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Energy Transportation
Biofuels Battery storage
Fuel cells Electro propulsion
Geothermal Fuel-cell vehicles
Microturbines Hybrid-electric vehicles
Solar Photovoltaics Plug-in Hybrids
Small-scale hydro Ultra-efficient aircraft
Wave/tidal power Diesel hybrid locomotives
Wind power Flex-Fuel Vehicles
Materials/Buildings Water
Biobased materials Biological water filtration
Nanotech materials Distributed systems
Green buildings Small-scale desalination
Green chemistry Ultraviolet purification
Phytoremediation Nanotech-based filtration

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Median and Average US Investment Per Energy VC Deal
1998-2006 (in Millions of US Dollars)
$16.82
Median US Investment per deal
$16.18
Mean US Investment per Deal
$11.37 $11.06
$10.63
$8.20 $8.20 $8.36
$7.40
$6.25 $6.68 $6.40 $6.50
$6.00 $6.21
$4.74
$3.65
$2.87
1998 1999 2000 2001 2002 2003 2004 2005 2006
Source: Nth Power

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2006 by Sub Sector
Transportation
35%
Distributed Energy
28%
Energy Intelligence
21%
Materials &Nanotech
7%
Power Reliability Related Services
11% 2%
Source: Nth Power

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