Spain · asset class

Grid Storages in Spain

Spain has 35 grid storages mapped on the OverWatts open energy atlas — the 4th-largest fleet of the 58 countries that hold any, and 4% of the world's mapped total. Of these, 23 operating and 12 under construction or proposed. The largest is Conso II hydroelectric plant (1.8 GW).

The largest owner-operators are Iberdrola SA (15), Endesa SA (3) and Enel Green Power (3) — Iberdrola SA alone is named on 43% of them. Half of Spain's grid storages in service predate 1978 (median commissioning year of the 23 with a known date) and the oldest still listed is Puente Bibey hydroelectric plant, dating from 1960. 12 are in the pipeline, led by Conso II hydroelectric plant (1.8 GW), proposed. They account for 4% of every energy asset OverWatts maps in Spain.

35
Grid Storage in Spain
#4
of 58 countries
12
In construction / proposed

On the interactive map

Open the interactive map →

Largest grid storages in Spain

Who owns Spain's grid storages

Counts an asset once per company named as its owner or operator; a joint venture counts for each partner.

When they were built

Median commissioning year 1978 · oldest Puente Bibey hydroelectric plant (1960) · newest Cortes La Muela II hydroelectric plant (2013) · 23 of 35 carry a start date

Under construction & proposed

How Spain compares · grid storages by country

Frequently asked

How many grid storages are there in Spain?
OverWatts maps 35 grid storages in Spain — 4% of the world's mapped total, the 4th-largest national fleet of the 58 countries with any.
What is the largest grid storage in Spain?
Conso II hydroelectric plant, at 1.8 GW.
Who owns the grid storages in Spain?
Iberdrola SA is named as owner or operator on the most — 15 of 35 (43%). Next are Endesa SA (3), Enel Green Power (3) and Enel SpA (3).
How old are Spain's grid storages?
The median commissioning year is 1978, across the 23 in service with a known start date. The oldest still listed is Puente Bibey hydroelectric plant (1960).
What new grid storages are being built in Spain?
12 projects are under construction or proposed. The largest are Conso II hydroelectric plant (1.8 GW), Aguayo II hydroelectric plant (1.0 GW) and Entrepeñas Pumped Storage hydroelectric plant (644 MW).

Other asset classes in Spain

Grid Storages in other countries

Related insights