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How we work

Each year, we find 15-20 companies that best fit our mission and fund each company up to $1 million to improve systems that impact people’s lives: energy, water, food & agriculture, mobility, and the circular economy.


Portfolio companies


Demonstration projects


Awarded to companies

How to Apply

The Latest


Each year, we publish an Impact Report capturing our progress toward our mission: accelerating solutions to climate change and deploy those solutions in the communities that need them the most.

Meet Cohort 8

In 2019, we awarded $6 million in funding to 17 startups tackling urgent challenges in food, agriculture, water, energy and mobility.

Triple-Track Program

We are known for deploying projects and supporting startups through key commercial inflection points.

Meet Our Partners

We partner with some of the biggest names in the business to help our companies grow through investments, projects, and acquisitions.

99 Companies

Meet our portfolio companies innovating across energy, water, agriculture, mobility, and circular economy.

Electric commercial aircraft 


Ampaire was founded to develop high-performance, zero-emission aircrafts. The company's first product is an electric powertrain to replace common turboprop engines in 9- to 19-passenger airplanes.


Making drinking water from sunlight and air

Zero Mass Water

Zero Mass Water has one purpose: to perfect water for every person in every place. Its technology extracts water vapor from the air to make, mineralize, and deliver drinking water to your tap.



CarbonCure is pioneering CO2 utilization technologies for the cement and concrete sector. 

The Earthshot

A short film that tells the story of our transition off of fossil fuels one community at a time to a more clean, resilient, and equitable world.

Send us your referrals

Know of any good companies? Click here to refer them to us!

Refer a company


Our Funding Makes Us Unique

Our partners offer some of the most exciting investment and commercialization opportunities in the world.

Elemental Excelerator is created in collaboration with Emerson Collective's Elemental platform, which is focused on balancing the needs of humanity and nature by supporting scalable, equitable, and innovative solutions.

In 2013, the U.S. Navy made a $30 million commitment to our program.

Coming out of the Hawaii Clean Energy Initiative, a model for states pursuing an aggressive transition to renewable energy, the U.S. Department of Energy set aside funding for innovation. This became the seed funding for Elemental Excelerator.

Hawaiian Electric Industries was our first Global Partner. Together we have partnered on nearly a dozen demonstration projects.

Vector is New Zealand’s largest distributor of electricity and gas. They challenge and reinvent the way communities and businesses are powered and connected.

Tokyo Electric Power Company Holdings, Inc. (TEPCO) is the largest public utility in Japan, and the 4th largest utility in the world.

SK Gas is looking for technologies that bring innovation to the energy sector and has high interest in service solutions that are built around enhancing engagement with end customers.

Elemental Excelerator is partnering with HCF in looking at innovative ways to increase water efficiency, transparency, and supply.

PTT, a Fortune 500 and a member of World DJSI, is a fully integrated energy and petrochemical company in Thailand, with global footprints.

National Grid Partners is the venture investment and innovation arm of National Grid plc.

Pacific Gas and Electric Company is one of the largest combined natural gas and electric energy companies in the United States.