Usina Do Gasômetro

Porto AlegreBrazil 30° S · 51° W Updated Sep 2026

Despite its name, Usina do Gasômetro never produced gas—it was a coal-fired power plant saved from demolition and reborn as Porto Alegre’s waterfront sunset heart.

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Usina Do Gasômetro Photo: Heylenny · CC BY-SA 4.0
Time needed
1-2 hours
Entry
Exterior waterfront free; cultural-center interior closed
Access
Wheelchair-accessible waterfront promenade
Best season
Summer (Dec–Mar)

The most photographed sunset platform in Porto Alegre is a coal-fired power station that never produced the gas in its name. Usina do Gasômetro, on the Guaíba waterfront in Porto Alegre, Brazil, is a 1928 concrete cathedral of turbines and soot, anchored by a 117-metre chimney — and visitors gather here less for the machinery than for the nightly blaze of color behind it.

The name is a ghost from 1874, when French entrepreneur Noel Paul Baptiste d'Ornano built a coal-gas works at Ponta do Gasômetro to light around 500 street lamps. What you actually see opened on 15 November 1928 as a coal-fired thermoelectric station, built from British blueprints by Danish firm Christian & Nielsen under engineer C. J. Hemm. Its main hall spreads 37 metres wide and 89 metres long, about the footprint of a city block; the tall chimney came later, built between 1937 and 1939 because sooty São Jerônimo coal kept blanketing downtown roofs.

Closure came not by protest but by price. Converted to diesel in the late 1960s, the plant burned money after the 1973 oil shock and fell silent in 1974. A highway-extension demolition plan almost erased it in the early 1980s. Instead, it survived as a cultural centre, and its waterfront esplanade became the city's shared living room for sunset.

Walk the river-facing lower docks and you can still trace the concrete water-intake channels and conveyor anchors that once fed the boilers. Come near dusk, when the sky goes orange behind the chimney and the industrial hulk turns into Porto Alegre's best-loved open-air theatre.

Researched by the Audiala editorial team from historical records, architectural archives, and local expertise.

What to see

  1. The Main Turbine Hall & Galeria dos Arcos

    The restored turbine hall remains the building's architectural core, but do not plan on entering it today. The city formally delivered the restoration in August 2025; its current cultural-venue listing still says the interior is closed while long-term operation is transferred. Study the 89-metre hall, concrete arches, and industrial windows from the public waterfront, and check the official city listing before any trip planned around an exhibition or theatre visit.

  2. The 1937 Chimney & the Golden-Hour Corridors

    The chimney rose in the late 1930s to carry coal smoke above central Porto Alegre and is the clearest exterior landmark on the Guaíba shore. Walk the public plaza and boardwalk for the changing angle on its concrete shaft; the sunset view does not require access to the closed upper corridors.

  3. Sunset at Ponta do Gasômetro

    Start at the public square beside the Usina, then move to the boardwalk before the light changes. The waterfront remains the reliable visitor experience while the building's interior is closed. People arrive with thermoses and mate gourds and gather along the shore for the Guaíba sunset.

Plan your visit

Getting There
Catch bus C5, M10, M21, M31, M98, or 718 to stops along Av. Loureiro da Silva or Av. Mauá, a short block from the entrance at Av. Presidente João Goulart, 551. From Estação Mercado (Trensurb Line 1) it's a 20–25 minute walk down Rua dos Andradas, or hop on the C5 circular bus for the 2 km hop. Parking exists along Av. Edvaldo Pereira Paiva and at Parque Harmonia, which has over 1,200 bays.
Opening Hours
As of 2 September 2026, Porto Alegre's official cultural-venue page lists the Usina interior as closed. Restoration was delivered in August 2025, but the city selected a long-term operator only on 12 August 2026 and expected contract signing within 60 days. Use the adjacent public square and Orla promenade for a visit, and check the city site before expecting access to galleries, cinema, or theatre.
Time Needed
Give the exterior 30–45 minutes for a photo stop at the chimney and the Elis Regina statue. Plan 1.5–3 hours if you'll walk the Orla promenade, take a one-hour boat cruise from the pier, and stay for sunset on the terraced steps. If the interior reopens as targeted, add at least another hour for galleries.
Accessibility
The adjacent waterfront has broad, mostly level paved routes suitable for wheelchairs and strollers. The cultural-center interior is currently closed, so its renovated lifts, restrooms, and step-free routes cannot be treated as available visitor facilities yet.
Cost & Tickets
The public square and waterfront walk are free. No routine interior admission is available during the closure. The 2026 partnership plan keeps common areas and the Usina memorial free after reopening, while allowing charges for events, exhibitions, courses, and food service.

