Cleantech funding rounds in Europe

Every European cleantech round Sesamers has verified with the company or lead investor, most recent first. 103 rounds carry the cleantech tag; the table shows the latest verified rounds with a confirmed lead and a cross-referenced company record. Grants are included where the awarding body is named, since public non-dilutive capital is a real part of how European climate companies fund themselves.

6 rows 20 Sep 2026


Nomos	€20M	Series A	15 Sep 2026	Berlin, DE	Index Ventures
BATTIA	€8.15M	Grant	16 Sep 2026	Spain	IDAE – RENOCICLA programme (EU NextGenerationEU)
Laki Power	€6M	Series A	17 Sep 2026	Reykjavik, IS	NATO Innovation Fund
Jaipur Robotics	€4.3M	Seed	7 Sep 2026	Germany	EquityPitcher Ventures, HTGF
Rebaba	€4M	Seed	15 Sep 2026	Sweden	Sistafund
Rightcharge	€580K	Growth	3 Sep 2026	London, UK	Soulmates Ventures

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Six rounds shown of 103 tracked. Two notable September deals are not in the table because they are not venture rounds: Greenly’s €65M acquisition of Normative on 10 September, the largest cleantech transaction of the month, and Octave.energy’s €10M Series A from SPDG Growth on 4 September, whose equity-to-debt split is unconfirmed. Both are on their company pages.

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Common questions

What is the largest recent cleantech round on this desk?

Nomos's €20M Series A led by Index Ventures on 15 September 2026, a Berlin energy software company. Greenly's €65M acquisition of Normative in the same week was larger but is an exit, not a round.

Why is a grant listed alongside venture rounds?

Because public non-dilutive capital is a real funding channel for European climate hardware. BATTIA's €8.15M from Spain's IDAE under the EU-backed RENOCICLA programme is verified and material; excluding it would misrepresent how the company is funded.

Why did the NATO Innovation Fund lead a cleantech round?

Laki Power's grid-monitoring technology is dual-use – critical energy infrastructure resilience is within the NATO Innovation Fund's mandate. Several cleantech records on Sesamers also carry the defence tech tag for this reason.

Does Sesamers take payment for placement on this list?

No. Rounds are listed because they are verified in the Sesamers database, most recent first.

Common questions

Methodology