France and Portugal to channel surpluses. As has pointed out In the school environment, these connections will allow the export of energy to be planned in advance, although currently its capacity remains limited. Forecasts Curtailment represents one of the greatest practical challenges of the Spanish energy transition. While Spain continues to beat records in renewable installation, the ability to take advantage of every kilowatt will make the difference between a truly sustainable energy model and another that, paradoxically, continues to waste part of its green potential. Image | Joan Grifols and Pexels Xataka | The production of renewables in Europe is so strong that it is forcing nuclear power plants to work

For the first time, 100% of Spain’s energy has been covered with renewables. The question is whether we can repeat it

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If a couple of years ago It was a utopia Talking to produce 100% renewable energy in Spain, last year, showed, together with Portugal, how to lead the energy transition with 82% clean electricity. But in a display of energy ambition, last Holy Thursday, April 17, Spain managed to produce 100% renewable energy. Short. At the end of 2024, Spain closed with an installed power of 132,343 MW in its electrical system, being 64.3% of the total renewables. Last Thursday, wind and solar energy covered with more than 100% of demand in Spain, According to the Spanish Electricity (Ree). Specifically, at 2:45 pm he reached the maximum peak at 114.42%. In data. According to the statistics of the Spanish Electricity (Ree)the maximum energy of that day was 114.52% renewable and wind along with the plot reached 100.29%; while, nuclear did not exceed 12%. For its part, like He explained The Xavier Cugat energy analyst, the minimum clean energy data were 55.89%, and the plot together with the wind reached 25.88%; On the other hand, nuclear energy did not reach 7%. Temporary nuclear closure. On Holy Thursday it was a fairly moved day, not only because of the steps of Holy Week, but because in terms of energy matter, the co -chip nuclear power was temporarily closed, leaving only two active nuclear, according to the middle the country. In total, five nuclear were stopped, which raised renewable prominence to more than 77% of the generation. And even with that scenario, According to Energy Analyst Pedro Frescothe situation was export and storage to the maximum, and even renewable energy was waste that was not generated. This context reopens the debate on the nuclear closure calendar. Faced with those who argue that turning off centrals implies more emissions, energy expert Xavier Cugat has sustained otherwise: “Eliminating nuclear does not imply more emissions; it is the only way to continue expanding renewables, which are the only ones that are reducing emissions here and worldwide.” In 2023, According to Irena data The world added 585 GW of renewables, compared to just 3.9 GW of nuclear. So is energy left over? With so many green gigawatts, the big question is what to do with energy when it is left over. Storage has become the great technical challenge and Spain has found a solution in its reservoirs. This system has doubled Its activity in the last 15 years and is key in network management, the last battery megaproject It is located in Gran Canaria. What if there is no sun or wind? In Germany they call it Dunkelflautea word that describes that perfect storm in which there are cloudy days without wind, so the renewable generation plummeted. However, in Spain, this scenario is less frequent. In addition to having a greater solar irradiation and strong wind gusts according to which areas of the country, the system has the support of hydroelectric energy acting as a great stabilizer. Although we still partially depend on gas at times of low generation, the truth is that there is no “Mr. Burns” willing to cover the sun. The problem is not the lack of light, but how to take advantage of it when it is left over. Symptom of something more or a day flower? More and more cases of countries are using 100% of their electrical demand with renewable, there are potential cases such as Denmark that wind production exceeds the total demand of the country or Portugal which managed to supply exclusively with clean energy for six days in a row. In the case of Spain, reaching this milestone does not seem a coincidence since it occurs in a context of strong renewable growth, reinforced infrastructure and improvements in network management. Everything indicates that it is not an anecdote, but a clear indication of a structural change that advances firmly. A historic day. And now what? 100% renewable energy production in Spain marks a milestone and the final destination projected for nuclear. Although it has been a stable source, its high cost, the waste it generates and the thrust of new renewable technologies question their continuity in the energy mix. The key to the future will be to build a more flexible electrical system, capable of adapting to renewable variability and backed by modern storage and network infrastructures. Image | Pexels Xataka | Almost a year working only with renewables. Thus Uruguay has managed to arm the rest of the world

