Ember<\/a>. This transition to \u00a0renewables\u00a0 has led to an average wholesale price that is 32% lower than the European average. Yet, a puzzling question remains: why are consumers still facing high electricity bills?<\/p>\n<\/p>\n
Breaking It Down<\/strong>\u2014Since 2019, Spain has doubled its renewable energy capacity by adding over 40 GW of solar and wind power. By the first half of 2025, clean energy accounted for 46% of generated electricity. However, a significant event on April 28, 2025, exposed the vulnerabilities of this renewable transition\u2014the \u00a0great blackout\u00a0, which plunged large areas of the country into darkness for hours. <\/p>\n<\/p>\n
The preliminary report from \u00a0ENTSO-E\u00a0 ruled out renewables as the direct cause of the blackout. However, it uncovered a significant problem: the Spanish energy grid was unprepared for the growing amount of \u00a0intermittent generation\u00a0 without adequate flexibility. Following the blackout, Red El\u00e9ctrica has been operating the system in “reinforced mode,” which has involved increasing the use of \u00a0combined gas cycles\u00a0 to stabilize voltage. This risky strategy has significantly increased costs, with gas-based network services comprising 57% of the final electricity price in May 2025, as opposed to the usual 14% prior to the blackout.<\/p>\n
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<img alt=\"One of the big problems of Spain and the blackout is its energy isolation: that is about to change\" width=\"375\" height=\"142\" src=\"https:\/\/i.blogs.es\/5a7049\/guia-de-imagenes-destacadas-1-\/375_142.png\"\/><\/code><\/pre>\n<\/div>\n<\/div><\/div>\n<\/div>\nIdentifying the Core Issue<\/strong>\u2014While Spain is generating more clean energy than ever, it struggles to maximize its use. The lack of a robust grid, insufficient storage capacities, and limited interconnections leave thousands of megawatts of solar and wind energy \u00a0untapped\u00a0. Following the blackout, curtailment has drastically increased, tripling from 1.8% to 7.2%, as per Ember’s insights. This indicates that excess renewable energy is being “thrown away” rather than utilized effectively. Furthermore, Spain’s investment in battery technologies has lagged behind, positioning it fourth in the energy market yet thirteenth in battery capacity with merely 120 MW installed, despite plans for 16,000 MW by 2030. This discrepancy highlights the structural issues within Spain’s energy investment framework, where only \u00a030 cents\u00a0 are allocated for grid improvements for every euro spent on renewables, falling below the European average. Essentially, Spain has more sun than wires.<\/p>\nThe Economic Toll<\/strong>\u2014The underlying issues are not just technical; they are economic. The transition to operating in reinforced mode since April 2025 has cost consumers an astounding additional \u00a0billion euros\u00a0. With further regulatory approvals anticipated, the financial burden could escalate another \u00a03 billion euros\u00a0, resulting in higher fixed rates for consumers, as stated by the UNEF in an interview with El Espa\u00f1ol. The costs associated with managing the grid \u201cin tension\u201d are directly passed on to consumers, regardless of the lowering wholesale prices. Ember\u2019s report indicates that the wholesale price only constitutes about half of the electricity bill (the energy component). The remaining components\u2014network costs, taxes, and system stability\u2014do not see reductions in response to decreasing wholesale prices, leading to a frustrating disconnect for consumers.<\/p>\nThe Threat of Future Blackouts<\/strong>\u2014Just six months post-blackout, concerns reemerged about potential future outages. Red El\u00e9ctrica warned about ‘sudden voltage variations,’ urging the CNMC for immediate modifications to operating procedures. These changes include greater flexibility in operations and stricter voltage control to mitigate risks. Despite reassurances from the REE that no imminent blackout looms, anxiety persists among consumers. Every passing day under these conditions adds to the cost burden passed on to customers, making the shadow of the blackout ever more ominous\u2014less visible but increasingly expensive.<\/p>\nMoving Toward Sustainable Solutions<\/strong>\u2014Following the blackout, a reform package (Royal Decree-Law 7\/2025) was adopted to enhance network stability and promote energy storage. While the decree faced rejection in Congress, many of its elements are being implemented through alternative means. Notably, the installation of eight synchronous compensators has begun. These devices stabilize voltage without relying on fossil fuels, coupled with a target of 2,600 MW of battery capacity, a project with 340 MW already approved. Ember estimates that the new compensators will involve an investment of \u00a0750 million euros\u00a0 but will save approximately \u00a0200 million euros annually\u00a0 by reducing reliance on gas services.<\/p>\nThe Contradiction of Renewable Energy<\/strong>\u2014Spain embodies a paradox in energy\u2014simultaneously securing some of the lowest electricity costs in Europe while dealing with one of the highest consumer bills. The challenge is not merely producing more renewable energy but ensuring its reliable delivery and fair pricing. Achieving this balance hinges on further developing grid infrastructure, enhancing stability, and building trust among consumers.<\/p>\n\n
As Spain navigates its transition from conventional energy to renewables, it bears witness to both the potential and pitfalls of this journey. While the initial strides toward a cleaner energy future are commendable, the ongoing challenges must be addressed for the benefits of renewable energy to reach consumers effectively. The focus should now shift towards improving infrastructure and ensuring a stable energy supply to secure a sustainable future for all.<\/p>\n<\/div>\n
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General News – 2<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Spain\u2019s Energy Revolution: Unpacking the Challenges of the Transition Spain stands as a unique example in Europe, managing to significantly reduce the influence of \u00a0gas\u00a0 and \u00a0coal\u00a0 on its wholesale electricity prices. In 2025, only 19% of electricity generation hours were reliant on these traditional energy sources, a dramatic reduction from 75% in 2019, as […]<\/p>\n","protected":false},"author":1,"featured_media":176801,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36399],"tags":[706,6229,1845,57,1857,4492,2145,30674],"class_list":["post-176800","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology","tag-clean","tag-costs","tag-electricity","tag-energy","tag-market","tag-paying","tag-reduced","tag-stability"],"_links":{"self":[{"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/posts\/176800","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/comments?post=176800"}],"version-history":[{"count":0,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/posts\/176800\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/media\/176801"}],"wp:attachment":[{"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/media?parent=176800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/categories?post=176800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/teknomers.com\/en\/wp-json\/wp\/v2\/tags?post=176800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}