Energy and climate startups that raised money in the last 12 months
257 energy and climate startups announced or filed 298 venture rounds in the last 12 months, $13.2B of it stated. 55 of the rounds came in the last 90 days. The largest: Jupiter Power (Venture round · $1.4B), Valar Atomics (Series B · $1.2B) and Cloover (Venture round · $1.2B). 96 of these startups are hiring now, with 1,182 open roles.
The newest rounds
| Startup | Round | Date | Open roles |
|---|---|---|---|
 Circularity FuelsTrucks Venture Capital, DCVC | Seed · $7M | 5 Nov 2026 | – |
 NoorNation | Seed · $1.1M | 28 Oct 2026 | – |
 Sarah247 | Venture round · $102kSEC Form D | 22 Oct 2026 | – |
 仁烁光能 | Series B | 22 Oct 2026 | – |
 Optivolt | Series A · $32M | 21 Oct 2026 | 2 |
 GanigaIta | Venture round · $2.7M | 20 Oct 2026 | – |
 Miale Solar | Venture round · $5.4M | 19 Oct 2026 | 4 |
 EpyrSlateVC, WEPA Ventures | Series A · $16.2M | 13 Oct 2026 | – |
 Velera Energy | Venture round · $551kSEC Form D | 12 Oct 2026 | – |
 Process Vision | Venture roundregistry filing | 12 Oct 2026 | – |
 Grenergy | Venture round · $460M | 9 Oct 2026 | – |
 Luminous Robotics, Inc. | Convertible note · $2.4MSEC Form D | 7 Oct 2026 | – |
 StuutInsight Partners | Series B · $52.5M | 7 Oct 2026 | – |
 Beyond Reach Labs | Venture round · $10M | 6 Oct 2026 | 4 |
 Torch Systems | Venture round · $11.5M | 6 Oct 2026 | – |
 Type One Energy | Venture round · $200M | 6 Oct 2026 | 34 |
 WASE | Venture roundregistry filing | 1 Oct 2026 | – |
 Reverion | Series B · $166.5M | 29 Sep 2026 | 18 |
 Presto | Venture round · $10M | 28 Sep 2026 | – |
 SECO Energy | Venture round · $1.6M | 25 Sep 2026 | – |
 Qair | Venture round · $40.9M | 25 Sep 2026 | 1 |
 Salix Homes | Venture round · $2.8M | 23 Sep 2026 | – |
 TOGL | Pre-seed · $1.1M | 22 Sep 2026 | – |
 Kairos Power | Venture round · $100M | 21 Sep 2026 | 61 |
 Windar Photonics | Venture round · $381k | 20 Sep 2026 | – |
 Adden Energy | Venture round · $16.9MSEC Form D | 18 Sep 2026 | 4 |
 Stargate Hydrogen | Venture round · $22.2M | 16 Sep 2026 | 4 |
 Jupiter Power | Venture round · $1.4B | 16 Sep 2026 | – |
 Solar Materials | Venture roundregistry filing | 15 Sep 2026 | 9 |
 Seras | Venture roundregistry filing | 11 Sep 2026 | 6 |
| AAgreka Build logo | Venture roundregistry filing | 9 Sep 2026 | – |
 Bluecore Energy | Seed · $50M | 8 Sep 2026 | 5 |
 RheEnergise Limited | Venture roundregistry filing | 7 Sep 2026 | 1 |
 Element ZeroPlayground | Seed · $10M | 7 Sep 2026 | – |
 Matter. | Venture roundregistry filing | 4 Sep 2026 | 1 |
| Element Zero | Venture round · $26M | 2 Sep 2026 | – |
| Circularity Fuels | Venture round · $8.8MSEC Form D | 1 Sep 2026 | – |
 Gridsight | Series B · $26M | 1 Sep 2026 | 25 |
 Molten Salt Solutions | Venture round · $7M | 31 Aug 2026 | – |
 Last Mile Semiconductor | Venture roundregistry filing | 28 Aug 2026 | – |
 Teragen EnergyBEVC, Energy Cap | Pre-seed · $6M | 26 Aug 2026 | 3 |
| CCertain Energy | Series A · $13M | 26 Aug 2026 | – |
 Voya Energy | Series A · $35M | 26 Aug 2026 | – |
 Emerald AI | Series A · $150M | 25 Aug 2026 | 6 |
 Nuvve Denmark ApS | Venture round · $14.7MSEC Form D | 24 Aug 2026 | – |
 HY2GEN | Venture roundregistry filing | 20 Aug 2026 | – |
 Eqonic Group | Venture roundregistry filing | 20 Aug 2026 | – |
| Bluecore Energy | Venture round · $19.4MSEC Form D | 20 Aug 2026 | 5 |
 minimass™ | Venture roundregistry filing | 18 Aug 2026 | – |
 Nexeon Ltd. | Venture roundregistry filing | 17 Aug 2026 | – |
The largest rounds
| Startup | Round | Date | Open roles |
|---|---|---|---|
| Jupiter Power | Venture round · $1.4B | 16 Sep 2026 | – |
 Valar Atomics | Series B · $1.2B | 10 Aug 2026 | 101 |
 Cloover | Venture round · $1.2B | 20 Jan 2026 | 23 |
 Base Power | Venture round · $1B | 3 Aug 2026 | 182 |
 Antora Energy | Series C · $550M | 31 Jul 2026 | 37 |
 Helion | Series G · $465M | 4 Jun 2026 | – |
| Grenergy | Venture round · $460M | 9 Oct 2026 | – |
 Inertia | Series A · $450M | 11 Feb 2026 | 3 |
 Starlight Engine | Venture round · $412.1M | 24 Jul 2026 | 5 |
 enechain | Series B · $343.4M | 25 Jan 2026 | 17 |
New rounds, the day they land
Follow the startups and investors you care about: Alion tells you when one raises, starts hiring or opens a role that fits you.
Questions
Which energy and climate startups raised money recently?
257 energy and climate startups announced or filed 298 venture rounds in the last 12 months, $13.2B of it stated. 55 of the rounds came in the last 90 days. The largest: Jupiter Power (Venture round · $1.4B), Valar Atomics (Series B · $1.2B) and Cloover (Venture round · $1.2B). 96 of these startups are hiring now, with 1,182 open roles.
Where do these rounds come from?
From the startups' own announcements and the press, from SEC Form D filings in the United States and from the share allotments company registers publish (a filing is marked as one in the list). One round per startup, type and week; amounts as stated, in US dollars.
Are these startups hiring?
96 of the 257 startups have open roles on their own careers boards right now, 1,182 roles in all; each count links to them.