Cleantech Group: Solar-based firms raised US$350 million in 33 deals in Q3

Facebook
Twitter
LinkedIn
Reddit
Email

Venture capital to the tune of US$350 million in 33 deals was handed out to solar-based firms in the third quarter of 2011, according to the latest roundup by Cleantech Group. Also of note was a reported US$812 million raised by four China-based solar cell/module manufacturers via IPO’s, though the release did not highlight the companies involved.

Cleantech Group noted that CIGS thin-film start-up, HelioVolt, had raised US$85 million from New Enterprise Associates and SK Group in the quarter, while CaliSolar raised US$26 million from undisclosed investors.

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

Black Coral Capital, Spring Ventures and other unidentified investors placed a round of funding worth US$50 million with OneRoof Solar, a California-based developer, owner and operator of solar energy generation systems for the residential market.

“While financing remains constrained, it’s great to see growth in venture activity,” said Sheeraz Haji, CEO of Cleantech Group. “Energy Storage emerged as our top sector, indicating continued strong interest in advanced technologies for grid-storage as well as for electric vehicles. Global enterprises continue to investment aggressively into cleantech.”

According to Cleantech Group, VC investments increased 12% compared to US$2.23 billion across 189 deals. In the previous quarter US$1.98 billion was invested across 179 deals.

Read Next

Premium
August 21, 2026
Drawing on his experience of flood risk engineering, Hossein Gheovasi makes the case for early, accurate hydrology in solar project design.
August 21, 2026
US IPP Swift Current Energy has secured a US$750 million credit facility to support what it called “reliable, clean energy projects” in the US.
August 21, 2026
Vikram Solar plans a 9GW wafer and ingot plant at its recently inaugurated 6GW Tamil Nadu module facility.
Premium
August 21, 2026
ES Foundry's Alex Zhu outlines how the US cell maker is betting on PERC while navigating shifting regulations and supply-chain constraints.
Premium
August 21, 2026
PV Tech Premium speaks with United Solar about the challenges of building polysilicon capacity outside of China and catering to the US and Indian markets.
August 21, 2026
Daqo New Energy reduced its losses in Q2 2026 and increased its revenues, largely by resuming polysilicon sales below the cost of production.

Upcoming Events

Solar Media Events
October 13, 2026
San Francisco Bay Area, USA
Solar Media Events
November 3, 2026
Málaga, Spain
Solar Media Events
November 24, 2026
Warsaw, Poland
Solar Media Events
February 2, 2027
London, UK
Solar Media Events
April 20, 2027
Istanbul, Türkiye