Joshua Weiner

Joshua Weiner, NABCEP is an energy and construction engineering expert specializing in solar PV, energy storage, and microgrid design. With a career spanning solar project development, energy technologies, and policy frameworks, he brings a comprehensive understanding of the technical and regulatory aspects critical to litigation work. His work centers on investigating compliance with industry standards, assessing the viability of energy solutions, and evaluating whether project implementations meet contractual obligations.

Mr. Weiner has been retained in numerous expert witness and consulting engagements across the United States, involving utility-scale, commercial, industrial, and residential solar and energy storage projects. His BA in Astrophysics/Astronomy, along with NABCEP certification, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving energy technologies and project execution.