Six companies have joined Greentown Houston, focused on long-duration energy storage systems, 3D solar towers and more. Photo courtesy Greentown Labs.

Greentown Labs adds 6 Texas clean energy startups to Houston incubator

green team

Greentown Labs announced the six startups to join its Houston community in Q2 of 2025.

The companies are among a group of 13 that joined the climatetech incubator, which is co-located in Houston and Boston, in the same time period. The companies that joined the Houston-based lab specialize in a number of clean energy applications, from long-duration energy storage systems to 3D solar towers.

The new Houston members include:

  • Encore CO2, a Louisiana-based company that converts CO2 into ethanol, acetate, ethylene and other sustainable chemicals through its innovative electrolysis technology
  • Janta Power, a Dallas-based company with proprietary 3D-solar-tower technology that deploys solar power vertically rather than flatly, increasing power and energy generation
  • Licube, an Austin-based company focused on sustainable lithium recovery from underutilized sources using its proprietary and patented electrodialysis technology
  • Newfound Materials, a Houston-based company that has developed a predictive engine for materials R&D
  • Pix Force, a Houston-based company that develops AI algorithms to inspect substations, transmission lines and photovoltaic plants using drones
  • Wattsto Energy, a Houston-based manufacturer of a long-duration-energy-storage system with a unique hybrid design that provides fast, safe, sustainable and cost-effective energy storage at the microgrid and grid levels

Seven other companies will join Greentown Boston's incubator. See the full list here.

Greentown Houston also added five startups to its local lab in Q1. Read more about the companies here.

The Rice Alliance Clean Energy Accelerator has named its fifth cohort. Photo via the Ion

Houston cleantech accelerator names 12 startups to 2025 cohort

early-stage accelerator

The Rice Alliance Clean Energy Accelerator has named 12 early-stage startups to its latest cohort.

The hybrid program, which operates in a hybrid capacity based out of the Ion, runs for 10 weeks and provides energy transition startups with training focused on fundraising, pilots, partnerships and sale. It begins July 8 and will be led by executive director Kerri Smith and program director Matthew Peña with support from executives-in-residence Lynn Frostman, John Jeffers, David Horsup and Dev Motiram.

The accelerator will culminate with a demo day on Sept. 18 at the Rice Alliance Energy Tech Venture Forum during the Houston Energy and Climate Startup Week.

Members of this year's cohort come from the Houston area as well as across the U.S. and Canada.

Class 5 for the Rice Alliance Clean Energy Accelerator includes:

  • Aqua-Cell Energy, which builds industrial-scale overnight batteries to provide affordable solar power
  • Arculus, a company that provides multilayer internal coating for pipelines that lowers friction, extends pipeline life and enables carbon dioxide transport and hydrogen blending
  • AtmoSpark, a Houston-based sustainable cooling and freshwater company that provides an electric field-driven air separation system that reduces dehumidification energy costs for data centers and industrial facilities
  • AtoMe, which delivers durable metallic composites to energy and aerospace companies using an eco-friendly dry blade method that eliminates harmful chemicals
  • ConceptLoop, a company that converts plastic waste into eco-friendly, low-carbon aggregate
  • Fathom Storage, which provides a more solidly embedded and steel-efficient anchoring solution for offshore service providers, wind energy developers and research institutes
  • GeoKiln, a Houston-based company that addresses issues of subsurface hydrogen extraction by applying proven oil and gas techniques to accelerate natural hydrogen reactions, enabling hydrogen production
  • Innowind Energy Solutions, a company that provides nonintrusive, active flow control devices to boost energy production and extend turbine lifespan
  • Lukera Energy, which transforms waste methane into high-value methanol using a breakthrough nanobubble technology
  • Metal Light Inc., which has developed a scalable, cost-effective Metal-Air generator to replace diesel generators
  • Moonshot Hydrogen, a company that converts food and agricultural waste into clean hydrogen and bioethanol
  • Resollant, a Woodlands-based company that delivers compact, zero-emission hydrogen and carbon reactors to refineries, petrochemical plants, steel and cement manufacturers and fuel producers

The Rice Alliance Clean Energy Accelerator has supported 55 ventures since it was founded in 2021, collectively raising over $250 million in funding, according to the university. See last year's cohort here.