History

The Chimney That Outlived the Highway

The Gasômetro's deepest story is not coal or kilowatts; it is staying put. For nearly a century, this promontory has served one unchanging function: bringing Porto Alegre to the water's edge. The machinery changed — street gas in 1874, electricity in 1928, diesel in the 1960s, theatre rigging after 1991 — but the building remained a place people defend, gather at, and watch the sun from.

Even the 117-metre chimney, a 1930s addition, was designed not for beauty but to throw fly ash over neighbourhoods. It is now the most fixed point on the city's western skyline, more lighthouse than smokestack.

The turning point

José Lutzenberger and the Sunset That Almost Died

By the late 1970s, military-era planners had a simple scheme: demolish the decommissioned plant and its chimney, then push the Via Perimetral highway along the Guaíba. To them the building was an industrial scar, useful only as rubble.

José Antônio Lutzenberger, an agronomist and environmental philosopher, saw something else. For him the Gasômetro's chimney was a monument to the labour that electrified Rio Grande do Sul and a geographic anchor connecting downtown to the river. He and Magda Renner mobilised architects, artists and neighbours around a single demand: the horizon is public property.

Records show the campaign won municipal protection in 1982 and state heritage listing in 1983. The turning point was not a pretty photograph; it was legal recognition that citizens could stop a state-backed demolition. When the plant reopened as a cultural centre in 1991, the sunset crowd kept the same vigil Lutzenberger fought to preserve.

What Changed

The fuel, the noise and the audience are different. Opened as a thermoelectric plant in 1928, the main hall burned São Jerônimo coal so ash-heavy that the chimney had to be built taller. Diesel replaced coal in the late 1960s, but the 1973 oil shock made operation financially unsound; the plant shut down in 1974. After restoration, the turbine hall became a cultural centre in 1991, with exhibitions, theatres and public programming filling the old machine floors.

What Endured

The gathering itself never stopped. In May 1941, workers stayed at the boiler fronts through the Guaíba flood to keep the city's power alive; since 1991, the public has come to the same shore for the free spectacle of the sunset. The chimney remains at 117 metres, visible long before you reach the promontory, and the waterfront still works as Porto Alegre's most democratic open-air stage.

Tips for visitors

  • Chimarrão Circle Rules

    If a local passes you the hot yerba mate, drink until the straw gurgles, then return it without wiping the metal straw or moving it. Buying a hot-water refill from a promenade cart makes you less of a tourist.

  • Tripod Fine, Drone Harder

    Handheld photography is unrestricted around the grounds, and tripods crowd the lawns at golden hour. Commercial shoots and any drone flight need prior municipal (SMAMUS/SMC) and DECEA/ANAC airspace clearance.

  • Guard Your Phone

    The Orla is patrolled during daylight and sunset, but bike-mounted grab-and-dash thieves watch for phones left on the grass. After the sunset crowd scatters, avoid dark underpasses and quiet stretches of Rua da Praia; hail a rideshare from the main avenue.

  • Chase the Guaíba Sunset

    Arrive about an hour before dusk to grab a seat on the terraced amphitheater steps facing west. Winter nights get damp and breezy by the water, so pack a windbreaker even if downtown stays warm.

  • Pair with Cais Mauá

    Walk the paved shoreline path 10–15 minutes from the Cais Mauá warehouses, or thread through the historic center from Mercado Público along Rua dos Andradas in 20–25 minutes. Combining both lets you see the old port before sunset colors the factory.

  • No On-site Luggage Storage

    Do not expect lockers or a staffed left-luggage desk at the closed cultural center. Leave suitcases at your hotel or the central bus station before using the waterfront.

Frequently asked

Is Usina do Gasômetro worth visiting?

Yes for the Guaíba sunset, industrial exterior, and waterfront walk. As of 2 September 2026 the city still lists the cultural-center interior as closed, so do not plan a visit around indoor galleries or theatre until the official listing changes.

How long do you need at Usina do Gasômetro?

Give it 30 to 45 minutes for a quick photo stop, or 1.5 to 3 hours to walk the Orla, take a boat cruise, and stay for sunset. The exterior grounds are the main event while the interior remains closed. Weekday afternoons are quieter if you want to study the concrete structure.

How do I get to Usina do Gasômetro from Porto Alegre city center?

