What is Semprius?
Semprius, Inc. is a pioneering technology firm specializing in high-efficiency solar energy solutions. By utilizing advanced semiconductor manufacturing techniques, the company has achieved record-breaking solar module efficiency levels of 35.5%. This technological edge allows Semprius to produce compact, high-performance solar cells that are significantly more efficient than traditional alternatives. The company operates at the intersection of deep tech and clean energy, focusing on the commercialization of innovations that drive down the cost of solar power while increasing output. Its market position is bolstered by a robust intellectual property portfolio and a history of successful collaboration with research institutions and venture capital partners, positioning it as a critical player in the transition toward sustainable energy infrastructure.
How much funding has Semprius raised?
Semprius has raised a total of $77M across 18 funding rounds:
Private Equity
$8.2M
Series B
$6.4M
Unspecified
$1.5M
Debt
$2.7M
Private Equity
$31.1M
Series C
$3M
Unspecified
$7.5M
Debt
$2.1M
Debt
$250K
Multiple Rounds
$4.6M
Multiple Rounds
$5M
Private Equity (2009): $8.2M, investors not publicly disclosed
Series B (2009): $6.4M supported by ARCH Venture Partners, Illinois Ventures, GVC Venture Fund, and Intersouth Partners
Unspecified (2010): $1.5M featuring X-FAB Semiconductor Foundries
Debt (2010): $2.7M backed by Illinois Ventures, ARCH Venture Partners, and Intersouth Partners
Private Equity (2011): $31.1M with participation from ARCH Venture Partners, Illinois Ventures, and Intersouth Partners
Series C (2012): $3M led by Illinois Emerging Technologies and Morgan Creek Capital Management
Unspecified (2012): $7.5M supported by Intersouth Partners and ARCH Venture Partners
Debt (2013): $2.1M featuring Intersouth Partners, Illinois Ventures, and ARCH Venture Partners
Debt (2013): $250K backed by ARCH Venture Partners, Intersouth Partners, and Illinois Ventures
Debt (2014): $553K with participation from ARCH Venture Partners and Intersouth Partners
Debt (2014): $1.1M led by ARCH Venture Partners, IllinoisVENTURES, and Intersouth Partners
Debt (2014): $1.2M supported by ARCH Venture Partners
Debt (2014): $1.7M, investors not publicly disclosed
Debt (2015): $642K, investors not publicly disclosed
Debt (2015): $501K, investors not publicly disclosed
Grant (2015): $2.9M led by Advanced Research Projects Agency-Energy
Debt (2015): $995K, investors not publicly disclosed
Key Investors in Semprius
ARCH Venture Partners
A leading early-stage venture capital firm that creates and invests in life sciences and advanced technology companies, often cofounding startups with scientists and entrepreneurs.
Intersouth Partners
One of the most active early-stage venture funds in the Southeast, focusing on technology and life sciences sectors with a history of supporting over 100 private companies.
Illinois Ventures
A venture capital firm specializing in seed and Series A investments in deep tech sectors, supporting innovators with ties to the University of Illinois.
What's next for Semprius?
Looking ahead, Semprius is well-positioned to leverage its recent strategic investment to further optimize its manufacturing throughput and expand its commercial footprint. Given the company's history of securing both private equity and government-backed grants, the focus will likely shift toward scaling production capacity to meet the growing demand for high-efficiency solar modules in industrial and utility-scale applications. The integration of its proprietary technology into broader energy markets remains a key strategic priority. As the firm continues to refine its cost-competitive model, it is expected to maintain its trajectory as a disruptive force in the solar industry, potentially exploring new partnerships to accelerate the adoption of its next-generation electricity solutions.
See full Semprius company page