Clean Energy
The search for clean energy solutions is driven by the critical need for energy security and alternative energy sources among developed nations and emerging countries. Oak seeks innovations that have the potential to become new platforms for these clean technologies, and invests in business models that are successful without permanent government price subsidies.
Portfolio
Sundrop Fules, Inc.
Sundrop Fuels, Inc is a clean energy company.
ReliOn, Inc.
ReliOn is a leader in the development and marketing of modular Proton Exchange Membrane (PEM) fuel cell products.
NanoH2O
NanoH2O leverages the benefits of nanotechnology to create advanced membranes for desalination and water reuse.
eSolar, Inc.
eSolar develops large utility-scale solar power plants.
Protean Electric
Protean has developed an in-wheel motor for electric and hybrid-electric vehicles.
Phononic, Inc.
Phononic Devices is commercializing advanced thermoelectric semiconductor materials and devices.
Nexant, Inc.
Nexant is a provider of intelligent grid software and clean energy solutions.
Status: private
Sector: Clean Energy
URL:
Boston-Power, Inc.
Boston-Power, Inc. is a lithium-ion battery technology company.