Nautilus Solar Energy is a community solar company founded in 2006 and headquartered in Chicago, Illinois. It develops, builds and operates solar farms that residential and commercial customers subscribe to for local clean energy, without installing rooftop panels or making an upfront investment; subscribers are guaranteed savings on their electricity bills. The company reports more than 55,000 subscribers across multiple states in the United States.
The business spans the full project lifecycle: financing, development, long-term operations, maintenance and customer service. Its stated technical domains include community solar, solar farm development, renewable energy, project financing, energy project operations and maintenance, and sustainable land management. Nautilus selects sites intended to minimise environmental impact and applies sustainable land-management practices.
Nautilus Solar Energy is owned by Power Sustainable. Its stated mission is to broaden access to clean, renewable energy regardless of income or homeownership status, combining experience in renewable energy with efforts to widen equitable access and to reduce carbon emissions.