Solar energy and the price of light are suffocating it

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Europe opted for the wind. For years, wind turbines were symbol of the energy transition in the continent; The spearhead of the European renewable industry. But something has been crooked. Wind energy, especially offshore, has stopped its expansion dry While photovoltaic solar grows wildlyapparently unstoppable. A very unequal career. After a few years growing in parallel, the plot beat wind in facilities at the beginning of this decade. Since then, he has been adding between four and five times more capacity than wind every year. They are complementary energies (the wind blows even at night), but it is being an unequal race. Not to say a beating. In 2024, Europe installed more than 65 GW of photovoltaic solar capacity. At the same time, expanded its wind capacity in 16 GWless than the previous year, but in the line of the last 20 years. The industry has gathered. 16,000 industry members gathered in Copenhagen a few days ago to discuss it, a new record of attendees at the Windeurope Biennial Conference. Giants like Orsted asked for a pact for marine wind: according to Bloombergthe most affected branch of the sector. They want long -term contracts supported by governments that guarantee fixed prices for electricity, which gives us a key to the problem: many projects do not take off for financial uncertainty. Wind energy (black) and solar (yellow) facilities since 2000. Image: Bloomberg Electricity too cheap? Europe already has so much renewable capacity that, when the wind blows, wind turbines flood the cheap electricity marketsinking prices (Sometimes until they make them negative), which discourages new investments. Without mechanisms to manage that oversu Green hydrogen production), Building more wind in certain European countries ceases to be profitable. It is not the only problem. Beef by the increase in steel price, the rise in interest rates and complex logistics to transport palas and towers, the wind industry has seen its offices fired. Building wind farms, especially in the sea, is today much more expensive than a few years ago. Wind is also exposed to greater bureaucracy and public opposition than solar. Permits to install wind farms remain a bureaucratic crucis in many regions (if not, tell Galicia). To which the local opposition is added due to the landscape impact, an obstacle that the solar panels (although they also have their own) raffle more easily. A solar sponator. While wind fight against wind and tide (never better), photovoltaic solar lives its golden age thanks, above all, to mass production in China. The oversight has Negative consequences for Chinese companiesbut in Europe we only see the good side: the solar panels are getting cheaperaccessible and efficient. They can also be installed almost anywhere: roofs, wasteland, facades … and its deployment is much faster and modular than that of a wind farm. Self -consumption and energy communities shoot thanks to these facilities, which also explains the decoupling between solar capacity and wind capacity. A global trend. In the rest of the world Three quarters of the same occurs. While global solar facilities grew 34% in 2024, wind turbines barely added 5% capacity. For Europe, which has a strong wind industry and very demanding climatic objectives, it is very bad news. Although solar grows faster, wind usually has a larger plant factor; That is, it produces more energy by megavatio installed throughout the year. They are also complementary energy sources: the wind usually blows stronger in winter and at night, just when the lot falters. We need both to decarbonize the network in a stable and safe way. In Xataka | Europe has installed so much renewable energy that now has an unusual problem: too cheap electricity

The universe is becoming more chaotic and we don’t know why. The main suspect is dark energy

