TechPulse 360

The first quarter saw a global venture capital industry more willing to do clean-tech deals.

Venture money going into green energy and energy conservation companies rose 83 percent from last year to $1.9 billion. Investing climbed 29 percent from a weak fourth quarter, especially weak in the U.S.

So who are these more eager investors? Below is a list of top firms and the deals they did. But first, it is worth noting that 81 percent of money originated from firms in North America. Europe and Israel accounted for 14 percent of dollars, China, 4 percent, and India, 1 percent, according to an analysis by the Cleantech Group and Deloitte.

Here are the top 10 firms, the number of deals they did and some of the companies they supported. All but two (Carbon Trust Investments and Good Energies) are based in the U.S.:

*Draper Fisher Jurvetson, 5, Genomatica, Konarka Technologies, Power Assure, Prudent Energy, Scientific Conservation;
*Braemar Energy Ventures, 3, Ciris Energy, Enerkem, Luminus Devices;
*Carbon Trust Investments, 3 , AeroThermal, Marine Current Turbines, Oxsensis;
*Foundation Capital, 3, Azure Power, CalStar Products, Purfresh;
*Good Energies, 3, Agile Energy, Konarka Technologies, Nexamp;
*Intel Capital, 3, Cymbet Corporation, SpectraWatt;
*Nth Power, 3, CalStar Products, Propel Biofuels, Tempronics;
*Rho Ventures, 3, Ciris Energy, Coulomb Technologies, Enerkem;
*Sequoia Capital, 3, Achates Power, Prudent Energy, and;
*VantagePoint Venture Partners, 3, Adura Technologies, Better Place, Ze-gen.