We find, fund, and foster the most promising cleantech startups on the planet.


Cleantech Open is...

the oldest and largest cleantech startup accelerator program, with the mission to find, fund, and foster entrepreneurs with ideas to solve our greatest environmental and energy challenges. Through the Cleantech Open's annual business competition and accelerator program, we connect cleantech startups with the people and resources that will accelerate their success, and provide a national platform for public visibility.

The Cleantech Open is a non-profit, startup accelerator that focuses on the clean technology area. It is active across the United States in eight regions and also runs a global ideas competition. Since 2005, the Cleantech Open has awarded over $6 million in cash and services. And the 1000+ companies in the Cleantech Open's accelerator programs have raised more than $1.1 billion in external capital.

Cleantech Open South Central Covers...

Cleantech Open South Central comprises four states: Texas, Oklahoma, Arkansas, and Louisiana. Located in the hub of US energy production, the region is now proving to be pioneers in renewable energy, energy and water efficiency, and clean technology. Partnering with numerous incubators across the region, Cleantech Open South Central serves as a launch pad for propelling new companies and exciting technologies towards the next stage of commercialization.