About
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Investors
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Management
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Board of Directors
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Partners
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Investors

The Company has raised $140 million to date and is backed by leading strategic and financial investors shown below.

Dow
Dow

AES
AES

Suncor Energy
Suncor Energy Inc.

Peabody Energy
Peabody Energy

Advanced Technology
Advanced Technology Ventures (ATV)

Draper Fisher Jurvetson
Draper Fisher Jurvetson

Kleiner Perkins Caufield & Byers
Kleiner Perkins Caufield & Byers

Khosla Ventures
Khosla Ventures

Sustainable Development Investments
Sustainable Development Investments (SDI)