FRS Facility Detail Report


MIDDLETOWN

EPA Registry Id: 110000316266
1866 RIVER ROAD
MIDDLETOWN, CT 06457


The facility locations displayed
come from the FRS Spatial
Coordinates tables. They are the
best representative locations for
the displayed facilities based on
the accuracy of the collection
method and quality assurance
checks performed against each
location. The North American
Datum of 1983 is used to display
all coordinates.

Environmental Interests

Information System System Facility Name Information System Id/Report Link Environmental Interest Type Data Source Last Updated Date Supplemental Environmental Interests:
RESOURCE CONSERVATION AND RECOVERY ACT INFORMATION SYSTEM
MIDDLETOWN POWER LLC CTD000845230 SQG (Y) RCRAINFO

ELECTRONIC GREENHOUSE GAS REPORTING TOOL (E-GGRT)
MIDDLETOWN 1006408 GREENHOUSE GAS REPORTER E-GGRT

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
NRG MIDDLETOWN POWER STATION CTGSI1428 ICIS-NPDES NON-MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
NRG MIDDLETOWN POWER STATION CTGSI1428 STORM WATER INDUSTRIAL ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
BIENNIAL REPORTERS
MIDDLETOWN POWER LLC CTD000845230 HAZARDOUS WASTE BIENNIAL REPORTER RCRAINFO 12/31/2011
TOXICS RELEASE INVENTORY SYSTEM
MIDDLETOWN POWER LLC 06457MDDLT1866R TRI REPORTER TRIS 06/22/2022
CLEAN AIR MARKETS DIVISION (CAMD) BUSINESS SYSTEMS
MIDDLETOWN 562 AIR PROGRAM CAMDBS 03/17/2016
ICIS-AIR (AIR)
MIDDLETOWN POWER LLC CT0000000900700108 AIR MAJOR ICIS 02/10/2017
AIR FACILITY SYSTEM
MIDDLETOWN POWER LLC/ MIDDLETOWN STATION 0900700108 AIR MAJOR (OPERATING) AIRS/AFS 03/17/2014 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
CT - SITE INFORMATION MANAGEMENT SYSTEM
MIDDLETOWN POWER LLC 1536147 STATE MASTER SIMS
SIMS-104-0040
AIR PROGRAM
SIMS-CT0003883
NPDES PERMIT
SIMS-104-0102-R
AIR EMISSION INVENTORY
SIMS-104-0144
AIR PROGRAM
SIMS-104-0102-R
AIR EMISSION INVENTORY
SIMS-104-0098-R
AIR EMISSION INVENTORY
SIMS-GSI001428
NPDES STORMWATER PERMIT
SIMS-CSST-083-13-130
MATERIAL RECYCLING
SIMS-104-0145
AIR PROGRAM
SIMS-104-0082
AIR EMISSION INVENTORY
SIMS-104-0145
AIR EMISSION INVENTORY
SIMS-104-0146
AIR EMISSION INVENTORY
SIMS-104-0040
AIR EMISSION INVENTORY
SIMS-83-44942
UNDERGROUND STORAGE TANK PROGRAM
SIMS-104-0002
AIR EMISSION INVENTORY
SIMS-104-0144
AIR EMISSION INVENTORY
SIMS-104-0096-R
AIR EMISSION INVENTORY
SIMS-104-0147
AIR PROGRAM
SIMS-104-0100-R
AIR PROGRAM
SIMS-104-0042
AIR PROGRAM
SIMS-104-0102-R
AIR PROGRAM
SIMS-104-0103-R
AIR PROGRAM
SIMS-104-0146
AIR PROGRAM
SIMS-104-0147
AIR EMISSION INVENTORY
SIMS-104-0098-R
AIR PROGRAM
SIMS-104-0096-R
AIR PROGRAM
SIMS-104-0082
AIR PROGRAM
SIMS-MT070
OIL CONTROL
SIMS-104-0042
AIR EMISSION INVENTORY
SIMS-104-0144
AIR EMISSION INVENTORY
SIMS-104-0042
AIR EMISSION INVENTORY
SIMS-104-0043
AIR EMISSION INVENTORY
SIMS-104-0145
AIR EMISSION INVENTORY
SIMS-104-0147
AIR EMISSION INVENTORY
SIMS-104-0100-R
AIR EMISSION INVENTORY
SIMS-GWT000287
NPDES PRETREATMENT PROGRAM
SIMS-104-0043
AIR PROGRAM
SIMS-104-0040
AIR EMISSION INVENTORY
SIMS-104-0003
AIR PROGRAM
SIMS-104-0082
AIR EMISSION INVENTORY
SIMS-104-0098-R
AIR EMISSION INVENTORY
SIMS-104-0146
AIR EMISSION INVENTORY
SIMS-104-0100-R
AIR EMISSION INVENTORY
SIMS-104-0096-R
AIR EMISSION INVENTORY
SIMS-104-0103-R
AIR EMISSION INVENTORY
SIMS-104-0002
AIR PROGRAM
SIMS-104-0043
AIR EMISSION INVENTORY
SIMS-GSN002126
NPDES STORMWATER PERMIT
SIMS-104-0103-R
AIR EMISSION INVENTORY
SIMS-104-0003
AIR EMISSION INVENTORY
SIMS-104-0106-TV
AIR MAJOR
INTEGRATED COMPLIANCE INFORMATION SYSTEM NRG MIDDLETOWN POWER STATION 2600006090 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 04/11/2011
ELECTRONIC PERMIT SYSTEM
MIDDLETOWN POWER STATION EPS10133479 AIR PROGRAM API 10/22/2024
CT - SITE INFORMATION MANAGEMENT SYSTEM
NRG MIDDLETOWN POWER PLANT 1542748 STATE MASTER SIMS

COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE
MIDDLETOWN POWER LLC CEDRI92841 COMPLIANCE AND EMISSIONS REPORTING CEDRI 07/15/2025
TOXIC SUBSTANCES CONTROL ACT
MIDDLETOWN POWER LLC TSCA127941 TSCA SUBMITTER TSCA 09/23/2024
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
MIDDLETOWN POWER LLC CT0003883 ICIS-NPDES MAJOR ICIS 09/19/2005 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
ENERGY INFORMATION ADMINISTRATION-860 (EIA-860) DATABASE
MIDDLETOWN 562 ELECTRIC GENERATOR EIA-860 10/06/2020
EMISSIONS & GENERATION RESOURCE INTEGRATED DATABASE
MIDDLETOWN 562 ELECTRIC POWER GENERATOR (GAS BASED) EGRID 02/24/2020
INTEGRATED COMPLIANCE INFORMATION SYSTEM NRG MIDDLETOWN POWER STATION 1800063335 ENFORCEMENT/COMPLIANCE ACTIVITY ICIS 07/29/2010

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
AIR
4911
ELECTRIC SERVICES

AIRS/AFS
4911
ELECTRIC SERVICES

SIMS
4911
ELECTRIC SERVICES

CAMDBS
4911
ELECTRIC SERVICES

NPDES
4911
ELECTRIC SERVICES

Facility Codes and Flags

EPA Region: 01
Duns Number: 793422213
Congressional District Number: 03
Legislative District Number:
HUC Code/Watershed: 01080205 / LOWER CONNECTICUT
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
S.T. COTTER TURBINE SERVICES, INC FRS
MIDDLETOWN POWER LLC/ MIDDLETOWN STATION AIRS/AFS
NU SPILL POLE #4491 NCDB
NRG MIDDLETOWN POWER STATION MANUAL ENTRY
NRG MIDDLETOWN POWER PLANT SIMS
MIDDLETOWN POWER LLC RCRAINFO
NU NCDB
MIDDLETOWN STATION EIS
NRG ENERGY MIDDLETOWN STATION MANUAL ENTRY
NRG MIDDLETOWN OPERATIONS, INC NPDES
GENCONN MIDDLETOWN LLC EIA-860
NRG MIDDLETOWN OPS. INC. MIDDLETOWN STATION TRIS

