Google’s $1 Million Challenge: Building a Smaller, Smarter Power Inverter

In an ambitious push to advance clean energy technology, Google has officially opened applications for its Little Box Challenge—a $1 million competition to design a smaller, more efficient power inverter. Announced earlier in May, this initiative aims to drive innovation in energy conversion systems, making renewable power more accessible worldwide.

Why Power Inverters Matter

Power inverters play a critical role in energy systems by converting direct current (DC) from sources like solar panels into alternating current (AC), which powers homes, businesses, and electric vehicles. However, traditional inverters are often bulky and expensive, limiting their deployment in remote or cost-sensitive areas.

By shrinking inverter technology, Google hopes to:

  • Reduce costs for renewable energy systems
  • Expand access to electricity in underserved regions
  • Improve efficiency for next-gen power grids

Competition Details & Timeline

The Little Box Challenge follows a structured timeline:

  • Application Deadline: September 30, 2014
  • Technical Submission: July 22, 2015 (registered teams must submit designs)
  • Winner Announcement: January 2016

Google has partnered with the Institute of Electrical and Electronics Engineers (IEEE) to ensure technical rigor and industry-wide credibility.

The Bigger Picture

This competition aligns with Google’s broader commitment to sustainability and energy innovation. A smaller, cheaper inverter could accelerate the adoption of solar power, support microgrids, and even enhance electric vehicle charging systems.

Interested teams can find full details and registration at the Little Box Challenge website.


Will a breakthrough in inverter technology reshape the future of energy? Google’s $1 million bet says it just might.


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