Data Foundry debuted its most recent expansion in North Houston, but that's just the start of the Austin-based company's growth in the Bayou City. Photo courtesy of Data Foundry

Data Foundry Inc. may be finished with its 27,000-square-foot expansion at the company's data center in North Houston, but it's by no means finished growing at the site.

The Austin company's 18-acre, master-planned campus at 660 Greens Pkwy. allows for another 200,000 square feet. At build-out, Data Foundry will operate 350,000 square feet of space there.

Currently, the data center encompasses 150,000 square feet. The recent expansion completes the development's first phase. Each of two future phases will add 100,000 square feet.

So far, there's no timetable for the data center's second and third phases.

"It's all a function of demand. We will deploy the capital in response to the pace at which we end up filling up the new space," says Ed Henigin, chief technology officer of Data Foundry.

The 27,000-square-foot expansion debuted in late January at Data Foundry's Houston 2 Data Center. Henigin says space remains available there, but the company does have prospective tenants in the pipeline. It could take anywhere from six months to four years to lease the entire expansion, he says.

Data Foundry says increased customer demand along with business growth in Houston — especially in the healthcare, energy, and manufacturing sectors — prompted the four-megawatt expansion.

"For folks who are outside of Houston, it's an underappreciated market," Henigin says. "It's a huge economy, and there's a lot of dynamic activity happening in Houston and a lot of growth."

Generally, demand for data center space in Houston is "steady and healthy," Henigin adds.

"I don't think we're really overserved or underserved at this point. I think we're pretty well-balanced," he says.

Henigin points out that demand can shift depending on the region's economic conditions, such as upswings or downturns in the energy sector.

"A lot of the folks who have businesses in Houston have learned to be a little cautious, because you don't necessarily know when the next dry spell is coming," he says. "So there's a lot of careful planning or careful execution in business practices in order to be resilient."

Although Houston ranks as the fifth largest metro area in the U.S., it's not among the country's 10 biggest data center markets, unlike Dallas-Fort Worth and Austin/San Antonio. According to DataCenterMap.com, 40 data centers operate in the Houston area. A number of the region's data centers are in North Houston, The Woodlands, and Katy, according to datacenterHawk.

Among Data Foundry's competitors in the Houston market are CyrusOne Inc., Skybox Datacenters LLC, and Stream Data Centers LP — all based in Dallas — and San Francisco-based Digital Realty Trust Inc., according to datacenterHawk.

Customers of Data Foundry's Houston 2 Data Center include Carrizo Oil & Gas Inc., FMC Technologies Inc., Marathon Oil Corp., and Mattress Firm Inc. — all based in Houston — and Galveston-based Moody National Bank.

Houston 2 offers a 185 mph wind-rated infrastructure and an elevation above the 500-year floodplain. During Hurricane Harvey, tenants didn't lose power or network service, or experience flooding, Data Foundry says.

Data Foundry has operated data centers in the Houston area since 2002. Its other Houston data center, inside the Marathon Oil Tower at 5555 San Felipe St., comprises 20,000 square feet.

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2 Houston space tech cos. celebrate major tech milestones

big wins

Two Houston aerospace companies — Intuitive Machines and Venus Aerospace — have reached testing milestones for equipment they’re developing.

Intuitive Machines recently completed the first round of “human in the loop” testing for its Moon RACER (Reusable Autonomous Crewed Exploration Rover) lunar terrain vehicle. The company conducted the test at NASA’s Johnson Space Center.

RACER is one of three lunar terrain vehicles being considered by NASA for the space agency’s Artemis initiative, which will send astronauts to the moon.

NASA says human-in-the-loop testing can reveal design flaws and technical problems, and can lead to cost-efficient improvements. In addition, it can elevate the design process from 2D to 3D modeling.

Intuitive Machines says the testing “proved invaluable.” NASA astronauts served as test subjects who provided feedback about the Moon RACER’s functionality.