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OWNER
NRG MIDDLETOWN OPERATIONS INC.
SIMS
View
OPERATOR
MIDDLETOWN POWER LLC
CAMDBS


OWNER
NRG MIDDLETOWN OPERATIONS,INC
NPDES
View
OWNER
MIDDLETOWN POWER LLC
RCRAINFO
View
OWNER
GENCONN MIDDLETOWN LLC
SIMS
View
OWNER
THE CONNECTICUT LIGHT AND POWER COMPANY
SIMS
View
PARENT OWNER
ARCLIGHT CAPITAL HOLDINGS LLC
E-GGRT


OTHER CONTACT
THE CONNECTICUT LIGHT AND POWER COMPANY
SIMS
View
PARENT COMPANY
MIDDLETOWN POWER LLC
EIA-860
View
OWNER/OPERATOR
CONNECTICUT LIGHT & POWER COMPANY
EIA-860


OPERATOR
GENCONN MIDDLETOWN LLC
EGRID


PARENT COMPANY
CT LIGHT AND POWER CO
EGRID


OTHER CONTACT
NRG ENERGY, INC.
SIMS
View
PARENT COMPANY
MIDDLETOWN POWER LLC
EIA-860
View
FORMER OWNER
GENCONN MIDDLETOWN LLC
CAMDBS


PARENT COMPANY
NRG ENERGY INC 793422213
TRIS


OWNER
MIDDLETOWN POWER LLC
SIMS
View
OWNER/OPERATOR
MIDDLETOWN POWER LLC
CAMDBS


OWNER
THE CONNECTICUT LIGHT AND POWER COMPANY
SIMS
View
PARENT OWNER
NRG ENERGY INC.
E-GGRT


OWNER
GENCONN MIDDLETOWN LLC
CAMDBS


MAILING ADDRESS
NRG MIDDLETOWN OPERATIONS INC
NPDES
View
OPERATOR
MIDDLETOWN POWER LLC
RCRAINFO


TRANSMISSION OR DISTRIBUTION SYSTEM OWNER
CT LIGHT AND POWER CO
EIA-860


REGULATORY CONTACT
MIDDLETOWN POWER LLC
NPDES
View

National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
E-GGRT 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
CAMDBS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
TRIS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
AIRS/AFS 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
AIR 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
EIA-860 22

