The month of May will end with a more expensive toll of light than usual in Hego Euskal Herria. Next week the new bill will come into force and, pending this important change, the wholesale electricity market has been booming for weeks because of speculation on CO2 emissions rights and the increase in natural gas. The current price of kilowatts is EUR 16.98, compared to 10.04 a year ago.

According to El Diario.es, this Friday, the megawatt/hour price (MWh) will be sold at EUR 88.95, the highest price since January 13, when the power pool is the highest on the market, caused by the cold waves associated with the depression of Filomena, which collapsed the Community of Madrid. These wholesale market levels are unknown at this time, as hydraulic production usually depresses the price. The price of more than EUR 80 is more common in January than in April or May, according to historical data.

The electricity pool has increased in May due to the fact that the carbon price has broken another roof, for the first time exceeding 55 euros per tonelada.En which goes from month, the average price has been 51.67 euros, compared to 33.43 that was reached in January. In addition to the cost of carbon, there is another element that is affecting European electricity markets and the competitiveness of companies: the high price of natural gas.

The consumer association Facua expects the new electric invoice model to start functioning on 1 June, which could lead to even more confusion among users. It has also asked the Spanish Government not to launch the new bill because it is "harmful to the most vulnerable consumers". Among other things, the new model will mean that the light will be 2,000% more expensive at the most advanced times of the fair.