Waterford 1 & 2

OperatingDistillate OilNatural GasHybrid

Ranked #17 of 52 Natural Gas plants in LA#490 of 2009 nationally

486.5 MW Natural Gas Steam Turbine (446 MW) + Petroleum Liquids (41 MW) operating in St Charles, LA — Midcontinent Independent Transmission System Operator, Inc..

EIAWD

486.5 MW

Nameplate Capacity

2

Generators

units

Hybrid (2)

Technology

Natural Gas Steam Turbine + Petroleum Liquids

1975

Operating Since

Location

Coordinates

29.9989, -90.4768

County

St Charles, LA

Nearby Plants

Waterford 3
Nuclear1199.8 MW · 0.6 km
Little Gypsy
Natural Gas1002.9 MW · 1.6 km
St. Charles Power Station (LA)
Natural Gas1000 MW · 2.0 km

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Entergy Louisiana LLC	Entergy Louisiana	—
Owner(s)	Entergy Louisiana LLC	Entergy	—
Status	Operating	—	—

Ownership Chain

About

Waterford 1 & 2 is a 486.5 MW hybrid power plant located in St Charles County, Louisiana. The plant, which began operating in 1975, is owned by Entergy and operated by Entergy Louisiana LLC. It utilizes both natural gas steam turbines and petroleum liquids as fuel sources. The plant consists of two generators.

Waterford 1 & 2 operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the SERC NERC region. In the most recent year with available data, the plant generated 318,679 MWh, achieving a capacity factor of 7.4%. The plant's installed cost was $222.15 per kW, according to FERC data. Waterford 1 & 2 is ranked as the largest of its kind in Louisiana and 25th nationally out of 60 similar plants.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Wikidata

Engineering & Generators

Grid Context

NERC Region

SERC

Balancing Authority

Midcontinent Independent Transmission System Operator, Inc..

Grid Voltage

230 kV

Regulatory Status

RE

Entity Type

Investor-Owned Utility

Sector

Electric Utility

Generation

11.0K MWh

Latest Month

318.7K MWh

Annual Generation

7.4%

Capacity Factor

Jan 2022 – Dec 2024

Financial DataBeta

Source: FERC Form 1HIGH

$276/kW

Installed Cost

$56.6/MWh

Operating Cost

Entergy Louisiana, LLC

Reporting Utility

Annual Capital & Operating Expenses

Cumulative Installed Cost

Per-Unit Cost Trends

Pricing & Market Data

HIGH confidence

Market Position

ISO/RTO Market

MISO

LMP Node

EES.WATRFD2

Pricing Hub

LOUISIANA.HUB

Location Type

Generation Node

Node Source

EIA-860 direct report

News & Articles (10)Beta

Industry·corporate

Entergy breaks ground on Meta power plants; will ‘reduce customer bills’

Entergy breaks ground on more Meta power plants in north Louisiana.

Entergy (developer)Meta (buyer)

The Shreveport-Bossier City Advocate·3 months ago

Industry·corporate

Entergy Louisiana breaks ground on new, state-of-the-art generation facilities to power reliability, growth and innovation

Posted:Dec 1, 2025 | Posted:Louisiana Team | Category:News release | Tags:Community partnership, Corporate, Data centers, Economic growth, Louisiana,...

Entergy Louisiana (developer)

Entergy·3 months ago