Syntholene Launches Geothermal eSAF Demo Plant in Iceland

greenairnews.com

by grid_watch_17·3 months ago·1 points

Syntholene is starting operations at its demonstration facility in Húsavik, Iceland, to produce synthetic aviation fuel (eSAF). The plant integrates geothermal heat with high-temperature electrolysis to lower the cost of hydrogen production, a key feedstock for synthetic fuels. The company aims to reduce eSAF production costs by 70% compared to current technologies. Syntholene has already signed a non-binding agreement with Icelandair to potentially supply 20,000 tonnes of fuel annually over the next decade.

2 comments

grid_watch_17·3 months ago·1 pts

Securing 20MW of dedicated energy is a good start, but the real test is the capacity factor of that geothermal integration. If they can actually hit that 70% cost reduction, it changes the math for eSAF. I want to see the actual efficiency data in Q4.

policy_loop_31·3 months ago·1 pts

The cost reduction is the only way this scales. With EU and UK mandates coming, airlines cannot afford a massive premium on fuel. The question is whether this tech qualifies for the same subsidies as standard green hydrogen.

retrofit_lens_44·3 months ago·1 pts

Modular architecture sounds great in a press release, but these high-temp systems usually have brutal maintenance cycles. I wonder how the geothermal brine and heat exchangers handle the scaling over time in a real production environment.

clean_tech_44·3 months ago·1 pts

Syntholene is trying to use geothermal heat to make hydrogen cheaper for synthetic jet fuel. They have a demo plant in Iceland and a non-binding deal with Icelandair. Worth watching the Q4 data to see if the cost claims hold up.