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Almaraz Nuclear Power Plant

Almaraz Nuclear Power Plant
Centranuclearalmaraz2.JPG
The Almaraz Nuclear Power Plant
Almaraz Nuclear Power Plant is located in Spain
Almaraz Nuclear Power Plant
Location of Almaraz Nuclear Power Plant in Spain
Country Spain
Coordinates 39°48′29″N 5°41′49″W / 39.80806°N 5.69694°W / 39.80806; -5.69694Coordinates: 39°48′29″N 5°41′49″W / 39.80806°N 5.69694°W / 39.80806; -5.69694
Construction began 1973
Commission date September 1, 1983
Owner(s) Iberdrola (53% of both), Endesa, Union Fenosa
Operator(s) CNAT
Power generation
Units operational 1 × 1,049 MW
1 × 1,044 MW
Nameplate capacity 2,093 MW

Almaraz Nuclear Power Plant is a nuclear power station at Almaraz in Spain and uses the international Tagus River, that runs into Portugal for cooling.

It consists of two PWRs of 1049 and 1044 MWe.

The refrigeration of the Almaraz nuclear power plant was the first reason for the construction of the Arrocampo Reservoir in 1976.

The water is taken from the Tagus River and covers a U-shaped circuit of 25 km which allows the cooling of the heat generated by the two nuclear reactors of the plant. (See the illustration of the water circulation in Arrocampo)

The walls of thermic separation (pantallas de separación térmica in Spanish) (PST) are 11 km long and 8 m high.

The tops of these walls are used by great cormorants and great egret as standing, resting and sleeping areas.

In 1975 Luis E. Echávarri was made project manager of the Plant. In 1985 he became Technical Director of the Spanish Nuclear Safety Council (CSN), and in 1987 he was named Commissioner of the CSN.

The first reactor began operating in 1981 and the second in 1983. It occupies an area of 1683 hectares.

As of 2017 Spain had approved a nuclear waste warehouse at Almaraz without carrying out any consultations or impact studies. Portugal has taken the matter to the EU, protests planned on January 12 at Spanish consulates were organised by Movimiento Ibérico Antinuclear, which coincided with a meeting between Portuguese and Spanish delegates in Madrid, which ended in deadlock and Portugal to complain to the EU that Spain ignored the potential cross-border impact with no studies being carried out, which is against European Union rules.

Spanish secretary of State for the EU Jorge Toledo Albiñana has said work will start regardless of Portugals complaints, and uranium bars that will remain radioactive for the next 300 years will be stored on site.

In May 2017 the Portuguese Parliament approved the Ecologist Party "The Greens" motion to request the closure of Spain’s Almaraz nuclear plant during the next Iberian summit. Stating that after 2020 the plant should be shut down and the Greens asked the government to take a “resolute position,” for the facility, located only 100 kilometres form the Portuguese border. Environmentalists have warned that the plan to build a nuclear waste warehouse site next to the power plant almost certainly indicates that Spain plans to extend the life of the Almaraz power plant beyond the year 2020.


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