Houston-based energy tech-oriented companies will be invited to the pitching event for Antwerp and Houston Cleantech Entrepreneurs from 2 to 5 pm on December 3 at The Ion. Photo via the Ion

Houston to host cleantech collaboration with delegation from Belgium

this week

A delegation of nine startups from Antwerp, Belgium, along with industry experts will visit Houston from December 2 through December 6, which will include The Greater Houston Partnership, Greentown Labs, The Ion, and The Cannon.

The delegation will represent cleantech, sustainable chemistry, and energy tech sectors to engage with Houston’s energy transition ecosystem and identify collaboration and investment opportunities.

Houston-based energy tech-oriented companies will be invited to the pitching event for Antwerp and Houston Cleantech Entrepreneurs from 2 to 5 pm on December 3 at The Ion. Interested entrepreneurs can register at this link.

Antwerp and Houston are considered two of the world's largest petrochemical hubs, and also part of the leading innovators in the cleantech, sustainable chemistry, and energy tech sectors. The event will be organized by the Port of Antwerp-Bruges, BlueChem (an Antwerp-based sustainable chemistry incubator), the city of Antwerp, and Flanders Investment and Trade.

“Antwerp and Houston are known for their ports and petrochemical industries, but fewer people realize the remarkable cleantech, sustainable chemistry, and energytech ecosystems that have emerged around these hubs,” Nathalie Mathys, head of office at FIT Houston, says in a news release.

The Port of Antwerp-Bruges is known for innovating new technologies, which includes 5G, digital twins, artificial intelligence, drones, and advanced sensors. Antwerp has over 350 startups and nine incubators and accelerators.

“This delegation visit highlights the potential for collaboration between two of the most dynamic regions in these fields, paving the way for a cleaner, more sustainable future,” adds Mathys.

Plug and Play is opening a Sugar Land hub to accelerate startups and innovation across smart cities, energy, health, and mobility sectors. Photo courtesy of Plug and Play

Global organization unveils new location in Houston suburb to drive energy transition innovation and beyond

moving in

Leading innovation platform Plug and Play announced the opening of its new flagship Houston-area location in Sugar Land, which is its fourth location in Texas.

Plug and Play has accelerated over 2,700 startups globally last year with corporate partners that include Dell Technologies, Daikin, Microsoft, LG Chem, Shell, and Mercedes. The company’s portfolio includes PayPal, Dropbox, LendingClub, and Course Hero, with 8 percent of the portfolio valued at over $100 million.

The deal, which facilitated by the Sugar Land Office of Economic Development and Tourism, will bring a new office for the organization to Sugar Land Town Square with leasing and hiring between December and January.

The focus will be on “smart cities,” which include energy, health, transportation, and mobility sectors. The official launch is slated for the first quarter of 2025, and will feature 15 startups announced on Selection Day.

"By expanding to Sugar Land, we’re creating a space where startups can access resources, build partnerships, and scale rapidly,” VP Growth Strategy at Plug and Play Sherif Saadawi says in a news release. “This location will help fuel Texas' innovation ecosystem, providing entrepreneurs with the tools and networks they need to drive real-world impact and contribute to the state’s technological and economic growth."

Plug and Play plans to hire four full-time equivalent employees and accelerate two startup batches per year. One Sugar Land City representative will serve as a board member.

“We are excited to welcome Plug and Play to Sugar Land,” Mayor of Sugar Land Joe Zimmerma adds. “This investment will help us connect with corporate contacts and experts in startups and businesses that would take us many years to reach on our own. It allows us to create a presence, attract investments and jobs to the city, and hopefully become a base of operations for some of these high-growth companies.”

