Houston startup Sage Geosystems has tapped a utility provider for an energy storage facility in the San Antonio metro area. Photo via sagegeosystems.com

Houston-based geothermal energy startup Sage Geosystems has teamed up with a utility provider for an energy storage facility in the San Antonio metro area.

The three-megawatt EarthStore facility will be on land controlled by the San Miguel Electric Cooperative, which produces electricity for customers in 47 South Texas counties. The facility will be located in the town of Christine, near the cooperative’s coal-fired power plant.

Sage says its energy storage system will be paired with solar energy to supply power for the grid operated by the Electric Reliability Council of Texas (ERCOT). The facility is set to open later this year.

“Once operational, our EarthStore facility in Christine will be the first geothermal energy storage system to store potential energy deep in the earth and supply electrons to a power grid,” Cindy Taff, CEO of Sage Geosystems, says in a news release.

The facility is being designed to store geothermal energy during six- to 10-hour periods.

“Long-duration energy storage is crucial for the ERCOT utility grid, especially with the increasing integration of intermittent wind and solar power generation,” says Craig Courter, CEO of the San Miguel Electric Cooperative.

The latest investigation of CenterPoint Energy comes after state regulators and Republican Gov. Greg Abbott have also demanded answers about storm preparations and the response to Beryl. Photo via Getty Images

Texas launches new investigation into Houston's power utility following deadly outages after Beryl

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Texas' attorney general launched an investigation Monday into Houston's electric utility over allegations of fraud and waste following Hurricane Beryl, adding to the mounting scrutiny after widespread power outages left millions without electricity for days.

The latest investigation of CenterPoint Energy comes after state regulators and Republican Gov. Greg Abbott have also demanded answers about storm preparations and the response to Beryl, a Category 1 hurricane that knocked out power to nearly 3 million people around the nation’s fourth-largest city.

The storm was blamed for at least three dozen deaths, including those of some residents who died in homes that were left without air conditioning in sweltering heat after the storm's passage.

“My office is aware of concerning allegations regarding CenterPoint and how its conduct affected readiness during Hurricane Beryl,” Ken Paxton, the state's Republican attorney general, said in a statement. “If the investigation uncovers unlawful activity, that activity will be met with the full force of the law.”

The utility pledged its support of the investigation.

“We look forward to cooperating with the Texas Attorney General or any other agency and have made clear our commitment to upholding the values of our company,” CenterPoint spokesperson John Sousa said.

Paxton did not cite any specific allegations of waste or fraud in his announcement and his office did not respond to requests for comment.

Abbott has demanded answers from CenterPoint for what he called its slow restoration efforts and poor communication with customers in the days leading up to the storm. The state's Public Utility Commission has launched its own investigation, and lawmakers grilled the company’s top executive over its failures at a hearing last month.

CenterPoint has largely defended its storm preparedness and said that it deployed thousands of additional workers to help restore power. The utility provider has also begun a monthslong plan to replace hundreds of wooden utility poles and double its tree-trimming efforts after the governor pressed for swift action.

Beryl damaged power lines and uprooted trees when it made its Texas landfall on July 8. It’s the latest natural disaster to hit Houston after a powerful storm ripped through the area in May, leaving nearly 1 million people without power.

Many residents fear that chronic outages have become the norm after Texas’ power grid failed amid a deadly winter storm in 2021.

CenterPoint has previously faced questions over the reliability of Houston's power grid.

In 2008, Hurricane Ike, a Category 2 storm, knocked out power to more than 2 people million and it took 19 days to fully restore electricity. The city of Houston created a task force initiative to investigate the company's response and determined it needed to automate parts of its grid to minimize outages.

CenterPoint received millions of dollars in federal funding to implement this technology years ago. However, according to executive vice president Jason Ryan, it's still a work in progress.

Some utility experts and critics say the company hasn’t adapted its technology fast enough to meet the extreme weather conditions Texas will continue to face.

Catalyze has teamed up with Cushman & Wakefield to expand installation of solar panels and battery storage technology. Photo courtesy of Catalyze

Houston renewable energy developer teams up with global commercial real estate biz

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Houston-based Catalyze, a developer of independent power systems, has teamed up with commercial real estate services powerhouse Cushman & Wakefield to expand installation of solar panels and battery storage technology at U.S. commercial and industrial properties.

The two companies say the partnership will help owners and tenants of office buildings, warehouses, and other commercial properties reduce utility costs, boost operating income, achieve environmental goals and ease stress on the power grid.

