Eternal Sun B.V. is thrilled to announce a successful funding round, having raised an impressive $7 million to further advance its mission in the solar industry. Since acquiring the solar PV testing division of Spire Solar in 2016, Eternalsun Spire has established itself as a premier manufacturer of solar simulators and integrated climate chambers, essential tools for evaluating the performance and reliability of photovoltaic (PV) modules. This infusion of capital will predominantly be directed towards the development of next-generation solar testing technologies and the enhancement of our already world-renowned Spi-Sun Simulator, which has set the industry standard for module performance testing since its launch in 2002. Currently utilized by over 30 testing and certification laboratories globally, the Spi-Sun Simulator is crucial for ensuring that PV manufacturers meet stringent quality requirements. The funding will also allow us to expand our global reach, providing advanced testing solutions to a network of research institutes and test laboratories committed to driving innovation in solar technology. At Eternalsun Spire, we are dedicated to delivering unparalleled measurement control and certainty, enabling our customers to push the boundaries of what’s possible in renewable energy. This financial boost represents not only a landmark achievement for our company but also a significant step forward in our commitment to supporting the growth and sustainability of the solar industry as a whole.
Eternalsun Spire Secures $7 Million in Seed Round Funding for Solar PV Testing Innovation
Get the full Spire company profile
Access contacts, investors, buying signals & more
Other recently funded companies
View all
OpenTrade
OpenTrade provides an institutional grade platform for yield products designed for fintechs and institutional investors across Web2 and Web3 ecosystems. Our offerings combines a technology platform with legal and operational frameworks and services that together support safe, compliant, and scalable yield products for the next generation of financial services & markets.
$17.0M Seed
today
Scout Space
Scout Space's mission is to enable our customers to perform complex missions and avoid threats by using on-board sensing, processing, and autonomous decision making. We are building next-generation sensor systems, autonomy software, and data platforms to enable cross-orbit intelligence and dynamic space operations. For more information, visit www.scout.space
$18.0M Series a
today
NSF Energy Storage Engine in Upstate NY
Accelerating Technology and Talent for a Made-in-America Energy Storage Future by leveraging Upstate New York’s premier universities, R&D ecosystem, state-of-art prototyping, and testbed infrastructure, Upstate NY Energy Storage Engine will catalyze critical innovation to enable the next-generation battery technologies and manufacturing methodologies, while training the future battery workforce.
$45.0M Grant
today
AI Library
AI Library's mission is to fully automate the software delivery lifecycle from planning to operating, not just coding. We do this by employing three agentic layers - Agent PLAN that helps to identify use cases, scoping, and generate timelines, deliverables, and KPIs. - Agent CODE to build the solution and integrate with existing systems and data. - Agent OPERATE to test, deploy into production, and monitor, optimize, and govern over time. Our key difference lies in the business model. AI Library prices by business outcomes, not code generated.
$560.0K Pre-seed
today
Kanvas Biosciences
We work to map the microbiome and illuminate interactions foundational to the health of humanity.
$48.0M Series a
today
Other recent Seed rounds
Companies that recently closed a Seed round.
| # | Company | Round | Amount | Date |
|---|---|---|---|---|
| 1 | OpenTrade United Kingdom | Seed | $17.0M | today |
| 2 |  InstaSwitch United States | Seed | $4.7M | today |
| 3 |  Eaship TMS Spain | Seed | $1.2M | today |
| 4 |  Signadori Bio France | Seed | $13.1M | today |
| 5 |  Moonlight AI Switzerland | Seed | $3.3M | today |