Exhibit 99.1 Pioneer Power Reports Robust Revenue Growth of 147% in Second Quarter 2025 Q2 Revenue of $8.4 Million; First-Half 2025 Revenue Grows 125$15.1 Million Reaf irms Full-Year 2025 Revenue Guidance of $27 Million to$29 Million FORT LEE, N.J., August 14, 2025 /BusinessWire/ — Pioneer Power Solutions, Inc. (Nasdaq: PPSI) ("Pioneer" or the "Company"), a leader in the design, manufacture, service and integration of distributed energy resources, power generation equipment and mobile electric vehicle ...