“This partnership marks a significant step forward in our mission to accelerate the adoption of renewable energy among commercial and industrial customers, benefiting both tenants and building owners,” Jared Haines, CEO of Catalyze, says in a news release.

The partnership will enable Cushman & Wakefield to decrease greenhouse gas emissions at facilities it manages for clients as well as its own corporate offices. The real estate sector accounts for about 40 percent of greenhouse gas emissions around the world.

“Our strategic partnership with Catalyze is a testament to our shared commitment to decarbonize the built environment by being at the forefront of the clean energy revolution,” says Jessica Francisco, Cushman & Wakefield’s chief sustainability officer. “Together, we are poised to advance the adoption of solar and storage technologies while driving down costs for our clients.”

In May, Catalyze announced that it secured $100 million in financing from NY Green Bank to support a 79 megawatt portfolio of community distributed generation solar projects across the state of New York.

Solar Slice Founder Nathan Childress says his new venture offers a fulfilling way to encourage and promote solar energy and a greener planet. Photo by Pixabay

Houston entrepreneur launches new venture to shine light on sustainability

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A Houston nuclear engineer and entrepreneur wants consumers to capture their own ray of sunlight to brighten the prospect of making clean energy a bigger part of the power grid.

Solar Slice Founder Nathan Childress says his new venture offers a fulfilling way to encourage and promote solar energy and a greener planet. An experienced entrepreneur, Childress also serves as founder and CEO of technology software company Macorva.

Although trained in nuclear power plant design, solar power drew his interest as a cheaper and more accessible alternative, and Childress tells InnovationMap that he thinks that the transition to cleaner energy, in Texas especially, needs to step up.

With energy demand skyrocketing, and the push toward renewable solutions, solar seems like a safe bet for Childress, a former competitive high-stakes poker player. Childress cites a recent Yale University study that says 63 percent of Americans “feel a personal responsibility to help reduce global warming.”

But some studies show that 80 to 90 percent of the money invested into fighting climate change “aren’t going to things that people actually consider helpful,” he says.

“They’re more just projects that sound good, that are not actually taking any action,” says Childress, who has called Houston home for 25 years. He received his doctorate in medical physics at M.D. Anderson Cancer Center, where he worked on software that provided radiation therapy for patients.

The initial Kickstarter fundraising round, which will be launched soon, will finance the construction of one utility-scale solar farm, on about five to 10 acres, which would produce about 1 megawatt, or 1,000 kilowatts, of clean energy. The plant would make enough energy to power about 200 average homes.

Childress says interest has been strong, with several thousand signed up on the Kickstarter launch list. Some who are signed up expressed interest in a subscription, he said, and that may be offered later. Initially, though, for a one-time purchase of $95, a Solar Slice client can purchase one virtual 50W slice of solar power, produced by the farm. Over its lifetime, Childress says, that one purchase can offset three tons of carbon dioxide.

The app tracks carbon offsetting, and energy production for the slice, showing a client “exactly how much I have helped the climate, here’s exactly how (many) emissions I have prevented from putting in the atmosphere,” he says.

The energy produced by five slices can offset the average American’s carbon footprint for a year, and the power generated by the solar farm will be sold to the electric grid. As clients purchase more slices, they can earn eco-credits to donate to other climate-friendly partners, to plant trees or create pollinator habitats.

While Solar Slice is a for-profit venture, contributors won’t get rich or even make money from their purchase. Rather, it provides validation.

“Our focus is maximizing the real world impact, not for financial gain. This is not something people sign up (for) to make money. We’re really clear about that,” Childress says. “I want to show that it’s possible to have a for-profit company that is sustainable, that does good work.

“And hopefully, we can be part of the spirit…for a bigger movement, and for consumers and business, especially, to do things that matter.”

Solar Slice Founder Nathan Childress says his new venture offers a fulfilling way to encourage and promote solar energy and a greener planet. Photo courtesy

The largest U.S. solar plants are in Nevada and California, and those states are sites under consideration, but Childress says Texas is the most likely home for the initial project. The ten largest utility-scale solar plants in Texas by capacity are all in far west or central parts of the state, according to the state comptroller’s office.

Childress has a team of four, who are handling the marketing, plant design and site scouting, and hopes to hire five to 10 more, depending on response and growth. He says the Solar Slice consumer can directly connect in real time to the contribution that their purchase will make toward a green energy future.

