NuclearOperatingNYISO

R E Ginna Nuclear Power Plant

Nuclear power plant in Wayne County, New York. 614 MW of nameplate capacity across 1 generator, operated by Constellation Nuclear.

Also known as R.E. Ginna Nuclear Station · R.E. Ginna Nuclear Power Plant · RE Ginna Nuclear Power Plant · EIA plant 6122

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Furnace Rd Community Solar FarmTown of Williamson La…EddyMonroe County Sites A & BSCS Penfield One 010750 Penfield, LLCFrey Rd #2 Community…R E Ginna Nuclear10 km
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6 plants within 20 km, from EIA coordinates.

Key facts

Capacity
614 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
July 1970First generator online
Operator
Constellation NuclearEIA operator ID 55951
Grid
NYISOBalancing authority NYIS
Price nodes
1 NYISO nodeResource nodes with prices
Location
Wayne County, NY43.2777, −77.3099
EIA plant ID
6122EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power R E Ginna Nuclear produces

Free · EIA-923

Net generation, 2025

5.03 TWh

5,034,798 MWh, final

Capacity factor, 2025

93.6%

2024: 89.0%

January to July 2026

2.60 TWh

Provisional

Range, 2015 to 2025

4.3–5.1

TWh a year. Low 2020, high 2016

Annual net generation, TWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
20003,809,117Not reported12 of 12
20014,285,728Not reported12 of 12
20023,826,848Not reported12 of 12
20033,864,019Not reported12 of 12
20043,952,264Not reported11 of 12
20053,998,213Not reported12 of 12
20064,119,674Not reported12 of 12
20074,930,528Not reported12 of 12
20084,742,826Not reported12 of 12
20094,630,903Not reported12 of 12
20104,948,36392.0%12 of 12
20114,278,53279.5%12 of 12
20124,601,71985.3%12 of 12
20134,993,29692.8%12 of 12
20144,662,49586.7%12 of 12
20154,801,39189.3%12 of 12
20165,070,32394.0%12 of 12
20174,697,67587.3%12 of 12
20184,689,44087.2%12 of 12
20194,993,69392.8%12 of 12
20204,332,88880.3%12 of 12
20214,732,72788.0%12 of 12
20225,038,58893.7%12 of 12
20234,644,95386.4%12 of 12
20244,799,08689.0%12 of 12
20255,034,79893.6%12 of 12
2026 (provisional, partial year)2,604,44983.4%7 of 7

* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.

Power prices and basis

Free account · NYISO

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

Withdrawal, 2024

170,154

million gallons

Consumption, 2024

0

million gallons

Source

LAKE ONTARIO

Surface, Fresh. Once-through

Watershed stress

Moderate · 0.429

USGS SUI, HUC12 Mill Creek-Frontal Lake America

12 of 12 cooling months report withdrawal. Great Lakes intake; a shoreline HUC12 does not describe the lake; not tested. Blank volumes are unreported, not zero.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
1Nuclear614.0July 1970

Ownership and offtake

Pro
Pro

Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Constellation Nuclear as the operator, which is not always the owner.

Modeled data

Pro

Pro adds modeled values for this plant. Everything above stays free.

Modeled

Generation potential vs reported

Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.

Analyst and MCP

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Power plants near R E Ginna Nuclear

More plants operated by Constellation Nuclear

Questions about R E Ginna Nuclear

How much power does R E Ginna Nuclear Power Plant produce?

R E Ginna Nuclear Power Plant reported 5,034,798 MWh (5.03 TWh) of net generation in 2025, a 93.6% capacity factor on 614 MW of nameplate capacity. From January to July 2026 it reported 2.60 TWh, which is provisional.

Where is R E Ginna Nuclear Power Plant?

R E Ginna Nuclear Power Plant is in Wayne County, New York, at 43.2777, −77.3099. It is in the New York Independent System Operator balancing area (NYIS).

Who operates R E Ginna Nuclear Power Plant?

EIA-860M for August 2026 lists Constellation Nuclear as the operator (EIA operator ID 55951). The operator is not always the owner.

When did R E Ginna Nuclear Power Plant start operating?

Its first generator began operating in July 1970, according to EIA-860M.

Does InfraMap have power prices for R E Ginna Nuclear Power Plant?

Yes. InfraMap has NYISO day-ahead and real-time prices at 1 price node linked to R E Ginna Nuclear Power Plant, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
  • NYISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
  • EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
  • Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page