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Friday, 21. August 2026
Canary Islands News

Canary Islands generate less renewable energy

In the Canary Islands, the weekly average share of renewable energy had fallen to 25.2 per cent by Thursday. A week earlier, it stood at 31.5 per cent. The data shows significant daily fluctuations. On Tenerife, demand and expansion are rising in tandem.
The key points:
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  • The share of renewable energy in the Canary Islands fell to an average of 25.2 per cent for the week, down from 31.5 per cent the previous week.
  • Daily figures fluctuated significantly, reaching 41.8 per cent on 24 July - the highest level in recent months.
  • Tenerife generated more electricity in June than in the previous year. A new storage facility is being built in Adeje.

The share of renewable energy sources in the Canary Islands has fallen significantly. The archipelago’s weekly average stood at just 25.2 per cent. A week earlier, this figure had been 31.5 per cent. This is according to data from the grid operator Red Eléctrica.

Over the course of these seven days, the daily figures varied considerably. The network operator reported the highest share on 15 August, at 35 per cent – almost ten percentage points above the weekly average. The energy supply was therefore extremely volatile, with significant fluctuations at times between individual days.

A look at the start of summer illustrates the extent of the fluctuations: on 24 July, the share of renewable energy in the Canary Islands‘ electricity consumption stood at 41.8 per cent, the highest daily figure in recent months. There is a difference of more than 16 percentage points between this July high and the current weekly average. At the same time, the amount of available electricity on Tenerife increased.

Tenerife: Increased electricity demand, solar storage facility under construction in Adeje

According to figures from the Canary Islands Statistical Office (ISTAC), 290,637 megawatt-hours were generated in Tenerife in June. This was 1.7 per cent more than in the same month last year. New power stations are set to increase this share.



In Adeje, in the south of the island, a 4.8-megawatt solar storage facility is being built. The combination of generation and storage is intended to ensure that ‚green electricity‘ remains available even when feed-in from the grid declines.

The grid has also changed. Since 1 July, the electricity systems of Tenerife and La Gomera have been linked via a new connection. This is intended to enable the feed-in of additional renewable energy between the two islands and, in the event of energy shortages, to allow each island to provide support to the other. Before the joint electricity grid with Tenerife, La Gomera had repeatedly struggled with power cuts because the island’s power station is significantly outdated.

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