Question and Answer to Steam Power Plant and Power Generation Plants for steam boilers, turbine generator and heating on /

Welcome to the steam and power forum's jurisdictional section. Purpose is to be able to readily lookup jurisdictional stationary engineers requirements in Canada and the the Canadain Providences as well as the United States of America and the States and Cities. If corrections are needed please Email Us. We will be adding other countries in 2013.
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Illnois Operating Engineers License

No State Jurisdictional Boiler & Refrigeration Operator's License Law at this time.

City of Chicago

Chicago Department of Buildings
Bureau of Licensing & Registration
120 N. Racine Ave.
Chicago, IL 60607

Contact the Department of Buildings Licensing and Registration at (312) 743-9061.

The City of Chicago has 1 license level (one size fits all license):

  • Chicago Stationary Engineer

To qualify for a City of Chicago Stationary Engineer's license exam the following must be submitted.

  1. Must be 21 years of age
  2. Letter of recommendation to include on a letter (on company stationary) from their current or former employer’s “chief stationary engineer” vouching for the applicant. Include the chief engineer’s license number.
  3. The letter must verify the dates of employment
  4. Letter needs to include equipment’s steam output per hour, operating pressure, heating surface and maximum allowable work pressure shall be identified, and recite the applicant’s duties and responsibilities.
  5. Must have a minimum of two years’ experience in operation of high pressure boilers.



Decatur Board of Examiners, Steam Engineers
Decatur, IL 60602

At this time this License law may no longer be Active.
Information was not clear when obtained.

The City of Decatur has 2 licensing levels:

  1. Decatur 1st Grade Engineer
  2. Decatur 2nd Grade Engineer

East Saint Louis

East Saint Louis City Hall, Boiler Inspector
East St Louis, IL 66201

At this time this License law may no longer be active. Information was not clear when obtained.



Elgin City Hall
150 Dexter Court
Elgin, IL 60120-5650

The City of Elgin has 2 licensing levels:

  1. Elgin Stationary Engineer
  2. Elgin Boiler Fireman

City of Evanston, IL

Strangly the Evanston Municipal Code no longer addresses licensing and was refered to the Fire Chief (Title 4-3), and does not in any way address licensing for STATIONARY ENGINEERS, BOILER OR WATER TENDERS in it code or statute.

However, the City Manager has instructed the Evanston Building & Zoning Department at 555 Lincoln Street, Evanston, IL 60201to give a STATIONARY ENGINEERS, BOILER OR WATER TENDERS examination to applicants for a license as stationary operating engineers or boiler and water tenders and references the Evanston, Illinois - Code of Ordinances: Title 4-3.

I get the impression they will accept recprocal licensure and you will need to contact Dave Stoneback, Director of Utilities or Dennis Marino, Assistant Director, Planning and Zoning at Building and Zoning Division - 847-866-2932



Peoria City Hall
419 Fulton
Peoria, IL 61602

Local residency is not required to apply for a license. Licenses from other jurisdictions recognized for experience.

The City of Peoria has 3 licensing levels:

  1. Peoria 1st Class Stationary Engineer
  2. Peoria 2nd Class Stationary Engineer
  3. Peoria Boiler Tender


Industrial Training School

Stationary High-Pressure Steam Engineer is an operating engineer that is licensed though competency by examinations for grades third through chief.  In the USA alone there are 100s of thousands of high pressure boilers alone in manufacturing or district heating, institutions, medical centers, public sector and with the vast majority in the private sector.

Chief Engineer of a stationary high-pressure steam plant has a leadership position and needs to command the steam plant operation economically and safety.

A 3rd Class Engineer in a stationary high-pressure steam engineer is a watch engineer.  This is also an entry level into Stationary High-Pressure Steam Engineering licensing too.  To be a candidate for a  3rd class is possible by going through an accredited learning program at a School or College or transition from LP Boiler Operator's license.  A more traditional path to 3rd Class stationary high-pressure engineers license is by experience.


Gas Turbine Operating Engineers are in demand for gas fired peaking power plants.  Gas turbines or combustion turbines as they are also called as well as simple cycle.

These gas turbines can be brought on-line producing 100s of MW in minutes when a wind-farm looses its wind or a cloud shades a photovoltic region.  So, this is especially important with more and more usage of photovoltic and wind power generators that cannot power a manufacturing base of a country or a large population since they are dependent on weather and more importantly solar activities.  Therefore, being a gas turbine 3rd Class, 2nd Class or 1st Class Gas Turbine Engineer is important to off-set the loss of base load fossil fuel power stations to meet the demand of the electric power grids.

Gas turbines come is three difference or basic catagories:  Large frame combustion turbines, large aero-derivative gas turbines, and micro-turbines.  Areo-derivative gas turbines are uses as a rule for peaking power stations.


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