RayGen raises $127 million in Series D
RayGen Resources has closed a $127m Series D round led by SLB, with ARENA, AGL Energy and Photon Energy Group also taking part, to speed global rollout of its solar and thermal storage technology.
Investor · 2 deals
Every published round Photon Energy Group took part in, and every parcel of existing shares it bought off another holder. Deals we hold but haven't published yet are not counted.
| Company | Stage | Announced | Amount | Role | Alongside | Sources |
|---|---|---|---|---|---|---|
| RayGen Resources | Series D+ | 10 Apr 2025 | $127m | Participant | @AuManufacturing | |
| RayGen | Series D+ | Apr 2025 | $127m | Participant | Startup Daily (23 Dec 2025), SmartCompany, Forbes Australia, Startup Daily (10 Apr 2025), RenewEconomy |
Companies Photon Energy Group has backed in a published round, and companies whose existing shares it bought off another holder.
| Company | What it does | First invested | Rounds | Led |
|---|---|---|---|---|
| RayGen | Builds large-scale solar and thermal storage infrastructure | Apr 2025, Series D+ | 1 | 0 |
| RayGen Resources | 10 Apr 2025, Series D+ | 1 | 0 |
Fund closes reported for Photon Energy Group, as distinct from the investments it has made.
Companies Photon Energy Group has backed that another company then bought. An exit for the holding, not a deal Photon Energy Group did.
Stories naming Photon Energy Group. Where several outlets covered the same round, they are bundled under whichever ran the fullest account.
RayGen Resources has closed a $127m Series D round led by SLB, with ARENA, AGL Energy and Photon Energy Group also taking part, to speed global rollout of its solar and thermal storage technology.
Solar storage firm RayGen has wrapped up a $127 million Series D a year after it began, with SLB leading and Breakthrough Victoria, ARENA and energy companies among the backers.
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RayGen has banked a $51 million Series D co-led by SLB and Breakthrough Victoria to scale its solar and thermal storage technology, alongside earlier backers AGL Energy, Equinor Ventures and ARENA.
Breakthrough Victoria announces putting $20 million into RayGen Resources, a Victorian solar and thermal energy storage maker, to support clean energy, local manufacturing and the company's growth alongside its existing backers.