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From the first moments after the Big Bang, gravity has shaped the matter, giving rise to the intricate structures that define our universe. Galaxies, galaxy clusters and galactic filaments have evolved in ways that They almost always agree with Einstein’s general relativity theory. But something does not fit. The universe is more messy. A Recent study Directed by cosmologists from the University of Pennsylvania and the United States Lawrence Berkeley National Laboratory points out that the universe has become “more messy and complicated” over time. There are fewer agglomerations of the subject that predict physical models. The research crosses two very different types of data observed by the Atacama Cosmology Telescope and the spectroscopic instrument of Arizona’s dark energy. Combining both maps, scientists discovered that almost the whole history of structure formation coincides with the predictions of Einstein’s gravity, except for a small discrepancy in the agglomeration of matter of more recent times; For about 4,000 million years. A cosmic tomography. To build a multidimensional vision of the cosmos, scientists started from the oldest light we can observe: The cosmic microwave backgrounda radiation from 14,000 million years ago, when the universe was only 380,000 years old. But the journey of this ancestral light has not been in a straight line. It has been diverting and distorting the gravitational attraction of mass structures such as galaxies clusters, a predicted phenomenon by Einstein and known as gravitational lens. Overcoming the map of these distortions with the distribution of galaxies has allowed cosmologists to infer how matter is distributed over time. “It’s like a cosmic computerized tomography,” said Mathew Madhavacheril, co -author of the study, In a statement. “We can look through different cuts of cosmic history and track how matter has been agglomerating at different times.” Something does not fit. The “agglomeration” of matter (measured by density fluctuations) seems to be slightly lower in the most recent times than the models predict from the early universe. Cosmic structures have been grouped less intensely than we expected. The researchers are cautious: it is a small discrepancy that could be the result of chance and not the test of new physics. However, if the deviation turned out to be A statistical anomalycould point to unknown physical processes that influence how cosmic structures are formed and evolved. One of the hypotheses is that It has to do with dark energythe mysterious force responsible for the accelerated expansion of the universe. Perhaps dark energy is affecting the formation of structures in ways that current models do not capture completely, acting as a powerful force that moderates the large -scale agglomeration. Image | NASA, ESA, CSA In Xataka | The Euclid European telescope is already historical: its first data revalidates Einstein and put the dark matter on the map

China controls the solar energy supply chain. Europe wants to change it with a huge factory in Asturias

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If you had ever thought about how form a solar panel Your process is not easy. This puzzle that passes from a Fine wafer to photovoltaic He has all his framework. Asturias will begin to manufacture this small piece, which is essential for its operation. The heart of a panel. A Catalan company, Sunwafebacked by Innoenergy, are in the process of building the first large bullion factory and wafer for photovoltaic solar panels in Spain. To do this, he has obtained an aid of 199 million euros from the Ministry of Ecological Transition, aimed at supporting this installation in Gijón, As Efe has had access. The company has obtained both public and private financing to develop this project. In fact, he has received one of the largest subsidies in the State in Asturias, within the framework of the government’s renewal call, which allocated 297.3 million euros to key projects in renewable energy, According to the trade. The first piece of puzzle. In this puzzle that is the process of manufacturing the solar panel, the plant will focus on silicon purification, its foundry to form ingots, and the subsequent cut of these bullion in thin wafers. All this and then send it to other plants with which the photovoltaic will form. As for the objective of the initiative, Sunwafe seeks to produce 2.5 billion wafers per year by 2030, which will allow you According to the voice of Asturias. The most standardized material. Solar cells They have experienced A radical transformation in recent years. In all this time, the element that dominates the sector remains silicon, since they are The standard in industries. Along the same lines, there are A boom with Perovskitas panelsbut silicon tandem cells are still the most promising for its generalized use. Zero dependencies. Today, China is the undisputed leader of solar energy export, how demonstrates an Ember study. However, this new factory raises a change in the photovoltaic value chain, reducing the dependence of this supplier and others for Spain and, in turn, the European Union, the European Union, According to RTPA. At the moment, the European Union Continue depending In much of China for the manufacture of their renewable energies, but projects like this can open a new path. An impulse for Spain. Although the country managed to close last year with a fee of Total renewable generation of 63.9%the production of materials has not yet settled after the rise of Chinese production. In this way, this new factory will become the third EU factory that will produce silicon wafers, how They have reported in New Spain. This opening in Gijón is a good example of the shy reindustrialization that institutions are looking for. Image | Peellden and Pexels Xataka | While the Portuguese enjoyed sun eclipse, their electrical system had a really bad time