Walk from Mercado Público along Rua dos Andradas toward the river, about 20 to 25 minutes. Buses C5, M10, M21, M31, M98, and 718 stop near Avenida Loureiro da Silva or Avenida Mauá. From Trensurb's Mercado station, it's about 1.8 to 2 km, so a rideshare or the C5 bus beats the walk on hot days.

What is the best time to visit Usina do Gasômetro?

Late afternoon, roughly 16:30 to 19:00 depending on the season, to catch the sunset over Lake Guaíba. In summer the sun drops around 18:30 to 20:30; in winter it's earlier, near 17:30 to 18:00, with sharper orange light. Tuesdays through Thursdays are best for a quieter visit.

Can you visit Usina do Gasômetro for free?

The public square and waterfront are free. The cultural-center interior is currently closed; its 2026 operating plan says common areas and the memorial should remain free after reopening, with some events and exhibitions allowed to charge admission.

What should I not miss at Usina do Gasômetro?

Do not miss the Guaíba sunset with the chimney in silhouette, the restored brick-and-concrete exterior, and the public square connecting the Orla to Cais Embarcadero. Save the turbine hall and Galeria dos Arcos for a future visit after official indoor access resumes.

Why is Usina do Gasômetro famous?

The plant is famous as a 1928 coal-fired power plant saved from demolition in the 1980s and turned into a cultural center. The name comes from an earlier 1874 gasworks on the same site, though the current building never produced fuel gas. Today it is the city's main gathering spot for the Guaíba sunset ritual.

Sources & attribution 12

Researched and written by the Audiala editorial team from historical records, architectural archives, and local expertise. Last updated September 2026.

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Photo credits (13)
  1. Usina do Gasômetro in 2025 (zoom) — Heylenny — CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/) — Source: https://commons.wikimedia.org/wiki/File:Usina_do_Gasômetro_in_2025_(zoom).jpg
  2. Antiga Usina termelétrica do Gasômetro — Silfeb — CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/) — Source: https://commons.wikimedia.org/wiki/File:Antiga_Usina_termelétrica_do_Gasômetro.jpg
  3. Cores na Usina do Gasômetro (4497456519) — Kátia Goretti Dias Vazzoller from Brazil — CC BY 2.0 (https://creativecommons.org/licenses/by/2.0/) — Source: https://commons.wikimedia.org/wiki/File:Cores_na_Usina_do_Gasômetro_(4497456519).jpg
  4. Cais do Porto Armazéns — Francisped — CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/) — Source: https://commons.wikimedia.org/wiki/File:Cais_do_Porto_Armazéns.jpg
  5. A Usina do Gasômetro — WikiGiz — CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/) — Source: https://commons.wikimedia.org/wiki/File:A_Usina_do_Gasômetro.jpg
  6. A bela Usina do Gasômetro — LopesRobson — CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/) — Source: https://commons.wikimedia.org/wiki/File:A_bela_Usina_do_Gasômetro.jpg
  7. Canto da Usina do Gasômetro — Lenny Maidana — CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/) — Source: https://commons.wikimedia.org/wiki/File:Canto_da_Usina_do_Gasômetro.jpg
  8. Chaminé (3282833222) — Pedro Belleza — CC BY 2.0 (https://creativecommons.org/licenses/by/2.0/) — Source: https://commons.wikimedia.org/wiki/File:Chaminé_(3282833222).jpg
  9. Antiga Usina de Gás, Porto Alegre, Rio Grande do Sul, Brasil — Desoja — CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/) — Source: https://commons.wikimedia.org/wiki/File:Antiga_Usina_de_Gás,_Porto_Alegre,_Rio_Grande_do_Sul,_Brasil.jpg
  10. Gasometro (1) — Maria Lucia P. Sampaio — CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/) — Source: https://commons.wikimedia.org/wiki/File:Gasometro_(1).jpg
  11. Gasometro (2) — Maria Lucia P. Sampaio — CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/) — Source: https://commons.wikimedia.org/wiki/File:Gasometro_(2).jpg
  12. Gasometro (3) — Maria Lucia P. Sampaio — CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/) — Source: https://commons.wikimedia.org/wiki/File:Gasometro_(3).jpg
  13. Antiga Usina de Gás - Porto Alegre — Kelly da Silva KS — CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/) — Source: https://commons.wikimedia.org/wiki/File:Antiga_Usina_de_Gás_-_Porto_Alegre.jpg

Photos may have been resized or cropped.