ADVERTISEABOUT USSUBMIT A STORYSUBSCRIBETERMS OF USEPRIVACY POLICY
Visit our family of Brands

Houston startup constructs eco-friendly 3D printed homes

seeing green

HIVE 3D is bringing science fiction to reality with this Texas project. Photo courtesy of HIVE 3D

A Houston company has teamed up with a Utah-based sustainable cement alternatives producer to construct eco-friendly homes made from 3D-printed pieces.

HIVE 3D was already revolutionizing the home-builder industry with its lightweight gantry system and mobile robotic arm system to 3D print its homes, but it took a giant leap further with its partnership with Eco Material Technologies.

Together, they are building the world’s first near-zero-carbon, 3D-printed homes. Using Eco Material’s cement mixture called PozzoCEM Vite, which has 92 percent lower emissions than traditional concrete that can set in just a few minutes, they are focusing on providing a sustainable, cost-efficient and affordable housing solution.

“We want our homes to last 1,000 years,” Timothy Lankau, CEO, Hive 3D CEO, tells InnovationMap. “We want archaeologists to dig them up and wonder what they were. I mean, you go to the Parthenon in Rome, and it looks similar today to how it did 2,000 years ago because the materials are so stable.

“Concrete's just a very stable material. It doesn't change over time, and that's also why building with stone and masonry is important for the future. We think it's more sustainable because it's ultimately going to be better in terms of longevity.”

Key collaboration

Eco Material Technologies and HIVE 3D’s collaborative mission began through a mutual desire to develop sustainable and eco-friendly solutions for the construction industry.

“Both companies recognized the pressing need to reduce the environmental impact of traditional construction materials and processes and the need for affordable, high-quality housing,” says Grant Quasha, CEO of Eco Material Technologies. “The partnership between the two companies began when Eco Material Technologies reached out to HIVE 3D to explore the potential of incorporating their eco-friendly materials into 3D printed construction.

“HIVE 3D recognized the opportunity to combine their expertise with sustainable material solutions. The finished product of this collaboration is an eco-friendly construction material that can be 3D printed into various structural elements like walls, floors and columns.”

Proof of concept

Photo courtesy of HIVE 3D

HIVE 3D’s first full project, a 3,150-square-foot home located in Burton, Texas, was printed with a rotating team of just four people using PozzoSlag, which replaces 50 percent of the portland cement in concrete and has been used in roads and bridges in Texas for over a decade.

The home used several innovations that hadn’t been used in a 3D printed house before, including parametric wall designs, foamcrete wall insulation, and pigmented concrete layers.

“Our product is more sustainable because it utilizes proprietary technology that allows for the use of alternative materials to replace the clinker and processes from traditional cement that contribute to its high emissions,” says Quasha. “It is estimated that the portland cement industry contributes to 8 percent of global emissions annually, but by utilizing Eco Material Technologies' cement replacement solutions ... builders can significantly decrease their carbon emissions without compromising on the product's setting time or long-term strength."

Each ton of portland cement replaced by a ton of Eco Material's products, PozzoSlag or Pozzocem, reduces emissions by close to one ton, Quasha explains.

The Calais project, located in Round Top, Texas, behind the Halles, an antique shopping and design destination, broke ground in March 2023 and will feature a collection of tiny homes known as casitas, including studio, single-bedroom and two-bedroom models, ranging from 400 to 900 square feet.

“These small homes will serve as a model for affordable and eco-friendly housing throughout the country,” says Lankau. “We plan to build them at a speed and cost point that is unprecedented in the affordable housing space.

“Ultimately, we want to build houses at a disruptive price point. We want to be vertically integrated and put our homes on the market at a significant discount to market wherever they are. And by significant, we're talking 20 or 30 percent. That's our goal.”

The right resources

Photo courtesy of HIVE 3D

HIVE 3D worked with CyBe Construction to create a mobile construction 3D printer and mixing system that allows the printing mortar to be mixed onsite, which eliminates a significant amount of labor and time, which means those savings can be passed on to the consumer.

“We worked with a company called CyBe in the Netherlands to build a robotic arm, and that arm has about an 11-foot reach, and it can go all the way in a circle around itself,” says Lankau. “So, it drives around the foundation of the house, printing sections of the house at a time. So, it'll print a section, drive to the next section, and print the next section.

“So instead of having this many different materials and these many different traits, people that do all these different things, we have a machine that just uses one material and prints the wall.”

HIVE 3D has an internal engineer that works through all of the structural issues that may come up on projects and helps them build homes with monolithic, foot-thick concrete walls with rebar and steel supported in them.

