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Pre-Qualified Professional Consulting Services List

Utilities may request additional information submitted by the prequalified parties listed below by contacting the IPA and requesting such materials at: IPA.MuniCoopIRP@Illinois.gov.

Last updated August 27, 2026

 

• 1898 & Co.

• 5 Lakes Energy LLC

• ACES

• Ascend Analytics, Inc. 

• Black & Veatch

• Brattle Group

• Customized Energy Solutions, Ltd. 

• Charles River Associates

• Energy and Environment Economics (E3)

• GDS Associates, Inc. 

• ICF Resources L.L.C

• Leidos

• nFront Consulting

• Polar Consulting

• Power-tek USA LLC

• Scoville Analytics

• Sylvan Energy Analytics

• Synapse Energy Economics, Inc. 

• The Energy Authority, Inc