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Gorge 18

Chittenden County, Vermont · EIA plant ID 6475 · Operator: Green Mountain Power Corp
HydroConventional HydroelectricISONEBA: ISNE
Nameplate3MWSummer 3 MW
Generators1in service
Net generation15GWh12 mo to Dec 2025
Capacity factor59%hydro units, summer MW
Heat rate—thermal plants only
First online1928

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
-1012GWh2001200320052007200920112013201520172019202120232025

Capacity factor by year

Net MWh ÷ (summer MW × hours), hydro units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%25%50%75%2005201020152020202558.6% · 12 mo

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)
20013.411.6%—
200210.536.4%—
20038.830.3%—
200410.436.0%—
200510.134.8%—
20061448.5%—
20071038.0%—
200813.852.5%—
200913.350.7%—
201012.346.8%—
20119.736.7%—
201200.0%—
20139.435.7%—
201411.242.6%—
201515.157.4%—
201614.354.4%—
201712.648.1%—
20189.837.3%—
201912.748.3%—
20205.119.2%—
202110.740.6%—
202211.242.4%—
202320.578.0%—
202416.763.5%—
202515.458.6%—

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
1Conventional HydroelectricHY33Jan 1928Operating—coming soon

Owner / operator

Operator: Green Mountain Power Corp. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Green Mountain Power Corp100.0%3 MW

Nearby plants

Within 80 km.
Colchester 1618 MW0.1 km
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158th Fighter Wing Solar Farm1 MW1.9 km
Whitcomb Solar Farm2 MW2.6 km
J C McNeil60 MW3.1 km
Essex Junction 1916 MW4.3 km