Startup Accelerator and Competition for Promising Cleantech Entrepreneurs Announces May 1 Deadline

With a $1.2 billion portfolio of clean technology innovations, the nonprofit Cleantech Open trains competition-winning entrepreneurs to succeed in business while solving intractable environmental challenges

Cleantech Open is now accepting applications from innovative startups for its 2019 competition. Qualified candidates are emerging cleantech entrepreneurs with solutions to improve the environment, curb emissions, and improve energy efficiency. Applications are due by May 1.

Alumni startups have raised over $1.2 billion and created over 3,000 jobs, while the accelerator has trained and mentored more than 1,500 cleantech startups nationwide, including close to 400 in nine Northeast states since 2005. 

“The 2018 Cleantech Open National Grand Prize Winner was Radical Plastics, a startup led by Yelena Kann and Kristin Taylor, two women from the Boston area,” said Beth Zonis, Northeast Regional Director for Cleantech Open. “Their solution addresses the problem of plastics in our environment by rendering conventional plastics biodegradable. This win is especially meaningful because the company founders and innovators are women.”

About the competition

Cleantech Open is a call for creative people in labs and offices at universities, accelerators, incubators, prize competitions, and deep experts working out of their basements and garages who are inventing a clean technology solution. Cleantech Open is the world’s oldest and largest accelerator and business plan competition for cleantech startups.

The global problem

Everyone around the world is facing freak storms, droughts, and floods; large populations are also experiencing increasing difficulty accessing clean air, clean water and safe food. Innovators with disruptive ideas and the motivation to work hard are building the cleantech economy, while solving some of the most intractable environmental challenges facing the world today. 

The cleantech solution

Cleantech solutions refer to technical products and services that are clean, green and sustainable in the areas of energy generation, energy distribution and storage, energy efficiency, green buildings, transportation, information and communications, chemicals and advanced materials, agriculture, and water and waste.

About Cleantech Open

Cleantech Open is the world’s oldest and largest cleantech accelerator. The organization’s mission is to find, fund and foster entrepreneurs with big ideas that address today’s most urgent energy, environmental, and economic challenges. A 501(c)(3) not-for-profit organization, Cleantech Open provides the infrastructure, expertise and strategic relationships that turn clever ideas into successful global cleantech companies. Information at and Twitter.


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