How a German submarine cable is threatening to change energy control in Spain

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European energy infrastructure is one of the more interconnected in the worldone in seven electricity units It is marketed through terrestrial and submarine cables. However, electrical networks They need more connections and improvements to guarantee stability and energy safety. Now, a German company has decided to challenge the monopoly structure of Spain. German initiative. The Europe Link Development Company has proposed Apollo-Link, a project to create underwater interconnection between Spain and Italy. From the project page They have explained that it is an alternative to continue promoting networks in Europe and more in A context of energy crisis. In this way, the initiative would allow Italy to reduce its energy dependence and take advantage of the renewable energy of Spain. Connection so far. Currently, the interconnection of Spain with the rest of the EU countries is done through France, except with Portugal. The Spanish electricity grid has exclusivity in the transport of electricity, so the German project will challenge the monopoly structure. However, there are exceptions for private international interconnection projects that can be described as “Merchant Lines”. Merchant Lines. European legislation allows third parties outside of transport networks (TSOS) to develop international interconnections under the “Merchant Lines” regime, which is eximicated from the regulations of the Spanish electricity sector. However, these projects must meet certain requirements, and the technical-economic viability of the interconnection must be demonstrated. Despite the possibility of these private projects, the TSO always have preference to execute projects that conform to the official network planning. Economic impact. As The economist has been able to have accesswithin the energy sector they have warned about the implications of this project. While Italy would benefit from Spanish renewable energy, on the other hand Spain would experience an increase in electricity prices due to the greater exchange with other countries. The negotiation of economic terms and the distribution of benefits and costs will be crucial to avoid disadvantages for the country, as already It happened in full crisis of 2022. In addition, before the implementation of the project, thorough studies must be carried out to evaluate its impact on the networks of both countries. What will it consist of? Europe-Link Development has mentioned which seeks to facilitate the exchange of electricity between Spain and Italy. The objective is to link the electrical systems of both countries through an underwater cable of 660 kilometers and an exchange capacity of 2,000 MW. However, it is in a preliminary phase and needs the approval of the managers of the electrical networks of Spain and Italy, Electric and Terna, respectively. Image | Apollo-Link Xataka | Taiwan has just stopped a ship after cutting an underwater cable. The problem is that there are only Chinese citizens inside

A Peruvian farmer has seen a glacier from the Andes melts. So he has brought a German energy to trial

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The Peruvian farmer Saúl Luciano Lliuya has observed how Lake Palcacocha grows every year in Huaraz. This situation has caused the farmer issue for the overflow of the lake and ends affecting his community. However, instead of resigning, he has decided to take those responsible for this situation to court. An unprecedented case. Saul Luciano Lliuya has sued the RWE energy company before the German courts. In its demand, Lliuya has argued that this company is the one that emits the most issuance contributing to climate change, accelerating the melting of glaciers in its hometown, putting its habitability at risk, according to has collected Associated Press. The demand. Supported by the activist group Germanwatchthe Peruvian farmer wants RWE to pay around 17,000 euros ($ 18,520) for a flood defense project, according to He has reported Reuters. 10 years ago. The filing of the lawsuit was in 2015 in Germany and, two years later, the courts accepted it, According to EFE. During all these years, evidence has been collected to determine whether there is a direct relationship between RWE emissions and the risk of flooding in Huaraz. In addition, the trial has prolonged because the German company has used legal strategies, arguing that the responsibility for climate change cannot be attributed to a single issuer, such as They have explained to Associated Press. The defendant. The energy company has denied its responsibility on multiple occasions. From the company, have affirmed for DW that climate change is a global problem caused by multiple factors and that it is not possible to legally attribute its effects to a single entity. In addition, for the same medium, they have declared that if there is such claim according to German legislation, all drivers should also be considered responsible, and that it is a socio -political error. The evaluations. Among the collection of information that is being gathered for the trial, there is a 2014 study conducted by Greenpeace and the Climate Justice Program, in which RWE held RWE for 0.47% of global greenhouse gas emissions since the beginning of industrialization. In addition, different researchers have shown that greenhouse gas emissions have a direct impact on the melting of glaciers in the Andes, such as have detailed in The Guardian. Regarding the glacier, this has been melting in these last 36 years for climate change, according to A study by Nature magazine. Although this is not the only evidence, another scientific research has shown that the water level in Lake Palcacoha It has increased Since 1990. This situation can raise the risk of an avalanche, similar to what devastated Huaraz in 1941 and caused the death of 1,800 people. The beginning of the trial. On Monday, March 17, the trial began and, As Efe has advancedthe lawyer of Lliuya, Roda Verheyen, explained that if sentence is issued in the next session, scheduled for April 14, the necessary precedent will be obtained to go after other great pollutants. Image | Pxhere Xataka | There are still energetic ones that trace the system to inflate prices: the CNMC has just issued two millionaire fines

