Starlee Sykes, Archaea Energy’s CEO, shares the details of bp’s acquisition of the company and their vision for the future. Image via bp.com

bp’s Archaea Energy is the largest renewable natural gas (RNG) producer in the U.S., with an industry leading RNG platform and expertise in developing, constructing and operating RNG facilities to capture waste emissions and convert them into low carbon fuel.

Archaea partners with landfill owners, farmers and other facilities to help them transform their feedstock sources into RNG and convert these facilities into renewable energy centers.

Starlee Sykes, Archaea Energy’s CEO, shared more about bp’s acquisition of the company and their vision for the future.

HETI: bp completed its acquisition of Archaea in December 2022. What is the significance of this acquisition for bp, and how does it bolster Archaea’s mission to create sustainability and stability for future generations?  

Starlee Sykes: The acquisition was an important move to accelerate and grow our plans for bp’s bioenergy transition growth engine, one of five strategic transition growth engines. Archaea will not only play a pivotal role in bp’s transition and ambition to reach net zero by 2050 or sooner but is a key part of bp’s plan to increase biogas supply volumes.

HETI: Tell us more about how renewable natural gas is used and why it’s an important component of the energy transition?  

SS: Renewable natural gas (RNG) is a type of biogas generated by decomposing organic material at landfill sites, anaerobic digesters and other waste facilities – and demand for it is growing. Our facilities convert waste emissions into renewable natural gas. RNG is a lower carbon fuel, which according to the EPA can help reduce emissions, improve local air quality, and provide fuel for homes, businesses and transportation. Our process creates a productive use for methane which would otherwise be burned or vented to the atmosphere. And in doing so, we displace traditional fossil fuels from the energy system.

HETI: Archaea recently brought online a first-of-its-kind RNG plant in Medora, Indiana. Can you tell us more about the launch and why it’s such a significant milestone for the company?  

SS: Archaea’s Medora plant came online in October 2023 – it was the first Archaea RNG plant to come online since bp’s acquisition. At Medora, we deployed the Archaea Modular Design (AMD) which streamlines and accelerates the time it takes to build our plants. Traditionally, RNG plants have been custom-built, but AMD allows plants to be built on skids with interchangeable components for faster builds.

HETI: Now that the Medora plant is online, what does the future hold? What are some of Archaea’s priorities over the next 12 months and beyond?  

SS: We plan to bring online around 15 RNG plants in each of 2024 and 2025. Archaea has a development pipeline of more than 80 projects that underpin the potential for around five-fold growth in RNG production by 2030.

We will continue to operate around 50 sites across the US – including RNG plants, digesters and landfill gas-to-electric facilities.

And we are looking to the future. For example, at our Assai plant in Pennsylvania, the largest RNG plant in the US, we are in the planning stages to drill a carbon capture sequestration (CCS) appraisal well to determine if carbon dioxide sequestration could be feasible at this site, really demonstrating our commitment to decarbonization and the optionality in value we have across our portfolio.

HETI: bp has had an office in Washington, DC for many years. Can you tell us more about the role that legislation has to play in the energy transition? 

SS: Policy can play a critical role in advancing the energy transition, providing the necessary support to accelerate reductions in greenhouse gas emissions. We actively advocate for such policies through direct lobbying, formal comments and testimony, communications activities and advertising. We also advocate with regulators to help inform their rulemakings, as with the US Environmental Protection Agency to support the finalization of a well-designed electric Renewable Identification Number (eRIN) program.

HETI: Science and innovation are key drivers of the energy transition. In your view, what are some of most exciting innovations supporting the goal to reach net-zero emissions?  

SS: We don’t just talk about innovation in bp, we do it – and have been for many years. This track record gives us confidence in continuing to transform, change and innovate at pace and scale. The Archaea Modular Design is a great example of the type of innovation that bp supports which enables us to pursue our goal of net-zero emissions.

Beyond Archaea, we have engineers and scientists across bp who are working on innovative solutions with the goal of lowering emissions. We believe that we need to invest in lower carbon energy to meet the world’s climate objectives, but we also need to invest in today’s energy system, which is primarily hydrocarbon focused. It’s an ‘and’ not ‘or’ approach, and we need both to be successful.

Learn more about Archaea and the work they are doing in energy transition.

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This article originally ran on the Greater Houston Partnership's Houston Energy Transition Initiative blog. HETI exists to support Houston's future as an energy leader. For more information about the Houston Energy Transition Initiative, EnergyCapitalHTX's presenting sponsor, visit htxenergytransition.org.

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Houston geothermal company raises $97M Series B

fresh funding

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, according to a press release from Sage. Existing investors Exa, Nabors, alfa8, Arch Meredith, Abilene Partners, Cubit Capital and Ignis H2 Energy also participated, as well as new investors SiteGround Capital and The UC Berkeley Foundation’s Climate Solutions Fund.

The new geothermal power generation facility will be located at one of Ormat Technologies' existing power plants. The Nevada-based company has geothermal power projects in the U.S. and numerous other countries around the world. The facility will use Sage’s proprietary pressure geothermal technology, which extracts geothermal heat energy from hot dry rock, an abundant geothermal resource.

