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PRIMRE/Databases/Projects Database/Projects/Living Bridge
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Living Bridge
New Energy was tasked to provide a tidal turbine on a high profile project alongside the University of New Hampshire. The project is a collaborative effort led by UNH with its departments of Civil Engineering, Mechanical Engineering, Sociology and the Center for Ocean Engineering partnering with the New Hampshire Department of Transportation and the National Science Foundation. The tidal turbine, an EVG-025H (25kW) turbine was installed underneath the Portsmouth Memorial Bridge. With multi-directional flow capabilities and salt water rated coatings and materials, this turbine was designed to handle the bi-directional flows and corrosive environment at this location. New Energy's turbine provides base load power to the smart service systems and sensors mounted on the bridge. These sensors collect data and assist in measuring bridge conditions (structural health monitoring), traffic management, environmental stewardship and estuarine water quality.
Additional Information
Project Status
Is the project actively being planned or is deployed in the water (active)? Or was the project canceled or completed (inactive)?
Active
Project Life Cycle
Project Progress through life cycle:
- Planned: Project has identified a deployment location and is preparing for deployment
- Operational: Project is deployed in the water and is active
- Completed: Project was previously deployed in the water
- Decommissioned: Installation has been fully removed in accordance with regulations
- Canceled: Project was canceled before being deployed in the water
Operational
Max Rated Power Capacity
The maximum amount of electricity that can be produced by project, based on available resources and device nameplate capacity.
0.025 MW
Operational Start Year
2017
Project Start Year
2014
Energy Resource
- Tidal
Project Scale
Full-scale
Number of Devices
1
Grid Connectivity
Not Grid Connected
Waterbody
Piscataqua River, New Hampshire
Site Characteristics
Geographic characterization for the project location:
- Open Ocean: Main body of ocean, not enclosed or partially enclosed by land
- Coastal: Open water near the coast, spanning between land and shelf boundary
- Enclosed Bay: water that is partially surrounded by land, with a mouth open to larger water
- Constricted Channel: A channel where water flows quickly due to narrowing by the land
- River: Water flowing from land towards a larger body of water
River
Country
United States
This Project has the following MRE Devices
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Citation Formats
“Living Bridge.” Marine Energy Projects Database: Projects, PRIMRE, United States Department of Energy, https://openei.org/wiki/PRIMRE/Databases/Projects_Database/Projects/Living_Bridge. Accessed <day> <monthRoman> <year>.
Marine Energy Projects Database: Projects. <year>. "Living Bridge." Accessed <monthRoman> <day>, <year>. https://openei.org/wiki/PRIMRE/Databases/Projects_Database/Projects/Living_Bridge.
Last modified: 8 April 2025