“That was our inspiration..let’s start something that is really making a difference..and making really clear to the individuals what’s being done,” he says.

Solar energy has become a growing source of power for Texas, comprising about 6 percent of the state’s energy generation, as of 2022, the comptroller’s office says.

The state ranks first in projected growth of solar energy over the next five years, with more than 9,500 operating solar plants, and many thousands more announced, according to the state Public Utility Commission.

“We would absolutely love to make this into something where we are building plants around the nation, around the world,” Childress he says.

However, resistance to alternative energy projects like solar and wind, especially on a large scale, remains in some quarters.

Obtaining site permits for swaths of land can be also a challenge. For example, a recent survey by Berkeley Lab of 123 professionals from 62 unique, large-scale wind and solar energy facilities showed that about one-third of wind and solar siting applications in the past five years were canceled.

Half of the projects experienced delays of six months or longer. And according to the survey, developers expect the trend to continue, and become more expensive to address.

However, another Berkeley Lab survey of residents who live within three miles of a solar power plant showed that most view the plant positively. The larger the plant, the more negative the response in the survey. The smaller the farm, the more positive the reactions.

Childress says many of the common objections to utility-scale solar farms are misguided, and incorrect. For example, the concern that they would take over available farmland or take up too much space.

He says that even if the entire U.S. power grid relied solely on solar power, the plants would occupy not even a half percent of available land, which is about one percent farmland.

This latest incident is more than a sign that Houstonians must take control of their power. Photo by Eric Turnquist

Op-Ed: To protect the Texas grid, help Texans protect themselves

guest column

On the evening of May 16, a devastating “derecho” storm howled through Houston. Nearly 800,000 customers lost power. Many were still without electricity days later, as a heat wave baked neighborhoods that couldn’t power air conditioners.

It was yet another unwelcome reminder about the precariousness of the power grid.

These outages followed repeated grid warnings, conservation calls, and near-misses last summer and the summer before, as well as the catastrophic Winter Storm Uri freeze in February 2021.

The outages also preceded the increasingly extreme weather Texas faces and staggering growth on the ERCOT grid: after growing about 1 percent a year for 20 years, the power grid covering most of Texas may need to be 78 percent bigger by 2030.

So, this latest incident is more than a sign that Houstonians must take control of their power. It also shows that more and more, the state needs you to act.

Like any other market, a power grid runs on supply and demand. The supply of Texas energy is growing, which is great. At the same time, the economy is booming, leaving Texas setting demand records almost constantly. Generators can’t always keep up, especially when power plants break down or don’t produce electricity — there’s about an 18 percent chance that Texas will face at least one grid emergency this summer.

With odds like that, it’s no wonder that more and more Texans are finding ways to live more powerfully. Many are investing in solar panels and energy storage devices like Tesla Powerwalls.

These systems let families and business owners generate electricity during the day, store it, and use it later when there’s an emergency or just when power is scarce. They protect people from high bills and blackouts; it’s no coincidence that just since last month's storm, we've seen a five-fold increase in leads, reflecting a huge growth in interest in solar power. Further, since the storm, 90 percent of new Houston-area solar customers have bought backup battery systems, compared to 50 percent in 2024 and less than 25 percent in 2023.

That pattern has repeated across the country after severe weather events.

Homeowners and business owners can also slash their bills by weatherizing houses and buildings, the way power plants did after Uri. Advanced devices that help people automatically, and voluntarily, reduce electricity use when the grid is stretched would also help.

These improvements and investments would help more than just homeowners and business owners — they’d help the entire power grid. Every kilowatt that someone doesn’t need or can generate themselves frees up power for other families and businesses across the grid. That helps Texas keep the lights on, especially if electricity demand is about to spike as dramatically as the state expects.

Texas already incentivizes conservation and generation at a large scale. For example, large users like manufacturers and crypto miners get paid by ERCOT for reducing electricity use when the grid is stretched. And just last year, the legislature passed a $10 billion program to help fund new gas power plants.

It’s past time to extend similar incentives to everyday Texans, especially when we’re increasingly called upon to help ERCOT keep the lights on.

If crypto companies get money for reducing electricity use when ERCOT asks them to, then residential and business customers deserve to get paid too. The state could help Texans invest in technologies and smart metering programs that cut bills andautomatically reward people for reducing use on the hottest afternoons and coldest mornings.

More than that, the state has got to do more to reward solar customers who generate electricity and return it to the grid when demand rises. These virtual power plants will increasingly provide vital power when the state badly needs it, and consumers need to be rewarded for it. (Fortunately, the state is looking at strategies to take better advantage of virtual power plants.)

