arts meets energy transition

Sustainable sculpture to power Houston multicultural arts building

The City of Houston is aiming to have Arco del Tiempo installed in 2024. Photo courtesy of The City of Houston

The City of Houston has unveiled the first look at the latest permanent public artwork that will be installed in the Second Ward in 2024. The sculpture is the first-ever environmentally sustainable art piece that will generate electricity for the nearby City-owned Latino multicultural performing arts theater.

Arco del Tiempo (Arch of Time) is a 100-foot tall arch designed by Berlin-based artist and architect Riccardo Mariano. Several years have been put into the making of this project, dating as far back as 2019. Mariano had entered the idea into a Land Art Generator Initiative (LAGI) design competition in the Houston sister-city of Abu Dhabi. From there, it was chosen to be developed full-scale and installed at Guadalupe Plaza Park.

According to a press release, the sculpture can measure time and cast beams of sunlight onto the ground, creating a connection between "the celestial and the terrestrial" through the geometry of the design.

The light beams are different based on the four seasons and the time of day, constantly shifting and responding to the latitude and longitude of the city from space. Mariano said that his sculpture is a "practical example" of how physical art can interact with the abstract, such as the Earth's movement around the sun.

"The apparent movement of the sun in the sky activates the space with light and colors and engages viewers who participate in the creation of the work by their presence," said Mariano. "Arco del Tiempo merges renewable energy generation with public space and into the everyday life of the Second Ward. Inspired by science and powered by renewable energy, the artwork is a bridge between art and technology and encourages educational purposes while improving public space. At night the space within the arch will be used as a stage for outdoor public events.”

"At night the space within the arch will be used as a stage for outdoor public events,” Riccardo Mariano said.Photo courtesy of The City of Houston

Arco del Tiempo will do more than just be an aesthetically pleasing sight for the community. Its meaningful, functional purpose will be to generate about 400,000 kilowatt-hours of electricity per year, and power the Talento Bilingüe de Houston. LAGI founding co-director Elizabeth Monoian said in the release the sculpture will generate over 12 million kilowatt-hours of power throughout its lifetime, which equals the removal of 8,500 metric tons of carbon dioxide from the atmosphere.

"Through the clean energy it produces, Arco del Tiempo will pay back its embodied carbon footprint," Monoian said. "In other words, all the energy that went into its making—from the smelting of the steel to the drilling that puts the final cladding into place—will be offset through the energy it generates. Beyond its break-even point, which we will track and celebrate with the community, the artwork will be a net-positive contributor to a healthy climate and the planet will be better off for its existence.”

In a statement, Houston Mayor Sylvester Turner praised the unique art piece as more than just a sculpture, but as a "monument to a new era of energy."

"The City of Houston has always stood at the vanguard of energy innovation and the Arco del Tiempo artwork stands in that tradition, highlighting Houston’s role as an art city and as global leader in the energy transition," Mayor Turner said. "We are inspired by the vision and creative thinking. Marrying clean energy, the built environment, and truly World Class art is Houston.”

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This article originally ran on CultureMap.

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A View From HETI

Houston-based Solidec took home the top TEX-E price and $25,000 at last year's Energy Venture Day and Pitch Competition. Photo courtesy of HETI

The Rice Alliance for Technology and Entrepreneurship, the Houston Energy Transition Initiative and the Texas Entrepreneurship Exchange for Energy announced the 30-plus energy ventures and five student teams that will pitch at the 2025 Energy Venture Day and Pitch Competition during CERAWeek next month.

The ventures are focused on driving efficiency and advancements toward the energy transition and will each present a 3.5-minute pitch before a network of investors and industry partners during CERAWeek's Agora program.

The pitch competition is divided up into the TEX-E university track, in which Texas student-led energy startups compete for $50,000 in cash prizes, and the industry ventures track.

Teams competing in the TEX-E Prize track include:

  • ECHO
  • HEXAspec
  • HydroStor Analytics
  • Nanoborne
  • Pattern Materials

The industry track is subdivided into three additional tracks, spanning materials to clean energy and will feature 36 companies. The top three companies from each industry track will be named. The winner of the CERAWeek competition will also have the chance to advance and compete for the $1 million investment prize at the Startup World Cup in October 2025.

Teams come from around the world, including several notable Houston-based ventures, such as Corrolytics, Rheom Materials, AtmoSpark Technologies, and others. Click here to see the full list of companies and investor groups that will participate.

The pitch competition will be held Wednesday, March 12, at CERAWeek from 1-4:30 pm. An Agora pass is required to attend.

Those without passes can catch more than 50 companies at a free pitch preview at the Ion. Pitches will be followed by private meetings with venture capitalists, corporate innovation groups, industry leaders, and tech scouts. The preview will be held Tuesday, March 11, from 9:30 am to 2:30 pm at the Ion. It's free to attend, but registration is required. Click here to register.

Last year, Houston-based Solidec took home the top TEX-E price and $25,000 cash awards. The startup extracts molecules from water and air, then transforms them into pure chemicals and fuels that are free of carbon emissions. Its co-founder and Rice University professor Haotian Wang was recently awarded the 2025 Norman Hackerman Award in Chemical Research.

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