FRS Facility Detail Report


BLACK HILLS WYGEN I STATION

EPA Registry Id: 110041417829
13151 HWY 51
GILLETTE, WY 82718


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:
EMISSIONS & GENERATION RESOURCE INTEGRATED DATABASE
WYGEN I 55479 ELECTRIC POWER GENERATOR (COAL BASED) EGRID 02/24/2020
ICIS-AIR (AIR)
WYGEN STATION I POWER PLANT (BLACK HILLS WYOMING) WY0000005600500146 AIR MAJOR ICIS 01/13/2015
ENERGY INFORMATION ADMINISTRATION-860 (EIA-860) DATABASE
WYGEN 1 55479 ELECTRIC GENERATOR EIA-860 10/06/2020
EMISSION INVENTORY SYSTEM (EIS)
WYGEN STATION I 12810911 CRITERIA AIR POLLUTANT MAJOR EIS 08/17/2024
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
NEIL SIMPSON I & II; NEIL SIMPSON II COMBUSTION TURBINES I & II; WYGEN I, II, & WYR000663 ICIS-NPDES NON-MAJOR ICIS 05/16/2024 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
NEIL SIMPSON I & II; NEIL SIMPSON II COMBUSTION TURBINES I & II; WYGEN I, II, & WYR000663 STORM WATER INDUSTRIAL ICIS 05/16/2024 ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
RISK MANAGEMENT PLAN
NEIL SIMPSON COMPLEX WYGEN 1, WYGEN 2 100000180993 RMP REPORTER RMP

WYOMING DEPARTMENT OF ENVIRONMENTAL QUALITY
WYGEN III 155300 STATE MASTER WDEQ

CLEAN AIR MARKETS DIVISION (CAMD) BUSINESS SYSTEMS
WYGEN I 55479 AIR PROGRAM CAMDBS 10/22/2009
RACT/BACT/LAER CLEARINGHOUSE
WYGEN, INC. - WYGEN UNIT ONE 4216 AIR MAJOR RBLC

COMPLIANCE AND EMISSIONS DATA REPORTING INTERFACE
WYGEN I CEDRI10004218 COMPLIANCE AND EMISSIONS REPORTING CEDRI 01/29/2024
AIR FACILITY SYSTEM
BLACK HILLS WYOMING -WYGEN I POWER PLANT 5600500146 AIR MAJOR (OPERATING) AIRS/AFS 07/18/2014

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
NPDES
4911
ELECTRIC SERVICES

RBLC
3274
LIME

CAMDBS
4911
ELECTRIC SERVICES

Facility Codes and Flags

EPA Region: 08
Duns Number: 7920333
Congressional District Number: 01
Legislative District Number:
HUC Code/Watershed: 10120201 / UPPER BELLE FOURCHE
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
WYGEN STATION I EIS
WYGEN, INC. - WYGEN UNIT ONE RBLC
WYGEN 2 EIA-860
WYGEN 3 EIA-860
BLACK HILLS WYGEN STATION MANUAL ENTRY
NEIL SIMPSON I & IINEIL SIMPSON II COMBUSTION TURBINES I & IIWYGEN I, II, & NPDES
NEIL SIMPSON COMPLEX WYGEN 1, WYGEN 2, WYGEN 3 RMP REPORTING FORM
WYGEN CAMDBS
WYGEN 1 EIS
WYGEN STATION I POWER PLANT (BLACK HILLS WYOMING) AIR
WYGEN II/III STORMWATER IMPROVEMENT PROJECT FRS
BLACK HILLS WYOMING -WYGEN I POWER PLANT AIRS/AFS

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
OWNER/OPERATOR
BLACK HILLS POWER, INC.
EIA-860
View
OPERATOR
BLACK HILLS POWER, INC. D/B/A
EIA-860
View
OPERATOR
BLACK HILLS POWER, INC. D/B/A
EGRID


PARENT COMPANY
BLACK HILLS WYOMING LLC
EIS


PARENT COMPANY
BLACK HILLS POWER, INC.
EGRID


OWNER/OPERATOR
BLACK HILLS POWER INC
EIA-860
View
OPERATOR
BLACK HILLS POWER, INC. 7920333
CAMDBS


TRANSMISSION OR DISTRIBUTION SYSTEM OWNER
BLACK HILLS POWER, INC.
EIA-860
View
OWNER
BLACK HILLS WYOMING LLC
CAMDBS


PREPARER
TETRA TECH
RMP
View
OWNER/OPERATOR
BLACK HILLS POWER, INC.
RMP


OWNER/OPERATOR
BLACK HILLS POWER INC
EIA-860
View
PARENT COMPANY 1
BLACK HILLS POWER, INC.
RMP


National Industry Classification System Codes (NAICS)

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

RMP 221112 FOSSIL FUEL ELECTRIC POWER GENERATION.
RMP 221119 OTHER ELECTRIC POWER GENERATION.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
PERMIT CONTACT PO BOX 1400 RAPID CITY SD 577091400 CAMDBS
PREPARER 4900 PEARL EAST CIRCLE BOULDER CO 803016118 RMP
UNKNOWN CONTACT 5160 PARFET STREET WHEAT RIDGE CO 80033 CAMDBS
REGULATORY CONTACT PO BOX 1400 RAPID CITY SD 577091400 CAMDBS
UNKNOWN CONTACT 625 NINTH STREET RAPID CITY SD 57701 CAMDBS
OPERATOR 7001 MT. RUSHMORE ROAD RAPID CITY SD EIA-860
PERMIT CONTACT 625 9TH STREET RAPID CITY SD 57702 CAMDBS
OWNER/OPERATOR 7001 MT. RUSHMORE ROAD RAPID CITY SD EIA-860
TRANSMISSION OR DISTRIBUTION SYSTEM OWNER 7001 MT. RUSHMORE ROAD RAPID CITY SD EIA-860
OWNER/OPERATOR RAPID CITY SD 577010000 EIA-860
UNKNOWN CONTACT PO BOX 1400 RAPID CITY SD 577091400 CAMDBS
PRIMARY FACILITY SITE CONTACT 625 9TH STREET RAPID CITY SD 57701 CAMDBS
UNKNOWN CONTACT 625 9TH STREET RAPID CITY SD 57702 CAMDBS
REGULATORY CONTACT AIR QUALITY DIVISION CHEYENNE WY 82002 CAMDBS
REGULATORY CONTACT 625 9TH STREET RAPID CITY SD 57702 CAMDBS

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
UNKNOWN CONTACT
GEORGE TATAR
6057211890
CAMDBS
View
REGULATORY CONTACT
STEVE D FINLEY
6057212249
CAMDBS
View
PERMIT CONTACT
STEVE D FINLEY
6057212249
CAMDBS
View
REGULATORY CONTACT
TIM MORDHORST
6057212181
CAMDBS
View
UNKNOWN CONTACT
MATTHEW PARKS
3034953936
CAMDBS
View
REGULATORY CONTACT
MARK GAGEN
3077777351
CAMDBS
View
UNKNOWN CONTACT
STEVE D FINLEY
6057212249
CAMDBS
View
PERMIT CONTACT
TIM MORDHORST
6057212181
CAMDBS
View
PRIMARY FACILITY SITE CONTACT
MARK LUX
6057211217
CAMDBS
View
UNKNOWN CONTACT
TIM MORDHORST
6057212181
CAMDBS
View

Query executed on: OCT-15-2025