Finally, if Texas is helping big generators build gas plants, it should figure out ways to help regular Texans install solar panels and battery storage units. Such systems obviously help protect Texans from power outages, but they also fortify the ERCOT grid by reducing the demand on it.

Last month’s derecho was exactly the sort of freak occurrence that will become more common as the weather grows more extreme. The best way to protect the grid from such catastrophes is to protect individual Texas customers as well.

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Bret Biggart is CEO of Freedom Solar Power, a Texas-based solar company.


The United States Department of Energy is doling out over $200 million for grid improvements — and one of the largest portions will be coming to Texas. Photo via Getty Images

DOE announces over $60M in federal funding for power grid improvement

show me the money

Texas is getting $60.6 million in federal grants to bolster the state’s frequently taxed power grid.

The funding, announced July 6 by the U.S. Department of Energy, totals over $200 million to be distributed across the country. The Lone Star State's chunk will be earmarked for pinpointing gaps in the grid’s dependability and reducing weather-related grid disruptions. The Texas Division of Energy Management will decide how to dole out the money.

“By itself, is $60 million going to be determinative to make our grid reliable? Of course not,” Doug Lewin, president of Austin-based energy consulting firm Stoic Energy, tells the Austin American-Statesman. “It’ll cost more than that, but every bit counts, and $60 million is not a small amount of money, so [the state] could probably do a lot of good with that.”

The Texas grid infamously came under intense scrutiny in February 2021 during and after the statewide deep freeze. The cold snap caused power plants and natural gas facilities to fail, leading to blackouts around the state and at least 200 deaths.

The February 2021 disaster “exposed the inability of the state’s energy supply chain to withstand extremely cold temperatures,” the Federal Reserve Bank of Dallas observes. The bank adds that “questions remain whether the electrical grid is now more resilient to winter weather.”

Although the grid has held up during this year’s heat wave, some observers wonder how long the grid can handle record-setting demand and still keep the lights (and air conditioning) on. So far, an abundance of wind and solar power has rescued Texas from the same fate that crippled the state in February 2021.

All eyes then and now are on the quasi-governmental Electric Reliability Council of Texas (ERCOT), which delivers power to about 90 percent of the state.

Since ERCOT’s winter debacle two years ago, state officials have beefed up weatherization requirements for power generation, power transmission, and natural gas facilities. Meanwhile, ERCOT underwent a management overhaul and bumped up its backup supply of thermal power.

During the state legislative session in 2021, a measure that would have earmarked $2 billion for weatherization of Texas power facilities passed in the House but stalled in the Senate.

This year, Texas lawmakers created a fund containing as much as $10 billion for loans and grants to encourage construction and maintenance of gas-fueled power plants. Gov. Greg Abbott signed that bill. But separate legislation that would have set aside billions of dollars to build a network of gas-powered backup plants died in the House.

A report published in 2022 by Rice University’s Baker Institute for Public Policy faulted ERCOT for the previous year’s winter chaos but didn’t pin sole blame on the organization. The report recommended better coordination among state regulators regarding the power grid, including potential formation of a state agency dedicated solely to energy issues. Today, the Texas Railroad Commission and Public Utility Commission of Texas largely share oversight of energy matters in the state.

“All forms of generation capacity experienced failures,” says the institute’s report on the 2021 winter catastrophe, “but bureaucratic failure in identifying and addressing risks along fuel supply chains was a major failure.”

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New report maps Houston workforce development strategies as companies transition to cleaner energy

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The University of Houston’s Energy University latest study with UH’s Division of Energy and Innovation with stakeholders from the energy industry, academia have released findings from a collaborative white paper, titled "Workforce Development for the Future of Energy.”

UH Energy’s workforce analysis found that the greatest workforce gains occur with an “all-of-the-above” strategy to address the global shift towards low-carbon energy solutions. This would balance electrification and increased attention to renewables with liquid fuels, biomass, hydrogen, carbon capture, utilization and storage commonly known as CCUS, and carbon dioxide removal, according to a news release.

The authors of the paper believe this would support economic and employment growth, which would leverage workers from traditional energy sectors that may lose jobs during the transition.

The emerging hydrogen ecosystem is expected to create about 180,000 new jobs in the greater Houston area, which will offer an average annual income of approximately $75,000. Currently, 40 percent of Houston’s employment is tied to the energy sector.

