Permit Tracking

Facility Information for 371000740 GENERAC POWER SYSTEMS INC -OSHKOSH FACILITY

Location Address
3815 Oregon St Oshkosh WI 549027100	Start Date: End Date:
Primary Activity:

Site Description:
Generac Power Systems, Inc. (Generac) is a manufacturer of electric engines and generators. The generators produced are large commercial backup units that vary in size. The facility houses manufacturing operations along with administrative offices and research laboratories. The facility is located in the Oshkosh Aviation Industrial Park, Oshkosh, Winnebago County, Wisconsin. The 22.6-acre property is bounded by the Ripple Road on the south followed by agricultural and residential property. Wittman Airport and a mixture of commercial and residential property is to the north and west. The east property boundary is Oregon Street followed by a mix of agricultural and residential areas.

Major Under PSD: ☐

Major Under Part 70: ☑

Major NAA: ☐

Monitoring with CEMS: ☐

Major for Federal Haps: ☐

Synthetic Minor Under Title V: ☐

Natural Minor: ☐

Exempt from Permiting: ☐

Private Coal EGU: ☐

Portable: ☐

SIC

NAICS

Facility Contacts

Role	Name	Title	Email	Phone #
Library	Oshkosh Public Library
Facility Air Management Contact	Bill Pearce	Environmental Manager	bill.pearce@generac.com	7135380199
Facility Air Permit Contact	Bill Pearce	Environmental Manager	bill.pearce@generac.com	7135380199
Facility Billing Contact	Josh Fenner	Director of Operations	josh.fenner@generac.com	9208087342
Responsible Corporate Official	Josh Fenner	Director of Operations	josh.fenner@generac.com	9208087342

DNR Air Contacts

Role	Person	Title	Email	Phone #
DNR Compliance Engineer	Ryan Bergh	Air Management Engineer-Adv	Ryan.Bergh@wisconsin.gov	2628889866
DNR Facility Supervisor	Randall Matty	Envir Engineer Supervisor	Randall.Matty@wisconsin.gov	9204920126
Air Stack Tester	Quin Kovar	AIR MANAGEMENT ENGINEER-ADV	quin.kovar@wisconsin.gov	6086300429

Permits and Permit Applications

Show Inactive Permits

	Permit #	Type	App Received	App. Comp.	Public Notice	Decision*	Status	Permit Writer
Select	371000740-P04	FOP	03/12/2020	04/01/2020			Requested	-1
Select	371000740-P03	FOP	03/25/2019	04/14/2019	07/19/2019	10/21/2019	Active	Goonewardena, Ruhun S
Select	20-POY-027-EXM	Construction	04/06/2020			04/14/2020	Active	Yeung, Paul O
Select	24-DMM-100-EXM	Construction	05/28/2024			08/15/2024	Active	Minkey, David M
Select	37100074A-P08	FOP	05/28/2024	06/17/2024			Requested	-1
Select	37100074A-P11	FOP	08/14/2025	09/03/2025			Requested	-1
Select	25-EXM-082	Construction	08/20/2025				Requested	Effiong, Edwards-Sawyer T
Select	37100074A-P06	FOP	09/07/2021	09/27/2021			Requested	-1
Select	21-NCW-160-EXM	Actuals NSR Exemption	09/14/2021			09/20/2021	Active	WARD, NATHAN C
Select	37100074A-P07	FOP	11/09/2021	11/29/2021			Requested	-1
Select	21-RSG-197	Construction	11/22/2021	02/21/2022	03/07/2022	04/13/2022	Active	Goonewardena, Ruhun S
Select	24-MIN-265	Construction	12/06/2024	12/26/2024	06/16/2025	07/17/2025	Active	Munson, Jordan A
Select	37100074A-P09	FOP	12/06/2024	12/26/2024			Requested	-1
Select	37100074A-P05	FOP	12/21/2020	01/10/2021			Requested	-1
Select	37100074A-P10	FOP	12/30/2020	01/19/2021			Requested	STOHL, MARK C
Select	371000740-CONFID2016	Confidentiality Request				09/15/2016	Active	CHU, YU-LIEN

*Note: “Decision” could mean permit issuance date, permit denial date, registration or general permit coverage granted date, exemption approval date, consent order issuance date, or administrative order issuance date. If “X” is shown here (instead of a date), it means the Department acknowledged the notice of intent to construct and/or operate certain air emission unit(s) but the Department does not intend to evaluate the exemption claim. Please click “Select” next to the permit # for details on the submittal and decision documents.

Select a Permit to see related Documents and Milestones.

Emission Inventory Reports

	FILE NAME:
Dwnld	371000740_Emissions_Inventory_summary_report_2025_2026-03-14.pdf
Dwnld	371000740_Emissions_Inventory_Summary_Report_2024_20250224.pdf
Dwnld	2023_EmissionSummaryFinal.pdf
Dwnld	2022_EmissionSummaryFinal.pdf
Dwnld	2021_EmissionSummaryFinal.pdf
Dwnld	2020_EmissionSummaryFinal.pdf
Dwnld	2018_EmissionSummaryFinalConf.pdf
Dwnld	2015_EmissionSummaryFinal.pdf
Dwnld	2014_EmissionSummaryFinal.pdf
Dwnld	2007_EmissionSummaryFinal.PDF
Dwnld	2008_EmissionSummaryFinal.pdf
Dwnld	2006_EmissionSummaryFinal.PDF
Dwnld	2005_EmissionSummaryFinal.PDF
Dwnld	2004_EmissionSummaryFinal.PDF

Industrial Monitoring Data

NO RECORDS FOUND