The Moon RACER, featuring a rechargeable electric battery and a robotic arm, will be able to accommodate two astronauts and more than 880 pounds of cargo. It’s being designed to pull a trailer loaded with more than 1,760 pounds of cargo.

Another Houston company, Venus Aerospace, recently achieved ignition of its VDR2 rocket engine. The engine, being developed in tandem with Ohio-based Velontra — which aims to produce hypersonic planes — combines the functions of a rotating detonation rocket engine with those of a ramjet.

A rotating detonation rocket engine, which isn’t equipped with moving parts, rapidly burns fuel via a supersonic detonation wave, according to the Air Force Research Laboratory. In turn, the engine delivers high performance in a small volume, the lab says. This savings in volume can offer range, speed, and affordability benefits compared with ramjets, rockets, and gas turbines.

A ramjet is a type of “air breathing” jet engine that does not include a rotary engine, according to the SKYbrary electronic database. Instead, it uses the forward motion of the engine to compress incoming air.

A ramjet can’t function at zero airspeed, so it can’t power an aircraft during all phases of flight, according to SKYbrary. Therefore, it must be paired with another kind of propulsion, such as a rotating detonation rocket engine, to enable acceleration at a speed where the ramjet can produce thrust.

“With this successful test and ignition, Venus Aerospace has demonstrated the exceptional ability to start a [ramjet] at takeoff speed, which is revolutionary,” the company says.

Venus Aerospace plans further testing of its engine in 2025.

Venus Aerospace, recently achieved ignition of its VDR2 rocket engine. Photo courtesy of Venus Aerospace

METRO rolls out electric shuttles for downtown Houston commuters

on a roll

The innovative METRO microtransit program will be expanding to the downtown area, the Metropolitan Transit Authority of Harris County announced on Monday.

“Microtransit is a proven solution to get more people where they need to go safely and efficiently,” Houston Mayor John Whitmire said in a statement. “Connected communities are safer communities, and bringing microtransit to Houston builds on my promise for smart, fiscally-sound infrastructure growth.”

The program started in June 2023 when the city’s nonprofit Evolve Houston partnered with the for-profit Ryde company to offer free shuttle service to residents of Second and Third Ward. The shuttles are all-electric and take riders to bus stops, medical buildings, and grocery stores. Essentially, it works as a traditional ride-share service but focuses on multiple passengers in areas where bus access may involve hazards or other obstacles. Riders access the system through the Ride Circuit app.

So far, the microtransit system has made a positive impact in the wards according to METRO. This has led to the current expansion into the downtown area. The system is not designed to replace the standard bus service, but to help riders navigate to it through areas where bus service is more difficult.

“Integrating microtransit into METRO’s public transit system demonstrates a commitment to finding innovative solutions that meet our customers where they are,” said METRO Board Chair Elizabeth Gonzalez Brock. “This on-demand service provides a flexible, easier way to reach METRO buses and rail lines and will grow ridership by solving the first- and last-mile challenges that have hindered people’s ability to choose METRO.”

The City of Houston approved a renewal of the microtransit program in July, authorizing Evolve Houston to spend $1.3 million on it. Some, like council member Letitia Plummer, have questioned whether microtransit is really the future for METRO as the service cuts lines such as the University Corridor.

However, the microtransit system serves clear and longstanding needs in Houston. Getting to and from bus stops in the city with its long blocks, spread-out communities, and fickle pedestrian ways can be difficult, especially for poor or disabled riders. While the bus and rail work fine for longer distances, shorter ones can be underserved.

Even in places like downtown where stops are plentiful, movement between them can still involve walks of a mile or more, and may not serve for short trips.

“Our microtransit service is a game-changer for connecting people, and we are thrilled to launch it in downtown Houston,” said Evolve executive director Casey Brown. “The all-electric, on-demand service complements METRO’s existing fixed-route systems while offering a new solution for short trips. This launch marks an important milestone for our service, and we look forward to introducing additional zones in the new year — improving access to public transit and local destinations.”

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This article originally ran on CultureMap.