Pacífico Power Plant

Pacífico Power Plant is a former power station of the Madrid Metro, tucked away next to Pacífico station in the eastern part of the city. Since April 2013 the building has held the status of Bien de Interés Cultural, Spain's highest form of heritage protection, granted by the Community of Madrid's Directorate General of Historical Heritage.

What was this power plant for?

The station was built to supply electricity to the earliest lines of the Madrid Metro, which opened in the 1920s. At a time when the city's public electricity grid was neither extensive nor reliable enough, the metro needed its own independent power source. The solution came in the form of three massive diesel engines originally built for ships — and it's these engines that gave the building its lasting identity. Marine engines of this scale rarely survive intact in a single location, making this a genuinely unusual piece of industrial heritage in a European capital.

Why visit?

This is more than a historical curiosity — it's a record of an era when urban transport and energy infrastructure had to grow together, often improvising solutions out of necessity. The building takes its name from the neighboring Pacífico metro station, with which it shares both its location and its original purpose. For anyone drawn to industrial architecture or the history of urban transport, the site offers a rare look at the technical backbone that once kept a major European capital's transit system running.

What will you see there?

The main attraction is the trio of enormous ship diesel engines that once drove the plant's generators. Their scale and design are striking even for visitors with no particular interest in engineering — these were machines built for maritime duty, relocated inland and repurposed for an entirely different job. The building retains the layout typical of early 20th-century industrial power stations, reinforcing its value as a piece of technical heritage.

How do you get there?

The easiest way is by metro to Pacífico station, just a few minutes' walk from the building. The location is convenient, sitting in eastern Madrid within easy reach of both the city center and the surrounding residential neighborhoods.

When should you go?

Since this is a technical heritage site rather than a purpose-built tourist attraction with extensive visitor infrastructure, it's worth checking current access hours in advance. Visiting outside the busiest hours at the nearby metro station tends to make for a quieter, more relaxed look at the area.

Frequently asked questions

What is the Pacífico Power Plant? It's a former power station that supplied electricity to the first lines of the Madrid Metro, built around three large marine diesel engines.

Is the building legally protected? Yes. In April 2013 the Community of Madrid's Directorate General of Historical Heritage declared it a Bien de Interés Cultural.

Where does the name come from? The name comes from the adjacent Pacífico metro station, to which the power plant is directly and functionally connected.

How do I reach the power plant? The simplest way is by metro, getting off at Pacífico station, which leaves just a short walk to the building.