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Projects
Bechtel is designing, engineering, and constructing three key phases of the Mammoth Solar facility in Indiana — one of the largest solar facilities in the U.S. — for Doral Renewables. Together, these phases will deliver 900 megawattAC of clean energy — enough to power approximately 200,000 homes.
Mammoth Solar began in 2019 as a grassroots effort, with local farmers leasing land to Doral Renewables for renewable energy production. In 2025, Doral Renewables selected Bechtel to expand its facilities to span across two counties. Once complete, Mammoth Solar will generate up to 1.3 gigawattAC of renewable energy — strengthening the U.S.’ supply of reliable, clean energy and boosting Indiana’s total solar capacity by more than 20%.
We will apply our award-winning digital delivery approach and autonomous technologies to streamline construction and enhance project delivery.
Total clean energy capacity upon completion
Total capacity will be enough to power around 200, 000 homes
At peak construction, the project is expected to create over 1,200 jobs, including at least 15% dedicated to apprenticeships that will provide hands-on training for young professionals and newcomers to the construction industry.
Bechtel will collaborate with local building trades and be a reliable partner to the community as it delivers the project.
The Bechtel-led team will install approximately 2 million solar modules, of which 1 million will be made in the U.S.
Bechtel and our trade union partners are recruiting for Mammoth Solar, with roles available for operators, carpenters, laborers, and electricians. To learn more, contact our union partners below.
Images from a previous phase completed in 2024. Livestock grazing around Mammoth Solar panels. Courtesy of Doral Renewables
When the project is complete, Doral Renewables will implement agrivoltaics initiatives across the site, including integrating on-site livestock grazing and crop cultivation around the solar panels. This dual-use technique allows local landowners to continue farming operations while renewable power is produced, maximizing land use.
