NEARLY 7 MILLION TONS of coal mined annually.

of power.


families with electricity every day.


in economic activity contributed annually.

invested in the Best Available Control Technology (BACT).


PSEC is setting the standard for clean energy production.

Contact Us

contact information & Community Questions

The Prairie State Corporate Office is located at 3872 County Highway 12, Marissa, IL 62257.

Prairie State  values its neighbors and community. If you have any questions about PSEC regarding tours, local concerns or any other public relations issues, please contact us at 618-824-7600.

To contact a Prairie State employee by email, use the following convention:

(firstinitial)(lastname)@psgc-llc.com           Example: jdoe@psgc-llc.com

Human Resources

Our employees are our most valued resource. If you are interested in working for Prairie State, please visit the CAREERS tab on this website to view our current, available positions. If you have interviewed with PSEC and are curious about the status of your interview or next steps, please contact the human resources representative with whom you interviewed.

For general human resource questions, including verification of employment, please leave a message at 618-824-7555. A human resource representative will get back to you as soon as possible. If you would prefer to send an email, please send one to hrquestions@psgc-llc.com.

Media Inquiries

If you are a member of the media, please contact Alyssa Harre, Manager of Public Relations and Government Affairs, at aharre@psgc-llc.com or 618-824-7667.