The organization originally entered the Houston market in 2019 and now has locations in Bryan/College Station, Frisco, and Cedar Park in Texas.

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This article originally ran on InnovationMap.

The potential SBIR rewards far outweigh the challenges, and with determination, your startup could be the next success story. Photo via Getty Images

Expert: Demystifying SBIR grants for Houston energy transition startups

guest column

Grants are everywhere, all the time, but often seem unobtainable for startups. Most companies tell me about their competitors winning grants but don’t know how to secure non-dilutive funding for themselves. It’s true that the SBIR program is competitive — with only 10 to 15 percent of applicants receiving awards — but with a little guidance and perseverance, they are most definitely obtainable.

An SBIR overview

The Small Business Innovation Research program was introduced on the federal level in 1982 with the purpose of de-risking early technologies. While most investors are hesitant to invest in a company that’s still in ideation, the SBIR program would provide an initial level of feasibility funding to develop a prototype. The program issues funds to companies without taking any equity, IP, or asking for the money back.

Since its inception, the SBIR program has funded over 200,000 projects through 11 different federal agencies, including, but not limited to, the Department of Defense, the National Institute of Health, and the National Science Foundation. Federal agencies with R&D budgets over $100 million dedicate at least 3.2 percent of their budget to the SBIR program to fund research initiated by small businesses.

Eligibility and application process

It is no surprise that only small businesses can apply for this non-dilutive funding. For SBIR purposes, a small business is defined as being a for-profit entity, smaller than 500 employees, 51 percent owned by US citizens or permanent residents, and not primarily owned by venture capital groups. This small business must also have the rights to the IP that needs de-risking.

To apply, the small business must have a specific project that needs funding. Normally, this project will have three specific aims that detail the action items that will be attempted during the funded period. Some agencies require a pre-application, like a letter of intent (DOE) or a project pitch (NSF). Others don’t have a screening process and you can simply submit a full application at the deadline. Most agencies published examples of funded or denied applications for you to review.

SBIR phases

Phase I of the SBIR program is the normal entry point for every agency. It takes your product from ideation, through a feasibility study, to having a prototype. While agencies provide various funding amounts, the range is between $75,000 to $300,000 for 3 to 12 months of R&D activities. Applications contain a feasibility research plan (around six pages), an abstract, specific aims, supporting documents, and a budget.

While some programs allow for Direct to Phase II (D2P2) applications, most don’t apply for Phase II until they have secured Phase I funding. This second phase allows companies with completed feasibility studies to test their new prototype at a larger scale. The budgets for this phase range from $600,000 to $3 million and span an average of two years. The research plan is twice as robust and a commercialization plan is also needed.

Tips for success

If you’re wondering if your technology would be a good fit for a certain program, you can start by looking at the SBIR website to see the previously funded projects. The more recent projects will give you an idea of the funding priorities for each agency. Most abstracts will allude to the specific aims, meaning you can get a sense of the research projects that were approved. If you regularly see an agency funding projects similar to yours, you can search sbir.gov/topics for that agency’s research topics and upcoming deadlines.

Your team is one of the most important aspects of the application. Since you will be reviewed by academic experts, it’s helpful to have a principal investigator on your project that has a history of experience or publications with similar technology. Keep in mind that this principal investigator must be primarily employed by your company at the time of the grant. If this individual is employed by a university or nonprofit research organization, consider taking the STTR route so you can utilize their expertise.

Preparing Phase I applications should take no less than eight weeks, and Phase II should take at least ten. Your first step should be read the entire solicitation and create action items. The early action items should be

  1. Completing government registrations, like SAM.gov
  2. Writing your abstract and specific aims
  3. Contacting the program manager or director for early feedback

Any bids, estimates, or letters of support may also take time to receive, so don’t delay pursuing these items.