According to Lankau, their 3D printed homes are tornado-proof, hurricane-proof, pest-proof, bullet-proof and can virtually withstand anything because of the sustainable materials used to build them.

“They're everything-proof,” says Lankau. “Just because of the natural strength of the concrete and the steel we use to create them, they can support millions of pounds. So, it's actually a stronger material than a typical house. By a factor of 100. Like I said, it's bulletproof and tornado-proof. You could drive a car into it, and it would total the car. I mean, it's a very, very sturdy structure.”

A bright future

Photo courtesy of HIVE 3D

Moving forward, HIVE 3D would like to continue to innovate and advance its 3D printing technology by leaps and bounds.

“The science fiction goal here, which is maybe a five-year goal, is to be able to drive onto a site, press a button, and watch the robots work,” says Lankau. “We want to be a significant home builder. So, in five years, we want to be building a lot of houses quickly and affordably and we want to continue to automate more and more of the process.”

Right now, there is no formal process for commissioning a HIVE 3D printed home. Perspective customers are directed to the website, then put in a request to build a home, go through a screening process and if the project is a good fit, they'll put that project into their pipeline.

“We can build them quickly. It's just a matter of getting to them,” says Lankau. “We're also going to be doing some developments in Texas probably to start. We also have some international things that we'll be looking into next year. But right now, it's mostly in Texas. We'll be building some developments and putting those homes on the market. We hope to have some out this year and then a bigger chunk next year as we get more machines working. Those will be announced on our website.”

As HIVE 3D continues to find ways to scale its business model, there is a laser focus on the diminishing idea of the “American Dream,” where young families are able to purchase their first home. With the rising costs of supplies and labor, those families have been priced out of the market.

“That’s almost all we think about,” says Lankau. “Homeownership and that part of the American Dream is really struggling right now because the affordability gap between what the average person makes and what the average house on the market costs is just getting wider and wider.

According to Lankau, there are a lot of options to address the supply gap, but there aren’t an equal number of options to solve the affordability issue. Their goal is to find the best ways to deliver real cost savings over both traditional construction and other automated technologies.

“About three weeks ago, we kind of hit the inflection point in our current project where we printed a little house in three days. The cost of the house was what we wanted the cost to be, which is a disruptive amount less than what you could do traditionally or with any other construction technique. And we said, okay, now we're far enough along. We have this system. It's a scalable system. So, we're right now putting some capital together to go out and buy, build more of these machines and get out and start doing these truly affordable housing projects. Because that's where our heart is. Our heart's on the affordable side.”

HIVE 3D’s project in Burton, Texas isn’t available for sell yet, but it will be listed on Airbnb for interested customers to go and experience when it’s completed.

Additionally, the Casitas units in Round Top will be short-term rentals for festival patrons.

“We’ll go directly to market with our next projects,” says Lankau. “And then we'll sell that big house property in Burton at the end of this year.”

------

This article originally ran on InnovationMap.

Ad Placement 300x100
Ad Placement 300x600

CultureMap Emails are Awesome

Property Showcase

ERCOT to capture big share of U.S. solar power growth through 2027

solar growth

Much of the country’s growth in utility-scale solar power generation will happen in the grid operated by the Electric Reliability Council of Texas (ERCOT), according to a new forecast.

The U.S. Energy Information Administration (EIA) predicts that solar power supplied to the ERCOT grid will jump from 56 billion kilowatt-hours in 2025 to 106 billion kilowatt-hours by the end of 2027. That would be an increase of 89 percent.

In tandem with the rapid embrace of solar power, EIA anticipates battery storage capacity for ERCOT will expand from 15 gigawatts in 2025 to 37 gigawatts by the end of 2027, or 147 percent.

EIA expects utility-scale solar to be the country’s fastest-growing source of power generation from 2025 to 2027. It anticipates that this source will climb from 290 billion kilowatt-hours last year to 424 billion kilowatt-hours next year, or 46 percent.

Based on EIA’s projections, ERCOT’s territory would account for one-fourth of the country’s utility-scale solar power generation by the end of next year.

“Solar power and energy storage are the fastest-growing grid technologies in Texas, and can be deployed more quickly than any other generation resource,” according to the Texas Solar + Storage Association. “In the wholesale market, solar and storage are increasing grid reliability, delivering consumer affordability, and driving tax revenue and income streams into rural Texas.”

