Sage Geosystems
PrivateLast Round
Series B
Jan 21, 2026
Total Funding Raised
$115.9M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Sage Geosystems operates in Energy & Sustainability and is based in Houston, Texas. Its latest recorded funding round was a Series B round in January 2026.
Sage Geosystems is a geothermal energy technology company founded in 2020 and headquartered in Houston, Texas. The company is developing solutions to make geothermal energy more accessible, affordable, and available in diverse geological locations, not just traditional volcanic regions. Sage Geosystems leverages existing oil and gas technologies and expertise to create its proprietary Geopressured Geothermal System (GGS), which harnesses both the Earth's heat and pressure to generate power. This approach aims to be more efficient than other geothermal technologies. The company is also developing energy storage solutions, such as its EarthStore™ facility, designed to store energy for long durations and support intermittent renewable sources like wind and solar. Sage Geosystems has secured Series A funding and is actively developing commercial facilities, with partners including the U.S. Department of Defense and Meta.
Sector
Energy & Sustainability
Verticals
Renewable Energy, Energy Storage, Defense Tech, Smart Grid
Business Model
B2B
Customer Profile
Services & Consulting, Government Contracts
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Sage Geosystems Comparables
Compare Sage Geosystems with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Quidnet Energy | 83% | |
| Eavor | 82% | |
| GreenFire Energy Inc. | 81% |
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Sage Geosystems Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Jan 21, 2026 | ||||
| Grant | Sep 24, 2024 | ||||
| Series A | Feb 15, 2024 | ||||
| VC Round | Jun 24, 2021 |
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Key People
Founding team and executive leadership
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Sage Geosystems Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Helium-3 Ventures | Series A |
| Chesapeake Energy Corporation | Series A |
| UC Berkeley Foundation | Series B |
| United States Department of the Air Force | Grant |
| Cubit Capital | Series B |
| SiteGround Capital | Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Oct 5, 2026
Grew 20% QoQ, from 20 to 24 employees.
- Aug 27, 2026
Grew 25% QoQ, from 20 to 25 employees.
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Recent news
Latest coverage and updates
- is_developingNov 11, 2026
Sage Geosystems, Inc. leads the design and implementation of Project Vector’s proprietary EGS technology and the integration of subsurface engineering and well operations, with Halliburton providing technical and operational support.
- partners_withSep 22, 2026
Sage Geosystems, Inc. and Ormat Technologies, Inc. enter a strategic commercial agreement to accelerate next-generation geothermal solutions to market.
- signs_new_clientAug 25, 2026
Sage Geosystems, Inc. operates its South Texas geothermal facility for San Miguel Electric Cooperative, Inc. after placing it in service, with the plant ready to generate and supply electricity to the Texas grid.
- expands_facilitiesAug 20, 2026
Sage Geosystems, Inc. expands its facilities with a first-of-its-kind 3-MW energy storage facility in Texas, which sells its first electricity in Q2 '26 after a 2024 land-use agreement.
- expands_facilitiesAug 20, 2026
Sage Geosystems, Inc. applies results from its SMECI facility to the design of a planned commercial-scale geothermal development at an Ormat site in Nevada.
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Sage Geosystems Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Sage Geosystems's valuation, stock price, and market status.
Is Sage Geosystems a public or private company?
Sage Geosystems is a private company.
What is the current stock price of Sage Geosystems?
Sage Geosystems is a private company, so its shares have no public market price. Caplight tracks Sage Geosystems's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Sage Geosystems worth (valuation)?
Valuation information for Sage Geosystems is not publicly available.
Can I buy Sage Geosystems stock?
Sage Geosystems shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Sage Geosystems's last funding round?
Sage Geosystems's most recent funding round was Series B on January 21, 2026.
Who are the main investors in Sage Geosystems?
Key investors in Sage Geosystems include Chesapeake Energy Corporation.
Will Sage Geosystems IPO soon?
No public IPO plans have been announced for Sage Geosystems.
How can I track Sage Geosystems secondary market activity?
Caplight tracks bids, offers, and trades in Sage Geosystems's shares on secondary markets.