Plenesys

Online platform offering hydrogen generation solutions

placeValbonne, Provence Alpes Cote D Azur, France calendar_todayFounded 2018 groups11 employees language plenesys.com

Registered entities

Innovation

3 patent families (2 granted) — focus: Operations & transport, Chemistry & metallurgy, Electricity & electronics; filing pace steady. Cited 63 times.

YearFilings
20201
20211
20222
20231
20241
20262

Social engagement

Social engagement: 4.8K social following, 10 posts in the last 12 months — below the industry typical range.

Investor mix

1 investor on record.

Investor typeCountShare
Accelerator & incubator1100%

Recent activity

25 Jun 2026
Milestone
anniversary
27 Feb 2026
Recognition
23 Jan 2026
Partnership
Clean Hydrogen Partnership and the European Commission
Coming soon