Don’t stop trying

If you speak to any program officer, they will encourage you to keep applying. For resubmissions, you will have a chance to explain why your previous application was denied and what you’ve done to improve. Most companies receive funding on the resubmission. If you get the feeling that a specific agency isn’t the right fit, reach out to other agencies that may be interested in the technology. You may realize that a small pivot may open up better opportunities.

There are frequently published webinars from different agencies that will give overviews of the specific solicitations and allow for Q&A. If you feel stuck or are still concerned about getting started, reach out to an individual or group that can provide guidance. There are plenty of grant writers, some of which have reviewed for the SBIR program for different agencies, who can provide strategy, guidance, reviews, and writing services to provide different levels of help.

Securing SBIR funding can be a game-changer for startups. While the process may seem daunting at first, with the right approach and persistence, it’s very obtainable. Remember, each application is a learning experience, and every iteration brings you closer to success. Whether you seek support from webinars, program officers, or professional grant writers, the key is to keep pushing forward. The potential rewards far outweigh the challenges, and with determination, your startup could be the next SBIR success story.

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Robert Wegner is the director of business development for Euroleader.

This article originally ran on InnovationMap.

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D.C. energy company secures $233M for ERCOT battery storage projects

fresh funding

The Electricity Reliability Council of Texas’ grid will get a boost courtesy of Lydian Energy.

The D.C.-based company announced the successful financial close of its first institutional project financing totaling $233 million, backed by ING Group and KeyBank. The financing will support three battery energy storage system (BESS) projects in Texas.

Lydian is an independent power producer that specializes in the development, construction and operation of utility-scale solar and battery energy storage projects. The company reports that it plans to add 550 megawatts of energy—which can power approximately 412,500 homes—to the Texas grid administered by ERCOT.

“This financing marks an important step forward as we continue executing on our vision to scale transformative battery storage projects that meet the evolving energy needs of the communities we serve,” Emre Ersenkal, CEO at Lydian Energy, said in a news release.

The projects include:

Pintail 

  • Located in San Patricio county
  • 200 megawatts
  • Backed by ING

Crane

  • Located in Crane county
  • 200 megawatts
  • Backed by ING

Headcamp

  • Located in Pecos county
  • 150 megawatts
  • Backed by KeyBank

ING served as the lender for Pintail and Crane projects valued at a combined total of approximately $139 million.

KeyBank provided a $94 million financing package for the Headcamp project. KeyBanc Capital Markets also structured the financing package for Headcamp.

The three projects are being developed under Excelsior Energy Capital’s Fund II. Lydian’s current portfolio comprises 20 solar and storage projects, totaling 4.7 gigawatts of capacity.

“Our support of Lydian’s portfolio reflects ING’s focus on identifying strategic funding opportunities that align with the accelerating demand for sustainable power,” Sven Wellock, managing director and head of energy–renewables and power at ING, said in the release. “Battery storage plays a central role in supporting grid resilience, and we’re pleased to back a platform with strong fundamentals and a clear execution path.”

The facilities are expected to be placed in service by Q4 2025. Lydian is also pursuing additional financing for further projects, which are expected to commence construction by the end of 2025.

“These financings represent more than capital – they reflect the strong demand for reliable energy infrastructure in high-growth U.S. markets,” Anne Marie Denman, co-founding partner at Excelsior Energy Capital and chair of the board at Lydian Energy, added in the news release. “We’re proud to stand behind Lydian’s talented team as they deliver on the promise of battery storage with bankable projects, proven partners, and disciplined execution. In the midst of a lot of noise, these financings are a reminder that capital flows where infrastructure is satisfying fundamental needs of our society – in this case, the need for reliable, sustainable, domestic, and affordable energy.”

Houston American Energy closes acquisition of New York low-carbon fuel co.

power deal

Renewable energy company Houston American Energy Corp. (NYSE: HUSA) has acquired Abundia Global Impact Group, according to a news release.