The greatest hidden potential of solar energy is not found in photovoltaic macrogranjas: it is on the roofs

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Climate change is one of the hot potatoes that humanity must face at the moment. Although in recent years measures have been promoted to mitigate our footprint, at the same time we have followed depending on fossil fuels that contribute to the temperature increase of the planet. The renewables And, specifically, the solar energy It is postulated as technology that can help us reduce these emissions. And a study published in Nature He points out that there is something better than filling the field of solar farms: the photovoltaic of roof. Limit. In 2015, the Paris agreement launched an ultimatum: the temperature increase had to be limited Global to less than 1.5 or 2 degrees Celsius. They soon left reports that were not nor close to getting it And I know He pointed out That, by the end of the century, the temperature increase would be 2.8 degrees. Since then, we have seen the impulse of an artificial intelligence that has needed to resort to fossil fuels or the Great oil company in the era of renewable transition. However, we have also seen the explosion of solar energy with Very cheap panels And every time more efficient. Next to wind, in 2023 provided 27% of EU electricity. Megagranjas. In fact, there are already countries that operate practically With renewable energies And, as we say, Solar plays a very important role in this story. Not surprisingly, in recent years we have seen the pharaonic photovoltaic farm deployment capable of generating a lot of energy. China goes to the head with plants that They look from spacebut there are few countries that already have huge areas of land dedicated to these panels or with in progress. However, there are those who think we can do better with the photovoltaic. RPV. They are the acronym of ‘Rooftop Photovoltaic’, or ‘PHOTOVOLTAICA DE ALBOTEA’, and according to a study by the University of Sussex, it would be the solution to stop gaining ground to the field with solar panels and take advantage of something we do not take advantage of today: millions of roofs. According to their accounts, made through geospatial data and artificial intelligence models, the roofs cover more than 286,000 km² of the planet. To put it in perspective, it is like the area of ​​countries like Italy that yes, it may not seem too much, but imagine a solar farm of the size of … well, from Italy. The orange areas represent 1,724 strategically selected cities for the development of predictive models with the aim of estimating the global roof surface Staked to fossil fuels. According to researchers, taking advantage of roof Electricity consumed every year), which would allow to almost completely replace fossil fuels. Not only should the plates be installed, but also adequate battery systems. According to its calculations, if that amount of territory was covered with solar panels, the global temperature could be reduced between 0.05 and 0.13 degrees before 2050. Beyond that gain, Felix Creutzig -one of the researchers at the University of Sussex -, considers that it would also contribute to having a cleaner air and greater energy safety, since we would be covered before specific demand peaks. Roof area in km² at macroregional and national scale Areas with potential. And, obviously, the plan would not go well if these panels are placed without ton or they are. In the study, it states that the ideal area to fill the roofs of buildings with solar panels is that of East Asia. The reason is the great density of buildings and the conditions of the area in terms of solar radiation. North America and Europe also have great potential and, combined, these roof plates would generate more than 4,300 GW. In perspective, it is about a quarter of global capacity. Another advantage would be the decentralization of energy, making countries less vulnerable to energy and geopolitical crises. Africa would also be a good site, but the problem is that the territory currently represents only 1% of photovoltaic facilities due to deficiencies in energy services and dependence on fossil fuels. Stick to Nuclear. But well, we are currently burning coal when we need fast energy to satisfy the peaks, but we also have nuclear. So much that there are countries that have not only expanded the useful life of their centrals, but the closing decision of those already have to produce energy for a few more years. As we read in PV-MagazineCreutzig affirms that “with an unleashed solar potential, it is difficult to understand how governments justify investment in nuclear energy or carbon capture projects that have not yet been proven.” However, although nuclear also has its advantages over the use of fossil fuels, such as its power or stability, it is evident that the calculations of Sussex researchers are very interesting in order to take advantage to generate energy spaces that, right now, are underutilized. And be careful, it does not only stay in a study, since the University of Sussex has been testing This on the roofs around them. Images | Nature, Cre In Xataka | A word explains how Germany solved solar energy on the floors. His name is Balkonkraftwerk and they enjoy it millions

