Natural Dam P-2851
General information | |
| Waterway |
Oswegatchie River |
| Current status | Active license |
| Type of facility | Conventional Hydro |
| Mode of hydropower generation | Run-of-river |
| Type of permit | FERC License |
FERC information | |
| FERC docket # | P-2851 |
| FERC project name | Natural Dam |
| Permit issued | 9/1/11 |
| Permit expiration | 4/27/52 |
Ownership and operation | |
| Owner | DUNN PAPER |
| Owner type | Industrial |
| Year first online (conventional hydro) | 1959 |
| Transmission or distribution system owner | Niagara Mohawk Power Corp. |
Power and generating capacity | |
| Number of units | 3 |
| Total capacity from hydraulic turbine-generator units within each plant | 1.0 MW |
| Average annual net hydropower generation | 5,823.1 MWH |
The Natural Dam Project consists of: a 230-foot-long, 3-foot-high concrete dam with a 155-foot-long spillway equipped with a 2.2-foot-high inflatable rubber dam and a 180-foot-long auxiliary dam/spillway; a 570-acre impoundment with a normal water surface elevation of 396.0 National Geodetic Vertical Datum (NGVD) ; a 152-foot-long headpond connected to a wooden power flume; a powerhouse containing three turbines directly connected to two 300-kW and one 420-kW generating units for a total installed capacity of 1,020 kW; a tailrace; and an 80-foot-long, 23-kilovolt transmission line.
The project creates a 570-foot-long bypassed reach. There are no recreational facilities at the project.
Source: FERC
Milestones
| Revised Study Plan Submitted | 01-22-2008 |
| Settlement Filed | 03-04-2010 |
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