This summer Spain curtailed an amount of electricity equal to the consumption of 4 million households.

Omissions

• The claimed figure is a rounded-up approximation: the underlying sources speak of 'casi cuatro millones' / 'cerca de cuatro millones' (almost/close to 4 million) households, based on ~3,468 GWh curtailed from June to August 2026.
• No primary source (Red Eléctrica de España / REE official curtailment data) publishing the exact '4 million households' equivalence was located; the figure rests on secondary energy-sector media, several of which appear to draw on the same curtailment data series.
• The comparison measures curtailment over the whole three-month summer period against three months of household consumption, a framing that inflates the apparent magnitude relative to a single-month or annual comparison.

Sources

• SecondaryEl Periódico de la EnergíaLos vertidos de energía renovable, sobre todo solar fotovoltaica, se han disparado estos tres meses del verano con cerca de 3.500 GWh. Headline: 'España desperdicia de junio a agosto la energía que consumen cerca de cuatro millones de hogares en esos tres meses.'
• SecondaryEnergeliaEntre junio y agosto se desperdiciaron 3.468,15 GWh de electricidad renovable, una cifra que equivale al consumo de casi cuatro millones de hogares.
• SecondaryesRadio (Libertad Digital) – Economía Para TodosProgramme title: 'Este verano, tiraremos la energía renovable de 4 millones de hogares' — Carmen Tomás analiza la actualidad económica.
• SecondaryDemócrataSpain will break this summer the record of wasted renewable energy due to lack of demand and capacity in the grid. In July, the percentage returned to around 11%, so it is expected that again more than 900 GWh of unused electricity...