PORTFOLIO COMPANIES
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Energy and Energy Technology
Beacon Power Corporation
Chroma Energy, Inc.
Clean Energy Fuels Corp.
Distributed Energy Systems Corp.
Evergreen Solar, Inc.
Nexus Energy Software, Inc.
Northern Power
NxtPhase T&D Corporation
Puralube Inc.
Serveron Corporation
SEVA Energie AG
Soft Switching Technologies Corporation
Westport Innovations Inc.
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