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Tannery Island Power

Jefferson County, New York · EIA plant ID 50416 · Operator: Elevate Power Management LLC
HydroConventional HydroelectricNYISOBA: NYIS
Nameplate2MWSummer 1 MW
Generators5in service
Net generation—GWh12 mo
Capacity factor—no 923 generation in the last 12 months
Heat rate—thermal plants only
First online1986

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
00.250.50.751GWh20012003200520072009201120132015201720192021

Capacity factor by year

Net MWh ÷ (summer MW × hours), primary-fuel units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%50%100%2005201020152020

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20010.910.7%—
20021.112.3%—
20039102.7%—
20049.6108.7%—
20058.496.3%—
200610.2115.9%—
20077.686.8%—
20089.4107.3%—
20098.9101.7%—
20108.192.9%—
20118.799.3%—
20127.788.1%—
20137.585.2%—
20147.889.2%—
20156.473.0%—
20166.978.0%—
20179.3106.4%—
20186.675.3%—
20196.169.7%—
20205.764.5%—
20217.282.7%—
20225.461.5%—

Generators

EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
Gen IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
GEN1Conventional HydroelectricHY0.30.2Jun 1986Operating—coming soon
GEN2Conventional HydroelectricHY0.30.2Jun 1986Operating—coming soon
GEN3Conventional HydroelectricHY0.30.2Jun 1986Operating—coming soon
GEN4Conventional HydroelectricHY0.30.2Jun 1986Operating—coming soon
GEN5Conventional HydroelectricHY0.30.2Jun 1986Operating—coming soon

Owner / operator

Operator: Elevate Power Management LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Elevate Power Management LLC100.0%2 MW

Nearby plants

Within 80 km.
West End Dam Hydroelectric Project4 MW0.7 km
Carthage Energy LLC63 MW0.9 km
Longfalls Facility3 MW0.9 km
NY 26 Carthage CSG5 MW2.8 km
Carthage B3 MW4 km
Carthage A5 MW4.4 km