Although it sounds like science fiction that the Spanish electricity market has come to pay for consuming energy, marking a historical record of -10 euros per megawatt hour (MWh) On a Sunday at three in the afternoon, the reality that reaches the mailboxes is very different.
Spain today boasts of having the cheapest wholesale electricity in Europe, surpassing powers such as Germany or France, but, paradoxically, households end up assuming a bill that is above the European Union average. The great paradox that frustrates citizens is evident: how is it possible to generate almost free electricity and end up paying for it at European luxury prices?
The silent revolution. To understand the miracle of the wholesale market, you have to look at the data in depth. As analyst Jan Rosenow details in his recent reportSpain has not just added solar panels and windmills on a fossil fuel base, but has replaced them. The turning point was the year 2022, when the sum of wind and solar energy generated more electricity than all fossil sources combined.
The secret of this price collapse lies in how the European electricity market works, where the latest technology that enters to cover demand (normally the most expensive) is the one that sets the price for all the others. During the last decade, that role was played by gas. However, renewables have pushed gas out of the equation: in 2022, gas marked the price 55% of the hours, while in the first four months of 2026, that figure has plummeted to a mere 9%.
The result is devastating: at the start of 2026, the average wholesale price in Spain was just €44/MWh. In that same period, Italy paid €127, Germany €96 and the United Kingdom €103.
The big question: Why don’t we notice it more? The short answer is that the price of energy is just one ingredient in the cake. According to Rosenow,the wholesale cost of energy represents only 41% of a typical Spanish domestic bill. The rest is a sum of network tolls (23%), VAT (17%), system charges (10%), electricity taxes and commercial margins. Cheaper wholesale energy is a necessary condition for lower bills, but it is not sufficient.
Added to this tax cocktail is a consumer behavior problem. According to expert Joaquín Coronado In a recent publication in LinkedInnational demand is practically “inelastic.” Analyzing a time period where electricity cost a paltry €0.51/MWh, Coronado observed that there was no additional Spanish demand willing to take advantage of that bargain. Consumers are price-takers passives. And here comes the twist: since we do not consume that excess of cheap energy, French and Portuguese agents end up buying it to export it, which paradoxically drags our market upwards through European coupling.
The unequal impact. This market dynamic does not affect everyone equally, leaving a transition to the next idea much clearer: there are obvious winners and households in tension. On the one hand, the great Spanish electro-intensive industry is experiencing a sweet moment. According to data from the AEGE associationby paying for electricity at €66.50/MWh compared to almost €68/MWh for the powerful German industry, they have achieved a surprise vital competitive. For families, the Government maintains an active “fiscal shield” (with VAT reduced to 10% and the electricity tax to 0.5%) that covers up the impact of tolls.
But there are regulatory clouds. The European Commission has targeted the Spanish regulated tariff (the PVPC)to which almost 30% of households are covered. Brussels demands that it be progressively dismantled to push consumers into the free market, arguing that the intervened rates discourage savings and competition. The Spanish Government, for its part, resists eliminating it, defending that it is an indispensable security cushion and the main requirement to access the social bonus that protects the most vulnerable.
The mirage of summer. Experts agree that we should not trust ourselves. The current spring bargain has an expiration date. When summer arrives, high temperatures will reduce the efficiency of solar panels, air conditioners will increase demand and, in all likelihood, expensive gas will have to be turned back on to avoid blackouts, driving prices up again.
Furthermore, the green revolution has a “shadow bill.” Rosenow emphasizes that, Although energy is cheaper, keeping the system stable now costs more. Spain has to pay more for balancing services, voltage support and new transmission infrastructure to take solar and wind energy from where it is generated to where it is consumed. And those costs, inevitably, end up being passed on to the consumer through system charges.
The solution to this bottleneck Joaquín Coronado himself points it out: The system cries out for new loads designed to arbitrage price. We are talking about batteries, industrial thermal storage and new hydraulic pumps. That is, each megawatt that we manage to store when electricity is at zero euros will be a renewable megawatt that we will not throw away, thus stabilizing the price for everyone.
Incomplete success. Spain has achieved an indisputable structural feat. We have become a European pioneer, largely decoupling our prices from international gas volatility and gaining invaluable energy independence now measured in euros per megawatt hour.
However, it must be taken into account that the energy transition does not end with solar panels. As long as the structure of tolls, networks and taxes continues to weigh almost 60% on families’ final bills, the European dream of zero-cost electricity will continue to be, for the average consumer, a spectacular figure that only exists on the screens of the financial markets. We generate almost free, but the labyrinth to the plug still costs us at European prices.
Image | Unsplash
Xataka | While Europe panics about the price of electricity, in Spain the opposite is happening
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