Shell launches hydrogen electrolyzer pilot and more energy news to know

Trending News

Editor's note: The new year brings big news in the energy transition sector, from Shell's hydrogen electrolyzer pilot to a maritime technology company on a mission to electrify ships. Below are the five most-read EnergyCapitalHTX stories from the second half of January 2026:

1. Shell partners with UK-based co. for hydrogen electrolyzer pilot

Supercritical Solutions' electrolyzer aims to deliver high-efficiency renewable hydrogen at a lower cost for the industrial hydrogen market. Photo courtesy Supercritical Solutions.

Shell Global Solutions International, a subsidiary of Shell, which maintains its U.S. headquarters in Houston, has signed a collaboration agreement with London-based Supercritical Solutions to advance Supercritical’s ultra-efficient hydrogen electrolyzer technology toward a field pilot demonstration. Continue reading.

2. 3 Houston-area companies named to Global Cleantech 100

Amperon, Hertha Metals and Vaulted Deep were named to this year's Global Cleantech 100 list. Photo via Getty Images

Three Houston-area companies—Amperon, Hertha Metals and Vaulted Deep—appear on this year’s Global Cleantech 100 list. The unranked list, generated by market intelligence and advisory firm Cleantech Group, identifies the 100 privately held companies around the world that are most likely to make a significant impact in the cleantech market over the next five to 10 years. Continue reading.

3. Houston maritime startup raises $43M to electrify cargo vessels

Fleetzero has raised $43 million to expand the manufacturing of its hybrid and electric marine propulsion system. Photo courtesy Fleetzero.

A Houston-based maritime technology company that is working to reduce emissions in the cargo and shipping industry has raised VC funding and opened a new Houston headquarters. Fleetzero announced that it closed a $43 million Series A financing round this month. The funding will go toward expanding manufacturing of its Leviathan hybrid and electric marine propulsion system. Continue reading.

4. Houston geothermal company raises $97M Series B

Sage Geosystems has raised a $97 million Series B. Photo via sagegeosystems.com.

Houston-based geothermal energy startup Sage Geosystems has closed its Series B fundraising round and plans to use the money to launch its first commercial next-generation geothermal power generation facility. Ormat Technologies and Carbon Direct Capital co-led the $97 million round. The new geothermal power generation facility will be located at one of Ormat Technologies' existing power plants. Continue reading.

5. Houston expert discusses the clean energy founder's paradox

Nada Ahmed. Courtesy photo

Everyone tells you to move fast and break things. In clean energy, moving fast without structural integrity means breaking the only planet we’ve got. This is the founder's paradox: you are building a company in an industry where the stakes are existential, the timelines are glacial, and the capital requires patience. Continue reading this guest column.

Expert: Why Texas must make energy transmission a top priority in 2026

guest column

Texas takes pride in running one of the most dynamic and deregulated energy markets in the world, but conversations about electricity rarely focus on what keeps it moving: transmission infrastructure.

As ERCOT projects unprecedented electricity demand growth and grid operators update their forecasts for 2026, it’s becoming increasingly clear that generation, whether renewable or fossil, is only part of the solution. Transmission buildout and sound governing policy now stand as the linchpin for reliability, cost containment, and long-term resilience in a grid under unprecedented stress.

At the heart of this urgency is one simple thing: demand. Over 2024 and 2025, ERCOT has been breaking records at a pace we haven’t seen before. From January through September of 2025 alone, electricity use jumped more than 5% over the year before, the fastest growth of any major U.S. grid. And it’s not slowing down.

The Energy Information Administration expects demand to climb another 14% in 2026, pushing total consumption to roughly 425 terawatt-hours in just the first nine months. That surge isn’t just about more people moving to Texas or running their homes differently; it’s being driven by massive industrial and technology loads that simply weren’t part of the equation ten years ago.

The most dramatic contributor to that rising demand is large-scale infrastructure such as data centers, cloud computing campuses, crypto mining facilities, and electrified industrial sectors. In the latest ERCOT planning update, more than 233 gigawatts of total “large load” interconnection requests were being tracked, an almost 300% jump over just a year earlier, with more than 70% of those requests tied to data centers.

Imagine hundreds of new power plants requesting to connect to the grid, all demanding uninterrupted power 24/7. That’s the scale of the transition Texas is facing, and it’s one of the major reasons transmission planning is no longer back-of-house policy talk but a central grid imperative.

Yet transmission is complicated, costly, and inherently long-lead. It takes three to six years to build new transmission infrastructure, compared with six to twelve months to add a new load or generation project.

