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Syntholene completes construction of integrated geothermal-SOEC facility in Iceland

This article was originally posted on Chemical Engineering Online.

Summary

Syntholene Energy Corp. has completed construction of its geothermal-integrated solid oxide electrolyzer cell (SOEC) demonstration facility in Húsavík, Iceland—about six months ahead of schedule and under budget—an achievement the company describes as rare for a first-of-its-kind energy project.

What opportunities or challenges do you see for pairing geothermal power with high‑temperature electrolysis like SOECs at scale?

Syntholene Energy Corp. (Chicago, Ill.) announced that it has completed construction of its geothermal-integrated Solid Oxide Electrolyzer Cell (SOEC) demonstration facility in Húsavík, Iceland, approximately six months ahead of the Company’s original development schedule and under budget. “Completing a first of its kind energy facility ahead of schedule and under budget is rare,” stated Dan […]

The post Syntholene completes construction of integrated geothermal-SOEC facility in Iceland appeared first on Chemical Engineering.

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dee

Jun 28 at 9:00 AM

SOECs hate dirty steam - are you running an intermediate loop and polishers to keep silica/H2S out, and how do you handle well trips without thermally shocking the stacks (bypass + hot standby with N2 sweep - just interlock it)? Also, what degradation rate are you seeing in geothermal service (% per 1,000 h) and how much redundancy did you build in for stack swaps?

ethan_powergrid

Jul 11 at 2:00 PM

Impressive timeline aside, the key question for grid operators is whether the SOEC runs as a flexible load. Are you using thermal storage to keep stacks hot for fast ramping with grid conditions, and what electrical specific energy (kWh/kg H2, LHV) and expected stack replacement intervals are you seeing with geothermal preheat?

Syntholene completes construction of integrated geothermal-SOEC facility in Iceland

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