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Rough Terrain & Horizontal Single Axis Trackers

finding the optimum graded surface for any given tracker is a highly complex problem, which involves multiple linear and non-linear variables plus thousands of possible solutions.

Bulldozer, the grading automation tool developed by Geo Future helps our Clients determine which trackers offer the best cost to benefit ratio; beyond just helping to find the optimum surfaces (preliminary grading), but; also providing data to identify the existing trade-off between earth work vs. steel costs; which depending on the market, may be very different from one place to another.

 
© Copyright 2018, GeoFuture, LLC.

© Copyright 2018, GeoFuture, LLC.

We are proud to share with you a sneak peek of a white paper that was recently released by EPRI; for which we were invited to collaborate by Dr. Doug Hall with Hall Consulting. Our work we believe is a step in the right direction, this is a very complex matter with many parameters and and far reaching impacts, direct and indirect, to the LCOE.

As
a result, currently, each potential rough-terrain site must be treated
uniquely with detailed engineering analysis performed to determine
the amount of land preparation required along with any specialty
components (such as longer piles) required in specific locations
within the plant.
— Program on Technology Innovation: Rough - Terrain PV Trackers, Dr Doug Hall, EPRI Feb 2020, pp 21

We invite you to connect with EPRI so you could have access to the complete study.

 

how does bulldozer works

Bulldozer use pile lengths as a variable, together with tracker’s grading specifications. Once the tracker layout - any tracker in the market - and the file with the topography are uploaded, Bulldozer runs thousands of permutations, in 10 seconds or less. The output is a table with the optimum cut and fill quantities for any project size, organizing results by tracker row, by sub array, by array or by any configuration the Client may had specified.

Once the Client identify the best configuration, the function that produces a contour map as an output is manually enabled by the user and start running. This process could take 5 minutes or more, its output is a geo-referenced 3D AutoCAD file with the contours for the proposed preliminary grading plan, including a table with the cut and fill quantities.

 
Credits Rev 2.JPG

© 2020 Electric Power Research Institute (EPRI), Inc. All rights reserved. Electric Power Research Institute

EPRI Resources

Joe Stekli, Senior Technical Leader jstekli@epri.com

Michael Bolen, Principal Project Manager mbolen@epri.com

 

Please feel free to contact us if you are interested in learning more about our Tracker Topography Constraint Analysis (TTCA) using Geo Future’s Bulldozer tool, for any tracker project in any place in the world; call us at +1 415 793 9156.