(WHTM) — Constellation Energy announced today that $1 million in grant funding will support 35 community-based sustainability projects across five states, including Pennsylvania.

Constellation Energy, the nation's largest producer of emissions-free energy, recently signed its largest-ever power agreement with Microsoft to restore the Unit 1 reactor on Three Mile Island.

Constellation Energy unveils plan to restart Three Mile Island nuclear reactor

A total of 25 nonprofits across Pennsylvania, Maryland, New York, Illinois, and Texas received grants ranging from $5,000 to $125,000 through the Constellation Foundation, according to Constellation Energy.

"Running the nation's largest fleet of zero-emissions clean energy centers comes with the responsibility of preserving natural resources, protecting wildlife, and strengthening biodiversity in our communities," said Bryan Hanson, executive vice president and chief generation officer, Constellation. "The CLEAN Awards uplift our nuclear plant communities by supporting local and regional environmental stewardship organizations that share our commitment to creating a cleaner, healthier future."

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Two Pennsylvania nonprofits received funding to help support sustainability projects. Schuylkill River Greenways , a National Heritage Area and valued local resource in Pennsylvania, is using its grant to support the Douglassville Bridge debris removal project. Constellation says this project will restore the river's natural flow and improve habitat for aquatic species.

Perkiomen Watershed Conservancy: Butterfly Learning Center in Schwenksville, Pennsylvania, is using the grant to grow its Dragonfly farm into a sustainable pollinator and butterfly habitat. Constellation says these funds will help the farm grow and maintain more than 150 native plant species. The Conservancy will also construct a butterfly learning center.

To learn more about the projects receiving grants from Constellation, visit their website .