Voith Siemens to upgrade Spain’s 324-MW Mequinenza

Spanish utility Endesa has awarded a contract to Voith Siemens Hydro Power Generation to modernize the Mequinenza hydroelectric project on Spain’s Ebro River.

Voith Siemens is to upgrade four vertical Francis turbines of 81 MW each, four 90-megavolt-ampere generators, and four 95-MVa high-voltage transformers.

The contractor said it worked with Endesa to optimize hydraulic design to ensure the best mix of energy production, installed capacity, and storage capability in Mequinenza’s reservoir, the largest in Spain.

Voith Siemens said the project’s maximum output would be increased by 30 percent to 324 MW at a rated head of 47 meters and by 20 percent to 384 MW at a maximum head of 53 meters.

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