Envision Solar Completes Second Solar Tree® Array Installation for NREL

Drag and Drop™ capability enabled installation to be completed in record time

SAN DIEGO, April 11, 2013 -- Envision Solar International (EVSI), a leading sustainable infrastructure product designer and developer, is pleased to announce the successful installation of a second Solar Tree® array for the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) at their Vehicle Testing and Integration Facility (VTIF).


Envision Solar completed the installation of the Solar Tree® array for NREL four and a half days after the components arrived at the site on a single truck. The Drag and Drop™ capability Envision Solar offers meant limited disruption at the site and the ability to use the product right away, which was very appealing to NREL.

"I'm proud that we have been chosen again by NREL. They are delighted the Solar Tree deployment went so quickly and without any typical construction problems," stated Desmond Wheatley , Chief Executive Officer, Envision Solar. "Our drag and drop infrastructure is comprised of engineered modules which enable us to deliver beautiful and complex structures, made simple and risk free for our customers. That's how we minimize installation time and impact to their property."

"The addition of this Made in America 18kW solar canopy incorporating EnvisionTrak™ and EV Charging supports NREL's R&D mission to integrate electric vehicles and grid systems for enhanced value," stated Tony Markel , Senior Engineer, NREL. System benefits of the new tree were maximized by integrating the most efficient SunPower E20 solar panels and a compact transformerless bi-polar inverter from Ideal Power Converters.

The Solar Tree® structure is designed to withstand 120mph winds and six feet of snow simultaneously; it is the most robust Solar Tree® structure Envision Solar has designed to date.

About Envision Solar International, Inc.
Envision Solar, www.envisionsolar.com , designs, manufactures and deploys unique, proprietary and architecturally creative renewable energy systems with a Drag & Drop Infrastructure™ product line. The company's flagship products include the patented Solar Tree® array and Solar Tree® Socket™ solar shaded parking solutions with EnvisionTrak™, a proprietary and patent pending solar tracking machine, and SunCharge™ Column Integrated Electric Vehicle Charging Stations.

Based in San Diego the company integrates only the highest quality components into its Made in America products ensuring long and trouble free service and timeless beautification of the parking lots they serve. This unique approach to the industry allows the company's commercial and institutional customers to take full advantage of the value creation associated with transforming parking lots into beautiful, shaded, renewable energy generation plants shrouded in the "Green Halo." Envision Solar is listed on the OTC Bulletin Board under the symbol [EVSI]. For more information on Envision Solar, visit www.envisionsolar.com or call (866) 746-0514.

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