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The U.S. Department of Energy and the North Carolina Clean Energy Technology Center are excited to announce that a new, modernized DSIRE is under construction. The new version of DSIRE will offer significant improvements over the current version, including expanded data accessibility and an array of new tools for site users. The new DSIRE site will be available in December 2014. Staff are currently working hard on the new version of DSIRE but are also maintaining the content of the current version of DSIRE. Thank you for your continued support and patience during this transition. We hope you are as excited for December as we are!

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Incentives/Policies for Renewables & Efficiency

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Solar Renewable Energy Credits   

Last DSIRE Review: 10/10/2014
Program Overview:
State: Illinois
Incentive Type: Performance-Based Incentive
Eligible Renewable/Other Technologies: Photovoltaics
Applicable Sectors: Commercial, Residential, Nonprofit, Local Government, Construction, State Government, Fed. Government, Agricultural
Amount:Negotiated with procurement administrators
Maximum Incentive:Benchmarks set by procurement administrators
Web Site:
Authority 1:
Date Effective:
§ 220 ILCS 5/16-115D
Authority 2:
Date Enacted:
Date Effective:
§ 20 ILCS 3855/1-75
Authority 3:
Date Enacted:
S.B. 1652

In August 2007, Illinois enacted legislation (Public Act 095-0481) that created the Illinois Power Agency (IPA). The agency’s purpose is to develop electricity procurement plans for investor-owned electric utilities (EUs) supplying over 100,000 Illinois customers to ensure “adequate, reliable, affordable, efficient, and environmentally sustainable electric service at the lowest total cost.” The only EUs that meet these criteria and are therefore subject to the IPA procurement process are Commonwealth Edison (ComEd) and the Ameren Corporation companies (AmerenCILCO, AmerenIPL, and AmerenCIPCO).

The IPA plans and administers the competitive procurement processes that result in bilateral agreements between the utilities and wholesale electric suppliers. The procurement plans must include procurement of cost-effective renewable energy resources per the Renewable Portfolio Standard (RPS) requirements, outlined here. The RPS includes a solar requirement to be met with solar renewable energy credits (SRECs) with benchmarks beginning in Energy Year June 2012-May 2013. Each SREC represents the environmental attributes associated with 1 megawatt-hour of energy produced from solar energy.  Selected suppliers are required to utilize either the PJM-EIS-GATS, M-RETS, or NARR tracking system.

In October 2011, the legislature passed S.B. 1652, which requires the IPA to conduct a procurement event for the acquisition of renewable energy credits (RECs) for the period of June 1, 2013 to December 31, 2017. This procurement process will take place throughout calendar year 2012. If needed, future procurement processes will be administered  through the program administrators.


The procurement process for Ameren is administered by Levitan and Associates here. REC bids for 2012 were due in May 2012. Ameren is seeking SRECs per the schedule outlined below.

Procurement Period Photovoltaic Target (# of SRECs)
June 1, 2013 - May 31, 2014 13,612
June 1, 2014 - May 31, 2015 27,332
June 1, 2015 - May 31, 2016 57,100
June 1, 2016 - May 31, 2017 58,326
June 1, 2017 - December 31, 2017 34,264

SRECs must be generated during the same time period as the procurement. More information, including application materials, is available on the Levitan and Associates web site.


For ComEd, the procurement process is administered by NERA Economic Consulting. Applications for the 2012 procurement event were in February, 2012, and bidding took place in May 2012.

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Disclaimer: The information presented on the DSIRE web site provides an unofficial overview of financial incentives and other policies. It does not constitute professional tax advice or other professional financial guidance, and it should not be used as the only source of information when making purchasing decisions, investment decisions or tax decisions, or when executing other binding agreements. Please refer to the individual contact provided below each summary to verify that a specific financial incentive or other policy applies to your project.

While the DSIRE staff strives to provide the best information possible, the DSIRE staff, the N.C. Solar Center, N.C. State University and the Interstate Renewable Energy Council, Inc. make no representations or warranties, either express or implied, concerning the accuracy, completeness, reliability or suitability of the information. The DSIRE staff, the N.C. Solar Center, N.C. State University and the Interstate Renewable Energy Council, Inc. disclaim all liability of any kind arising out of your use or misuse of the information contained or referenced on DSIRE Web pages.

Copyright 2014 - 2015 North Carolina State University, under NREL Subcontract No. XEU-0-99515-01. Permission granted only for personal or educational use, or for use by or on behalf of the U.S. government. North Carolina State University prohibits the unauthorized display, reproduction, sale, and/or distribution of all or portions of the content of the Database of State Incentives for Renewables and Efficiency (DSIRE) without prior, written consent.