“Pressure geothermal is designed to be commercial, scalable and deployable almost anywhere,” Cindy Taff, CEO of Sage Geosystems, said in the news release. “This Series B allows us to prove that at commercial scale, reflecting strong conviction from partners who understand both the urgency of energy demand and the criticality of firm power.”

Sage reports that partnering with the Ormat facility will allow it to market and scale up its pressure geothermal technology at a faster rate.

“This investment builds on the strong foundation we’ve established through our commercial agreement and reinforces Ormat’s commitment to accelerating geothermal development,” Doron Blachar, CEO of Ormat Technologies, added in the release. “Sage’s technical expertise and innovative approach are well aligned with Ormat’s strategy to move faster from concept to commercialization. We’re pleased to take this natural next step in a partnership we believe strongly in.”

In 2024, Sage agreed to deliver up to 150 megawatts of new geothermal baseload power to Meta, the parent company of Facebook. At the time, the companies reported that the project's first phase would aim to be operating in 2027.

The company also raised a $17 million Series A, led by Chesapeake Energy Corp., in 2024.

Houston expert discusses the clean energy founder's paradox

Guest Column

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.

The myth of the lone genius in a garage doesn’t really apply here. Clean energy startups aren’t just fighting competitors. They are fighting physics, policy, and decades of existing infrastructure. This isn’t an app. You’re building something physical that has to work in the real world. It has to be cheaper, more reliable, and clearly better than fossil fuels. Being “green” alone isn’t enough. Scale is what matters.

Your biggest risks aren’t competitors. They’re interconnection delays, permitting timelines, supply chain fragility, and whether your first customer is willing to underwrite something that hasn’t been done before.

That reality creates a brutal filter. Successful founders in this space need deep technical knowledge and the ability to execute. You need to understand engineering, navigate regulation, and think in terms of markets and risk. You’re not just selling a product. You’re selling a future where your solution becomes the obvious choice. That means connecting short-term financial returns with long-term system change.

The capital is there, but it’s smarter and more demanding. Investors today have PhDs in electrochemistry and grid dynamics. They’ve been burned by promises of miracle materials that never left the lab. They don't fund visions; they fund pathways to impact that can scale and make financial sense. Your roadmap must show not just a brilliant invention, but a clear, believable plan to drive costs down over time.

Capital in this sector isn’t impressed by ambition alone. It wants evidence that risk is being retired in the right order — even if that means slower growth early.

Here’s the upside. The difficulty of clean energy is also its strength. If you succeed, your advantage isn’t just in software or branding. It’s in hardware, supply chains, approvals, and years of hard work that others can’t easily copy. Your real competitors aren’t other startups. They’re inertia and the existing system. Winning here isn’t zero-sum. When one solution scales, it helps the entire market grow.

So, to the founder in the lab, or running field tests at a remote site: your pace will feel slow. The validation cycles are long. But you are building in the physical world. When you succeed, you don’t have an exit. You have a foundation. You don't just have customers; you have converts. And the product you ship doesn't just generate revenue; it creates a legacy.

If your timelines feel uncomfortable compared to software, that’s because you’re operating inside a system designed to resist change. And let’s not forget you are building actual physical products that interact with a complex world. Times are tough. Don’t give up. We need you.

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Nada Ahmed is the founding partner at Houston-based Energy Tech Nexus.

Houston maritime startup raises $43M to electrify cargo vessels

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 led by Obvious Ventures with participation from Maersk Growth, Breakthrough Energy Ventures, 8090 Industries, Y Combinator, Shorewind, Benson Capital and others. The funding will go toward expanding manufacturing of its Leviathan hybrid and electric marine propulsion system, according to a news release.

The technology is optimized for high-energy and zero-emission operation of large vessels. It uses EV technology but is built for maritime environments and can be used on new or existing ships with hybrid or all-electric functions, according to Fleetzero's website. The propulsion system was retrofitted and tested on Fleetzero’s test ship, the Pacific Joule, and has been deployed globally on commercial vessels.

Fleetzero is also developing unmanned cargo vessel technology.

"Fleetzero is making robotic ships a reality today. The team is moving us from dirty, dangerous, and expensive to clean, safe, and cost-effective. It's like watching the future today," Andrew Beebe, managing director at Obvious Ventures, said in the news release. "We backed the team because they are mariners and engineers, know the industry deeply, and are scaling with real ships and customers, not just renderings."

Fleetzero also announced that it has opened a new manufacturing and research and development facility, which will serve as the company's new headquarters. The facility features a marine robotics and autonomy lab, a marine propulsion R&D center and a production line with a capacity of 300 megawatt-hours per year. The company reports that it plans to increase production to three gigawatt-hours per year over the next five years.

"Houston has the people who know how to build and operate big hardware–ships, rigs, refineries and power systems," Mike Carter, co-founder and COO of Fleetzero, added in the release. "We're pairing that industrial DNA with modern batteries, autonomy, and software to bring back shipbuilding to the U.S."