SolarWindow Technologies, Inc. (WNDW)

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It's taken them eleven years of experiments and research to reach this point!

Back in 2009, they applied the world's smallest solar cells to a transparent surface.
In Sept of 2010 they successfully powered the lights on a model home and turned mechanical rotor blades.

March 2011
In order to boost power, researchers successfully tripled the number of solar cells squeezed onto a single square inch of SolarWindow™ surface area.

With proof of concept, they moved towards product development. They entered into an agreement with the US Department of Energy’s National Renewable Energy Laboratory in Colorado.

December 2011

For the first time ever, SolarWindow™ coatings are applied to glass using a new process. Researchers believe they can now build bigger SolarWindow™ devices, and do so faster. President and CEO, John A. Conklin declares the event a “…breakthrough [which] marks a significant leap forward in our SolarWindow™ evolution…” The new process works. Seven weeks later SolarWindow™ becomes the largest-ever device-of-its-kind built at one of the world’s leading solar photovoltaic research institutions.

December 2013

SolarWindow™is awarded the 2013 Energy Innovation Award by Energy Business Review, recognized as the most promising global energy project of the year.

In the months ahead new records are set for power and size, and important breakthroughs are achieved for color and transparency.

March 2014
We build our biggest SolarWindow™ module. It’s high-performance and 35% larger than before. We’re now more than 14 times the size of previously attempted devices measured at the National Renewable Energy Laboratory. In only six weeks, SolarWindow™ will set a set another record. This time for power.


New Record Set: 50% More Power
May 2014
Our SolarWindow™ sets a new record for generating electricity while remaining see-through, with more than 50% greater power than prior attempts publicized by others. This record-setting power production will lead to 50-times greater performance than solar, according to new modeling data released only 30 days later.

SolarWindow™ and US Congress
September 2014

SolarWindow™ modules are demonstrated to Congress during first-ever National Lab Day, co-sponsored by the U.S. Department of Energy. Attendees are unaware that SolarWindow™ is on the verge of achieving the industry’s fastest-ever financial payback, according to data released only a few months later.

Product Durability Testing Accelerates
March 2015
Encouraging test results from degradation and stability outcomes leads to the acceleration of important durability and product-lifecycle testing efforts, important to eventual products.

Invisible Wires Start ‘Disappearing’ on Transparent Electricity-Generating SolarWindow
November 2015

Process breakthrough has enabled the advanced development of invisible wires as thin as human hair for improved transmission of electricity from the surface of its power-generating glass.

SolarWindow Enters into Third Phase of Technology Development Agreement
March 2016
SolarWindow entered into Phase III of its Cooperative Research and Development Agreement (CRADA) with the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL).

'Invisible System’ for Transporting Electricity Within Electricity-Generating SolarWindow
July 2016
SolarWindow revealed an ‘invisible’ system for transporting electricity within the company’s electricity-generating windows, with high-power optical microscopy images, revealing elements of a SolarWindow™ Intra-Connection System that is virtually invisible to the human eye at approximately 50 micrometers (µm) wide, half the width of a human hair.

SolarWindow Surpasses Critical Milestone for Manufacturing Electricity-Generating Windows
September 2016
Initial work begun on transparent electricity-generating veneers. These could be applied directly on to existing windows of homes and commercial buildings, for which there are an estimated over 430 million square feet of windows in the U.S. alone.

SolarWindow Surpasses Critical Milestone for Manufacturing Electricity-Generating Windows
December 2016

SolarWindow expanding product development to include applying its electricity-generating coatings onto flexible glass – as thin as a business card (only 0.1-millimeter-thick) – that is flexible enough to be bent without breaking or cracking.

SolarWindow Passes Important Weather-Performance Testing
May 2017
SolarWindow coatings passed important weather-performance testing, being subjected to more than 200 freeze/thaw cycles, which yielded favorable performance results.

SolarWindow Successfully Processed Modules in Commercial Autoclave
May 2017

SolarWindow™ electricity-generating glass was successfully processed through the rigorous autoclave system for window glass lamination at a commercial window fabricator.

SolarWindow Advances Collaboration with Raynergy Tek
February 2018
SolarWindow has advanced collaboration with one of the world’s leading suppliers of organic photovoltaic materials, used by SolarWindow to coat ordinary glass and turn it into electricity-generating windows.

New SolarWindow Performance Record
March 2018

SolarWindow set a new company performance record for power efficiency with a 34% increase in performance.

SolarWindow Awarded U.S. Department of Energy Grant for Advanced Manufacturing
March 2018
SolarWindow has been awarded its first-ever advanced materials manufacturing Cooperative Research and Development Agreement (CRADA) by the U.S. DOE.

SolarWindow Filed Over 90 patents and Trademarks
April 2018
SolarWindow has now filed more than 90 U.S. and international patents and trademarks for protecting its brand identities, products, services, processes, and materials.