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fresh funding

Chesapeake Energy backs Houston geothermal tech co. in $17M series A

Mike Damante
Feb 19, 2024, 1:30 pm
Houston-based Sage Geosystems announced the first close of $17 million round led by Chesapeake Energy Corp. Photo via sagegeosystems.com

A Houston geothermal startup has announced the close of its series A round of funding.

Houston-based Sage Geosystems announced the first close of $17 million round led by Chesapeake Energy Corp. The proceeds aim to fund its first commercial geopressured geothermal system facility, which will be built in Texas in Q4 of 2024. According to the company, the facility will be the first of its kind.

The venture is joined by technology investor Arch Meredith, Helium-3 Ventures and will include support from existing investors Virya, LLC, Nabors Industries Ltd., and Ignis Energy Inc.

“The first close of our Series A funding and our commercial facility are significant milestones in our mission to make geopressured geothermal system technologies a reality,” Cindy Taff, CEO of Sage Geosystems, says in a news release. “The success of our GGS technologies is not only critical to Sage Geosystems becoming post-revenue, but it is an essential step in accelerating the development of this proprietary geothermal baseload approach. This progress would not be possible without the ongoing support from our existing investors, and we look forward to continuing this work with our new investors.”

The 3-megawatt commercial facility will be called EarthStore and will use Sage’s technology that harvests energy from pressurized water from underground. The facility will be able to store energy — for short and long periods of time — and can be paired with intermittent renewable energy sources like wind and solar. It will also be able to provide baseload, dispatchable power, and inertia to the electric grid.

In 2023, Sage Geosystems debuted the EarthStore system in a full-scale commercial pilot project in Texas. The pilot produced 200 kilowatt for more than 18 hours, 1 megawatt for 30 minutes, and generated electricity with Pelton turbines. The system had a water loss of less than 2 percent and a round-trip efficiency (RTE) of 70-75.

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This article originally ran on InnovationMap.

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major move

Oxy subsidiary secures Microsoft as largest-ever DAC carbon removal credit customer

Here's 1PoinFive's newest customer on its Texas CCUS project. Photo via 1pointfive.com

Occidental Petroleum’s Houston-based carbon capture, utilization and, sequestration (CCUS) subsidiary, 1PointFive, has inked a six-year deal to sell 500,000 metric tons of carbon dioxide removal credits to software giant Microsoft.

In a news release, 1Point5 says this agreement represents the largest-ever single purchase of carbon credits enabled by direct air capture (DAC). DAC technology pulls CO2 from the air at any location, not just where carbon dioxide is emitted.

Under the agreement, the carbon dioxide that underlies the credits will be stored in a below-the-surface saline aquifer and won’t be used to produce oil or gas.

“A commitment of this magnitude further demonstrates how one of the world’s largest corporations is integrating scalable [DAC] into its net-zero strategy,” says Michael Avery, president and general manager of 1PointFive. “Energy demand across the technology industry is increasing, and we believe [DAC] is uniquely suited to remove residual emissions and further climate goals.”

Brian Marrs, senior director for carbon removal and energy at Microsoft, says DAC plays a key role in Microsoft’s effort to become carbon-negative by 2030.

The carbon dioxide will be stored at 1PointFive’s first industrial-scale DAC plant, being built near Odessa. The $1.3 billion Stratos project, which 1Point5 is developing through a joint venture with investment manager BlackRock, is designed to capture up to 500,000 metric tons of CO2 per year.

The facility is scheduled to open in mid-2025.

Aside from Microsoft, organizations that have agreed to buy carbon removal credits from 1Point5 include Amazon, Airbus, All Nippon Airways, the Houston Astros, the Houston Texans, and TD Bank.

Occidental says 1PointFive plans to set up more than 100 DAC facilities worldwide by 2035.

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