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Nebraska Public Power District
907 West 25th Street
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Class II Operating Permit
November 18, 2020
December 18, 2020


Nebraska Department of Environment and Energy
Air Quality Division

Notice is given to the public, according to Chapter 14 of Title 129 - Nebraska Air Quality Regulations, that the Department is proposing to issue a Class II operating permit to Nebraska Public Power District (FID #62420) for one (1) 1,000 kilowatt (kW) mobile generator (Standard Industrial Classification code 4911) whose base location is 907 West 25th Street, York, Nebraska. The potential emissions of regulated air pollutants (in tons per year (tpy)) at this facility will be: 3.09 tpy of Particulate Matter (PM), 1.48 tpy of PM ≤ 10 microns (PM10), 1.53 tpy PM ≤ 2.5 microns (PM2.5), 77.35 tpy Sulfur Dioxide, 2.78 tpy Oxides of Nitrogen, 26.30 tpy Carbon Monoxide, 99.00 tpy Volatile Organic Compounds, 0.09 tpy of Propylene (largest quantity individual Hazardous Air Pollutant (HAP), 0.14 tpy total HAPs, and 5,098.80 tpy Greenhouse Gases CO2 equivalents (CO2e).

All Counties in Nebraska meet the National Ambient Air Quality Standards (NAAQS) for those pollutants subject to a NAAQS and are expected to continue in that status. There are no Counties classified as being in non-attainment with the State Total Reduced Sulfur (TRS) standards and no TRS emissions are expected from this project. No impact is anticipated on habitat for any rare or threatened species.

The NDEE proposes to issue a Class II operating permit with specific conditions, based on Title 129, which limits emissions of NOx to less than 99 tpy; requires notification if emissions exceed 75 tpy; requires notification of relocation; requires the mobile generator to only be connected to a distribution system for testing, emergency, and non-routine power generation; and requires recordkeeping and reporting.

The proposed permit and supporting materials are available for inspection by the public November 18, 2020 through December 21, 2020 at the office of the NDEE, Suite 400, 1200 "N" Street, Lincoln, Nebraska, and electronically at Comments received during this period will be considered prior to the final decision. During this period the applicant, or any interested person or group of persons, may request or petition the Director for a public hearing, the request must state the nature of the issues to be raised and all arguments and factual grounds supporting their position. If a public hearing is granted by the Director, the hearing will be advertised by public notice at least 30 days prior to the hearing.

Inquiries may be made at (402) 471-2186 or . Individuals requiring special accommodations or alternate formats of materials should notify the NDEE by calling (402) 471-2186. TDD users should call (800) 833-7352 and ask the relay operator to call the NDEE at (402) 471-2186. For further information, to submit comments, or request a hearing you may contact the NDEE by email “” or by mail submitted to the attention of David Christensen, Air Quality Division, P.O. Box 98922, Lincoln, Nebraska 68509-8922.