Financial investors that invest in renewable energy projects include venture capital funds, private equity funds, institutional investors and hedge funds.
| Venture Capital Funds: Providing seed capital for technology ventures. Only few exclusively focus on cleantech. |
| Amadeus Capital |
Less than a 10th of companies owned by Amadeus, are in the cleantech sector. As one of the world's most well-known vc firms, Amadeus can participate in investment stages. |
- Plastic Logic - batteries
- PowerID - electronic reader that does not use glass
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| Bridges Ventures |
Growth investor with a regional focus on the UK. Cleantech is not the main focus. |
- Ardenham Energy specialises in renewable energy installations, focusing on solar photovoltaic (PV) integration and also the installation of heat pumps in the UK.
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| Venture Capital Funds set up by Corporations that operate in Cleantech |
| Advanced Technology Ventures |
Based in Palo Alto, ATV focuses on early-stage companies in IT, healthcare and Cleantech. Cleantech portfolio includes |
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| Siemens Ventures |
Provide funding for start-ups as well as expansion. Energy is one of four sectors - in line with Siemens' main businesses. |
Focus on Smart Grid Technology Companies: BPL Global, Power IT Solutions, SmartSynch but others too. |
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| Private Equity Cleantech Funds |
| Kleiner Perkins |
Raised a $500 million fund for financing later-stage energy ventures looking to commercialize their technology. |
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| Institutional Investors / Hedge Funds: Investors that have no particular affiliation with the clean-tech sector. Institutional investors tend to invest in infrastructure projects with reliable cash flows (for instance from feed-in tariffs). |
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| Initial Public Offering (IPO): The list of cleantech companies heading for public stock markets is increasing. According to the Cleantech Group, 29 IPOs have occurred globally during 2009. |
| 2009 |
- Solyndra: Manufacturer of cylindrically shaped solar panels for flat roofs, based in USA. $300m IPO in December 2009. Filed for bankruptcy in 2011.
- Codexis: Biofuel technology - $100m IPO in December 2009
- A123 Systems: Nanotechnology to be used in batteries in transport. - $400m IPO in September 2009
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| 2010 |
2010 has seen much more activity in the IPO market, for instance;
- Goldwind: China's second-largest wind turbine manufacturer raised $917m on the Hong Kong stock market in October 2010
- Enel Green: Selling 32.5% stake of its "green" arm, partially state-owned power utility company Enel raised €2.6bn, instead of the targeted €3.4bn
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