“To sustain the Houston region’s growth, it’s important that we broaden workforce participation and opportunities,” Ramanan Krishnamoorti, vice president of energy and innovation at UH, says in a news release. “Ensuring workforce readiness for new energy jobs and making sure we include disadvantaged communities is crucial.”

Some of the key takeaways include strategies that include partnering for success, hands-on training programs, flexible education pathways, comprehensive support services, and early and ongoing outreach initiatives.

“The greater Houston area’s journey towards a low-carbon future is both a challenge and an opportunity,” Krishnamoorti continues. “The region’s ability to adapt and lead in this new era will depend on its commitment to collaboration, innovation, and inclusivity. By preparing its workforce, engaging its communities, and leveraging its industrial heritage, we can redefine our region and continue to thrive as a global energy leader.”

The study was backed by federal funding from the Department of the Treasury through the State of Texas under the Resources and Ecosystems Sustainability, Tourist Opportunities, and Revived Economies of the Gulf Coast States Act of 2012.

Houston-founded co. moves on in NSF circular economy accelerator

next phase

An innovative project led by Houston-founded re:3D Inc. is one of six to move forward to the next phase of the National Science Foundation's Convergence Accelerator that aims to drive solutions with societal and economic impact.

The sustainable 3D printer company will receive up to $5 million over three years as it advances on to Phase 2 of the program for its ReCreateIt project, according to a statement from the NSF. Co-funded by Australia's national science agency, the Commonwealth Scientific and Industrial Research Organisation, or CSIRO, ReCreateIt enables low-income homeowners to design sustainable home goods using recycled plastic waste through 3D-printing at its net-zero manufacturing lab.

The project is in partnership with Austin Habitat for Humanity ReStores and researchers from the University of Wollongong and Western Sydney University. CSIRO is funding the Australian researchers.

In Phase II the teams will receive training on product development, intellectual property, financial resources, sustainability planning and communications and outreach. The goal of the accelerator is to promote a "circular economy," in which resources are reused, repaired, recycled or refurbished for as long as possible.

"Progress toward a circular economy is vital for our planet's health, but it is a complex challenge to tackle," Douglas Maughan, head of the NSF Convergence Accelerator program, said in the statement. "The NSF Convergence Accelerator program is bringing together a wide range of expertise to develop critical, game-changing solutions to transition toward a regenerative growth model that reduces pressure on natural resources, creates sustainable growth and jobs, drastically reduces waste and ultimately has a positive impact on our environment and society. Phase 2 teams are expected to have strong partnerships to ensure their solutions are sustained beyond NSF support."

Other teams that are moving forward in the accelerator include:

  • FUTUR-IC: A global microchip sustainability alliance led by MIT
  • PFACTS: Led by IBM's Almaden Research Center and aiming to replace, redesign and remediate fluorine-containing per- and polyfluoroalkyl substances (PFAS)
  • SOLAR: A team led by Battelle Memorial Institute using photovoltaic circularity to develop the technology needed to achieve sustainable solar recycling
  • SpheriCity: A cross-sector tool that examines how plastics, organics and construction and demolition materials flow through local communities developed by the University of Georgia Research Foundation Inc.
  • Topological Electric: Another MIT-led team, this group aims to develop electronic and energy-harvesting device prototypes based on topological materials.

Re:3d and 15 other teams were first named to the Convergence Accelerator in 2022 with a total investment of $11.5 million. At the end of Phase 1, the teams participated in a formal Phase 2 proposal and pitch, according to the NSF. The Convergence Accelerator was launched in 2019 as part of the NSF's Directorate for Technology, Innovation and Partnerships.

This is the latest project from re:3D to land national attention and funding. Last year the company was one of 12 to receive up to $850,000 from NASA's SBIR Ignite pilot for its project that aimed to develop a recycling system that uses a 3D printer to turn thermoplastic waste generated in orbit into functional and useful objects, according to the project's proposal.

In 2022, it was also among the winners of an inaugural seed fund expo from the U.S. Small Business Administration. It also earned the prestigious Tibbetts Award from the SBA in 2021. The award honors small businesses that are at the forefront of technology.

Re:3D Inc. was founded in 2013 by NASA contractors Samantha Snabes and Matthew Fiedler and is based in Clear Lake. It's known for its GigaBot 3D printer, which uses recycled materials to create larger devices. The company announced its new Austin headquarters earlier this year.

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This article originally ran on InnovationMap.