This vast 1.3 GW Indiana solar farm will power 200,000 homes

Mammoth Solar, a 1.3 gigawatt (GW) solar farm in northern Indiana, is now powering into its biggest construction phase yet, cementing its place as one of the largest solar projects in the US.

The solar farm is set to increase Indiana’s solar capacity by more than 20% once it’s fully online. And with construction ramping up this month, developer Doral Renewables has given Bechtel Full Notice to Proceed on the design, engineering, and construction of three major phases of the project: Mammoth South, Mammoth Central I, and Mammoth Central II. Together, these phases will generate 900 MW of clean energy.

That’s enough electricity to power around 200,000 homes with clean energy, helping Indiana shift away from fossil fuels while boosting the local economy.

Construction is already underway, and over the next two years, Bechtel will install around 2 million solar panels, with about half of them made in the US. The company is also handling all engineering, procurement, and construction work, using its digital project management tools and autonomous tech to keep everything on track.

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At the peak of the buildout, Mammoth Solar is expected to create over 1,200 jobs, with at least 15% of those set aside for apprenticeships.

Bechtel says its success will hinge on strong collaboration with local trades and vendors. The company is working closely with craft professionals and is committed to being a reliable community partner throughout construction.

Once the solar farm is complete in 2027, Doral Renewables plans to roll out agrivoltaics across the site. That means livestock grazing and crop cultivation will happen right alongside energy production, giving farmers in the area a way to keep working their land while supporting clean energy development.

Read more: Solar adds more new capacity to the US grid in 2024 than any energy source in 20 years

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