This is where Texas will feel the most tension. Current infrastructure can add customers and power plants quickly, but the lines to connect them reliably take time, money, permitting, and political will.

To address these impending needs, ERCOT wrapped up its 2024 Regional Transmission Plan (RTP) at the end of last year, and the message was pretty clear: we’ve got work to do. The plan calls for 274 transmission projects and about 6,000 miles of new, rebuilt, or upgraded lines just to handle the growth coming our way and keep the lights on.

The plan also suggests upgrading to 765-kilovolt transmission lines, a big step beyond the standard 345-kV system. When you start talking about 765-kilovolt transmission lines, that’s a big leap from what Texas normally uses. Those lines are built to move a massive amount of power over long distances, but they’re expensive and complicated, so they’re only considered when planners expect demand to grow far beyond normal levels. Recommending them is a clear signal that incremental upgrades won’t be enough to keep up with where electricity demand is headed.

There’s a reason transmission is suddenly getting so much attention. ERCOT and just about every industry analyst watching Texas are projecting that electricity demand could climb as high as 218 gigawatts by 2031 if even a portion of the massive queue of large-load projects actually comes online. When you focus only on what’s likely to get built, the takeaway is the same: demand is going to stay well above anything we’ve seen before, driven largely by the steady expansion of data centers, cloud computing, and digital infrastructure across the state.

Ultimately, the decisions Texas makes on transmission investment and the policies that determine how those costs are allocated will shape whether 2026 and the years ahead bring greater stability or continued volatility to the grid. Thoughtful planning can support growth while protecting reliability and affordability, but falling short risks making volatility a lasting feature of Texas’s energy landscape.

Transmission Policy: The Other Half of the Equation

Infrastructure investment delivers results only when paired with policies that allow it to operate efficiently and at scale. Recognizing that markets alone won’t solve these challenges, Texas lawmakers and regulators have started creating guardrails.

For example, Senate Bill 6, now part of state law, aims to improve how large energy consumers are managed on the grid, including new rules for data center operations during emergencies and requirements around interconnection. Data centers may even be required to disconnect under extreme conditions to protect overall system reliability, a novel and necessary rule given their scale.

Similarly, House Bill 5066 changed how load forecasting occurs by requiring ERCOT to include utility-reported projections in its planning processes, ensuring transmission planning incorporates real-world expectations. These policy updates matter because grid planning isn’t just a technical checklist. It’s about making sure investment incentives, permitting decisions, and cost-sharing rules are aligned so Texas can grow its economy without putting unnecessary pressure on consumers.

Without thoughtful policy, we risk repeating past grid management mistakes. For example, if transmission projects are delayed or underfunded while new high-demand loads come online, we could see congestion worsen. If that happens, affordable electricity would be located farther from where it’s needed, limiting access to low-cost power for consumers and slowing overall economic growth. That’s especially critical in regions like Houston, where energy costs are already a hot topic for households and businesses alike.

A 2026 View: Strategy Over Shortage

As we look toward 2026, here are the transmission and policy trends that matter most:

  • Pipeline of Projects Must Stay on Track: ERCOT’s RTP is ambitious, and keeping those 274 projects, thousands of circuit miles, and next-generation 765-kV lines moving is crucial for reliability and cost containment.
  • Large Load Forecasting Must Be Nuanced: The explosion in large-load interconnection requests, whether or not every project materializes, signals demand pressure that transmission planners cannot ignore. Building lines ahead of realized demand is not wasteful planning; it’s insurance against cost and reliability breakdowns.
  • Policy Frameworks Must Evolve: Laws like SB 6 and HB 5066 are just the beginning. Texas needs transparent rules for cost allocation, interconnection standards, and emergency protocols that keep consumers protected while supporting innovation and economic growth.
  • Coordination Among Stakeholders Is Critical: Transmission doesn’t stop at one utility’s borders. Regional cooperation among utilities, ERCOT, and local stakeholders is essential to manage congestion and develop systemwide reliability solutions.

Here’s the bottom line: Generation gets the headlines, but transmission makes the grid work. Without a robust transmission buildout and thoughtful governance, even the most advanced generation mix that includes wind, solar, gas, and storage will struggle to deliver the reliability Texans expect at a price they can afford.

In 2026, Texas is not merely testing its grid’s capacity to produce power; it’s testing its ability to move that power where it’s needed most. How we rise to meet that challenge will define the next decade of energy in the Lone Star State.

———

Sam Luna is director at BKV Energy, where he oversees brand and go-to-market strategy, customer experience, marketing execution, and more.

View All Listings