The number of crest gates currently open at the Conowingo Dam can be viewed here.

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The Conowingo Dam significantly benefits our environment, our economy, and the Chesapeake Bay, all while fighting climate change and supporting our community.

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Renewable Energy Environmental Responsibility Economic Development

For more than 90 years, the Conowingo Dam has been Maryland’s largest source of renewable energy.

News & Events

Mar 25, 2025

Constellation Temporarily Closes Portion of Hiking Trails Near Fisherman's Park to Help Prevent Spread of Avian Flu

Jul 20, 2023

Constellation Reopens Hiking Trails Near Fishermans Park After Temporary Closures Emplaced to Prevent the Spread of Avian Flu

Trails near Fisherman’s Park are now open after temporarily closing to help prevent the spread of Avian Flu.

Apr 04, 2023

Constellation Temporarily Closes Portion of Hiking Trails Near Fishermans Park to Help Prevent Spread of Avian Flu

Mar 19, 2021

FERC Renews Conowingo Dam's Operating License, Preserving Maryland's Largest Source of Renewable Energy

With a new 50-year operating license in hand, Constellation can now move forward with up to $700 million in planned investments to enhance aquatic life, water quality and environmental stewardship

Nov 13, 2020

Conowingo Dam Recreation COVID-19 Update

Conowingo Visitor Center will be closed to the public starting 5 p.m. today (11/13/20)