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Energía del Pacífico + Wärtsilä

Reference case

Enabling a more reliable and sustainable power system for El Salvador

Energía del Pacífico (EdP) is more than a power plant. It is a landmark example of how modern, flexible generation can strengthen power systems while supporting the growth of renewable energy. The facility plays a strategic role in the country's electricity system, helping balance variable renewable generation, enhance grid reliability, and contribute to lower emissions.

Inspired by the unique rhythm of the plant itself, the "Energy Symphony" (showed in the video below) project transforms real operational data into music, illustrating how thousands of engine starts, rapid ramping capabilities, frequency control, and system flexibility work together in harmony every day. The result is a powerful representation of how technology, innovation, and operational excellence support a more resilient and sustainable energy future.

As one of the most significant energy infrastructure projects in Central America, EdP demonstrates how flexible thermal generation can enable renewable integration, improve energy security, and support the decarbonisation of power systems while delivering reliable electricity when it is needed most.

The Sound of System Flexibility

What if a power plant could tell its story through music? Using real operational data from Energía del Pacífico, the Energy Symphony translates flexibility, reliability, and innovation into sound. Behind every note is a system that helps integrate renewables, strengthens grid stability, and powers El Salvador's energy transition.

WhoEnergia del Pacífico S.A.
What378MW power plant​
WhereAcajutla, Sonsonate; El Salvador
HowWärtsilä 18V50SG

This is what we achieved

378

MW of electrical output.

950

GWh of electricity delivered per year to utilities.

24

Hours running a day at full baseload.

How we did it

Challenge icon

Challenge

  • Tight deadline with PPAs
  • Need for efficient baseload
  • Strict emission regulations
Solution icon

Solution

  • Top efficiency with the Flexicycle technology
  • NOx-tuned engine configuration
  • Fast-track delivery
Benefit icon

Benefit

  • Uninterrupted generation
  • Fuel savings, reduced emissions
  • Start generation as soon as possible

The main details

CustomerEnergía del Pacífico
TypeWärtsilä 18V50SG flexible baseload power plant
WhereAcajutla, Sonsonate; El Salvador
Total output378 MW
FuelNatural gas
ScopeEngineering, procurement, construction (EPC)
Delivery2022
EDP_El_Salvador_map

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