# Hephae Energy Technology

> Hephae Energy Technology develops high-temperature downhole electronics, measurement and directional drilling systems for geothermal developers. Its Pandora210 MWD system has operated at 210°C circulating temperature in the field; higher-temperature electronics and rotary steerable systems form its development roadmap.

- **Founded:** 2020
- **Headquarters:** Spring, United States
- **Founders:** Steve Krase (Co-founder and CEO), John Clegg (Co-founder and CTO)
- **Products:** Pandora210® MWD, Hermes - Top Mount Pulser, High-temperature electronics and sensors, Pandora225™ RSS
- **Notable:** Reported Pandora210 operation at 210°C circulating temperature in September 2026., Published electronics qualification program including operation to 230°C with simultaneous vibration., Raised USD 17.8 million Series A; company reports USD 24.7 million total capital raised.

## Products & services

- **Pandora210® MWD** — Measurement-while-drilling system with field operation at 210°C circulating temperature, providing downhole measurements and communications.
- **Hermes - Top Mount Pulser** — Downhole pulser for MWD communication; listed in the company’s product enquiry form.
- **High-temperature electronics and sensors** — Thermal-management and sensor modules used in downhole systems, with a roadmap toward 300°C operation.
- **Pandora225™ RSS** — Rotary steerable system listed as coming in 2027; development product, not a verified commercial deployment.

## Achievements

- Reported Pandora210 operation at 210°C circulating temperature in September 2026.
- Published electronics qualification program including operation to 230°C with simultaneous vibration.
- Raised USD 17.8 million Series A; company reports USD 24.7 million total capital raised.

## Latest updates

- **2026-09** — Announced field operation at 210°C circulating temperature.
- **2026-08** — CEO interview described customer-led temperature increments and compatibility with existing field workflows.
- **2026-07** — Announced USD 17.8 million Series A to expand deployment, manufacturing and R&D.
- **2026-02** — Announced Andy Bruce as president.

## Links

- Website: https://www.hephaeet.com/
- LinkedIn: https://www.linkedin.com/company/hephae-energy-technology/

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Profile page: https://yespress.io/hephae-energy-technology
Published by YesPress — https://yespress.io
Last updated: 2026-10-03