Houston American reports that the acquisition will allow it to create a combined company focused on converting waste plastics into high-value, drop-in, low-carbon fuels and chemical products. It plans to move forward with Abundia’s plans for developing large-scale recycling projects, with a new facility previously announced for the Gulf Coast, located in Cedar Port Industrial Park, near the Baytown area of Houston.

New York-based Abundia used its proprietary pyrolysis process to convert plastic and certified biomass waste into high-quality renewable fuels. Its founder, Ed Gillespie, will serve as CEO of the combined company and will join HUSA’s board of directors. Peter Longo, who previously served as HUSA's CEO, will serve as chairman of the board. Lucie Harwood was named CFO and Joseph Gasik will serve as COO.

“The completion of this acquisition represents a pivotal transformation for HUSA,” Longo said in a news release. “Abundia has a commercially ready solution for converting waste into valuable fuels and chemicals, with a backlog of development opportunities utilizing proprietary technologies and key industry partnerships. This transaction gives HUSA shareholders a ready-made platform and project pipeline for future value generation as the fuel and chemical industries accelerate their adoption of low-carbon solutions and sustainable aviation fuel.”

The combined company plans to serve what it estimates is a multi-billion-dollar global demand for renewable fuels, Sustainable Aviation Fuel (SAF) and recycled chemical feedstocks, according to the news release.

“This is a landmark moment for Abundia and a major step forward for the renewable industry,” Gillespie added in the release. “Joining forces with HUSA and entering the public capital markets positions us to accelerate growth, scale our technology and expand our influence within the renewable and recycling industries. I am proud of the hard work and determination of both the AGIG and HUSA teams to finalize this transaction. We look forward to delivering shareholder value and critical technologies to reduce carbon emissions.”

Houston American Energy announced the deal in March. The company also closed a $4.42 million registered direct offering in January.

Tesla announces annual meeting under pressure from shareholders

Tesla Talk

Tesla has scheduled an annual shareholder meeting for November, one day after it came under pressure from major shareholders to do so.

Billionaire Elon Musk's company said in a regulatory filing on Thursday that the meeting would be held Nov. 6, but that may prove troublesome because it comes nearly three months after it is required to do so under state law in Texas, where the company is incorporated.

The annual meeting, given Tesla's fortunes this year, has the potential to be a raucous event and it is unclear how investors will react to the delay, which is rare for any major U.S. corporation.

Tesla shares have plunged 27% this year, largely due to blowback over Musk's affiliation with President Donald Trump, as well as rising competition.

The announcement of the meeting comes a day after a group of more than 20 Tesla shareholders sent a letter to the company's board pressing for an annual meeting after receiving no word of one with the deadline just days away.

Many shareholders have been miffed by Musk's participation in the Trump administration this year, saying he needs to focus on his EV company which is facing extraordinary pressures.

“An annual meeting provides shareholders with the opportunity to hear directly from the board about these concerns, and to vote for or against directors, the board’s approach to executive compensation, and other matters of material importance,” the group said in the letter.

The group cited Texas law, which requires companies to schedule annual shareholders meetings within 13 months of the prior annual meeting.

Tesla’s last shareholders meeting was on June 13 of last year, where investors voted to restore Musk’s record $44.9 billion pay package that was thrown out by a Delaware judge earlier that year.

Also on Thursday, Musk that the Grok chatbot will be heading to Tesla vehicles.

“Grok is coming to Tesla vehicles very soon. Next week at the latest,” Musk said on social media platform X, in response to a post stating that Grok implementation on Teslas wasn't announced on a Grok livestream Wednesday.

Grok was developed by Musk’s artificial intelligence company xAI and pitched as an alternative to “woke AI” interactions from rival chatbots like Google’s Gemini, or OpenAI’s ChatGPT.

Shares of Tesla rose 3% at the opening bell after tumbling this week when the feud between Trump and Musk heated up again.