Sell ​​green energy to AI

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The purpose of the oil companies in the face of a future seemed In the case of the British oil company BP. However, there are many other ways to follow the green path, and the Italian eni is a clear example. Short. The Italian oil company ENI has created two businesses focused on green artificial intelligence and carbon dioxide emissions, according to He has reported Reuters. In this way, two other oil initiatives that are underway are added: Plenitude and Enilivethat focus on renewable and biofuel energies respectively. Business model diversification. In this way, ENI has estimated that the profitability of their “green” businesses will reach two-digit figures in the next five years, with a performance comparable to that of the traditional oil and gas sector (15%-16%), as collect the Financial Times. A large project. The Italian oil company has focused its strategy on the use of supercomputing and AI to develop sustainable solutions. From its center in North Italy, the company operates The HPC5 supercomputerthe most powerful in the energy sector, together with an energy plant and a carbon capture installation. The objective is to sell processing capacity to technological companies that need to train AI models, but using low emission energy, thus reducing the environmental impact of these operations. Be more sustainable. The oil company It is advancing in the carbon capture and storage initiative (CCS), having almost three gigatons of CO2 storage capacity. An example that he is walking towards that direction is his Hynet North West project in the United Kingdom, which seeks to capture industrial broadcasts and store them in the Ireland Sea. Another market to open. Together with the oil company Malaysia Petronas, both They are exploring A new opportunity in the gas market. In fact, they have planned to join their deposits to create a joint business capable of producing the equivalent of 500,000 barrels of oil per day in natural gas. This operation would represent approximately half of the current production of ENI gas and is designed to supply Asian markets, such as China and India, where the demand for gas It is still increasing. Image | Flickr Xataka | The real reason why Russia, Venezuela and Iran continue to sell their oil: even with the sanctions it is cheaper

That solar energy stops growing in Spain

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This month will be remembered Like the rainiest, having water reserves in 65.8%, According to the miteco. However, it is not good news for solar energy that has fallen for the first time in three years. The data. According to the reports of the Spanish Electricity (REE), in the month of March, the Solar Generation He has reached 11% total, which represents a decrease with respect to the year 2024 (13.9%) and The year 2023 (12.8%). Heavy rains. We have had a couple of weeks that it is difficult to see the sun and it seems that You can extend even more. For this reason, one of the most harmed clean sources has been photovoltaic. However, other renewables have come out more than beneficiaries of this rain and wind, we are talking about wind and hydroelectric. Favored systems. On the one hand, wind energy It does not have the same capacity that photovoltaic, but when it comes to adverse weather conditions who eats the ground to solar panels are wind turbines. In fact, Ree’s real time data shows that wind is generating 46% wind energy compared to 12% of solar (These data may vary, since they are being taken when writing this article). On the other hand, as we mentioned above the total water reserve, this situation has allowed hydroelectric energy to have reached in what we have been 17.5%. However, it has not yet exceeded last year that achieved a level 21.5% of electric production, more than four higher percentage points. So how will my light bill be? Although solar energy always It had been key to the energy mixthis time the contribution of both wind and hydroelectric can be A small relief for consumers. However, like has denounced the OCU There are other factors that will make the light bill, such as The price of gas and electric tolls. Image | Flickr Xataka | Solar panels compared to 100,000 olive trees: in Jaén the neighbors are also protesting against renewable projects

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