RCRAINFO 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
PARENT COMPANY P O BOX 10011866 RIVER ROAD MIDDLETOWN CT EIA-860
REGULATORY CONTACT 74 LATHROP RD. UNCASVILLE CT 06382 CAMDBS
REGULATORY CONTACT 79 ELM STREET HARTFORD CT 06106-5127 CAMDBS
UNKNOWN CONTACT 74 LATHROP RD UNCASVILLE CT 06382 CAMDBS
UNKNOWN CONTACT 734 NAUGATUCK AVE MILFORD CT 06460 CAMDBS
OWNER PO BOX 270 HARTFORD CT 06141 SIMS
UNKNOWN CONTACT 74 LATHROP RD. UNCASVILLE CT 06382 CAMDBS
UNKNOWN CONTACT PO BOX 1001 MIDDLETOWN CT 06457 CAMDBS
REGULATORY CONTACT PO BOX 1001 MIDDLETOWN CT 06457 CAMDBS
PERMIT CONTACT 74 LATHROP RD UNCASVILLE CT 06382 CAMDBS
REGULATORY CONTACT 1866 RIVER RD MIDDLETOWN CT 06457 RCRAINFO
FACILITY MAILING ADDRESS PO BOX 1001 MIDDLETOWN CT 06457 AIR
MAILING ADDRESS P.O. BOX 1001 MIDDLETOWN CT 06457 NPDES
OTHER CONTACT 211 CARNEGIE CTR PRINCETON NJ 08540-6298 SIMS
UNKNOWN CONTACT COMPLIANCE ANALYSIS & COORDINATION UNIT HARTFORD CT 061065127 CAMDBS
PRIMARY FACILITY SITE CONTACT 106 POINT DRIVE NORTH DUNKIRK NY 14048 CAMDBS
PERMIT CONTACT 74 LATHROP RD. UNCASVILLE CT 06382 CAMDBS
UNKNOWN CONTACT 79 ELM STREET HARTFORD CT 06106-5127 CAMDBS
OTHER CONTACT PO BOX 270 HARTFORD CT 06141 SIMS
MAILING ADDRESS PO BOX 1001 MIDDLETOWN CT 06457 NPDES
OWNER 157 CHURCH ST NEW HAVEN CT 06510-2104 SIMS
OWNER 1221 NICOLLET AVE MINNEAPOLIS MN 55403-2445 SIMS
FACILITY MAILING ADDRESS PO BOX 1001 MIDDLETOWN CT 06457 AIRS/AFS
GENERAL CONTACT PO BOX 1001 MIDDLETOWN CT 06457-1001 SIMS
OWNER PO BOX 1001 MIDDLETOWN CT 06457-1001 SIMS
OWNER 1866 RIVER RD MIDDLETOWN CT 06457 RCRAINFO
PRIMARY FACILITY SITE CONTACT 74 LATHROP RD. UNCASVILLE CT 06382 CAMDBS
REGULATORY CONTACT 74 LATHROP RD UNCASVILLE CT 06382 CAMDBS
FACILITY MAILING ADDRESS 1866 RIVER RD MIDDLETOWN CT 06457 RCRAINFO
REGULATORY CONTACT PO BOX 1001 MIDDLETOWN CT 06457 NPDES
PERMIT CONTACT PO BOX 1001 MIDDLETOWN CT 06457 CAMDBS
OWNER 1866 RIVER ROAD MIDDLETOWN CT 06457 NPDES

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
UNKNOWN CONTACT
JEFF ARAUJO
5085092476
CAMDBS
View
PERMIT CONTACT
ROBERT SPOONER
8606383102
CAMDBS
View
UNKNOWN CONTACT
NICHOLAS VOLTURNO
7173570340
CAMDBS
View
PERMIT CONTACT
NICHOLAS VOLTURNO
7173570340
CAMDBS
View
GENERAL CONTACT
MIDDLETOWN POWER LLC
5085092476
SIMS
View
PRIMARY FACILITY SITE CONTACT
JEFF ARAUJO
5085092476
CAMDBS
View
UNKNOWN CONTACT
ROBERT SPOONER
8606383102
CAMDBS
View
RESPONSIBLE PARTY
MAUREEN DWYER
8603469639
CAMDBS


REGULATORY CONTACT
JOHN D DEGIROLAMO
8604243957
CAMDBS
View
PERMIT CONTACT
JEFF ARAUJO
5085092476
CAMDBS
View
REGULATORY CONTACT
JEFF ARAUJO
5085092476
CAMDBS
View
UNKNOWN CONTACT
JARED MILLAY
8604185911
CAMDBS
View
REGULATORY CONTACT
NICHOLAS VOLTURNO
7173570340
CAMDBS
View
PUBLIC CONTACT
DAVE SCHRADER
2672955768
TRIS


UNKNOWN CONTACT
DON GUZZETTA
2037836202
CAMDBS
View
UNKNOWN CONTACT
JOHN D DEGIROLAMO
8604243957
CAMDBS
View
PRIMARY FACILITY SITE CONTACT
CARSON LEIKAM
7166736395
CAMDBS
View
REGULATORY CONTACT
ROBERT SPOONER
8606383102
CAMDBS
View
UNKNOWN CONTACT
JEFFREY ARAUJO
8606383102
NPDES


Query executed on: OCT-14-2025


Additional information for CERCLIS or TRI sites:

This information resource is not maintained, managed, or owned by the Environmental Protection Agency (EPA) or the Envirofacts Support Team. Neither the EPA nor the Envirofacts Support Team is responsible for their content or site operation. The Envirofacts Warehouse provides this reference only as a convenience to our Internet users.

  • National Library of Medicine (NLM) TOXMAP