Approved Vendor Requirements and Registration 

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The Illinois Solar for All Approved Vendor registration process can be initiated from this page. Before beginning the registration process, the applicant should download and read the Approved Vendor Manual, which provides guidance on the scope of the program and the requirements necessary to complete this registration process. It is highly recommended that the process outlined below be followed by all applicants.


  1. Download and read the manual
  2. Register with the Adjustable Block Program (if applicable)
  3. Prepare your responses
  4. Submit responses
  5. Sign attestations (e-signature)
  6. Program Administrator evaluation
  7. Assessment and revisions as needed
  8. Program Administrator will attempt to return an approval determination within 14 business days

This registration form requires the completion of a series of questions that differs based on the Approved Vendor type selected by the applicant. Applicants will be able to upload supporting documents at the end of the questionnaire. Applicants will have the ability to save work and return to the form at a later date. All applicants will be required to e-sign terms and conditions specific to their Approved Vendor type as part of this process. If applicants have questions about this process or technical issues with this site, please refer to the Approved Vendor Manual or contact the Program Administrator at vendors@Illinoissfa.com.

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Note: Red Asterisks represent required fields.



Address of Principal place of business





Contact information for primary point of contact





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Section A: Registration Type





Section B: Pre-Requisite: Adjustable Block Program Qualification


Section C: Project Types and Communities



Applicants can choose to submit a completed application in response to all questions in a separate document. The form templates below should be completed according to the Approved Vendor registration type. Please download and read the ILSFA Approved Vendor manual for definitions of Approved Vendor types, as well as detailed instructions for completing this registration form.  










Section D: Designee Vetting & Program Requirements






Section D: Community Engagement Plan

9. Describe your plans for community involvement. In your narrative please include:





Section E: Community Solar







Section F: Job Training Requirements





Section G: Consumer Protections














Applicants can upload supporting documentation below. Please select “Choose File” below and select the file you wish to upload. Additional files can be uploaded by selecting the ‘Upload an additional document’ below. Please clearly label all document titles to reflect the content of what is being submitted. Once all desired files are uploaded, moving to the Next Page will allow you to continue to the Attestations page to complete the registration process.


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a) I am the owner (for sole proprietorship), partner (for partnership), or the authorized agent (for corporation, LLC, or non-profit) of the applicant organization.

b) The information provided on this form is true and correct to the best of my knowledge.

c) I agree to participate in registration and any initial or recurrent required training.

d) I agree to abide by the ongoing Program terms and conditions.

e) I agree to maintain registration to do business in Illinois.

f) I agree to provide updated information to the Administrator on any complaints, lawsuits, legal or regulatory action, bankruptcy, or any other material adverse changes in business condition when it becomes available.

g) I agree to provide samples of marketing materials or content used by our company, or our subcontractors/installers, affiliates, or designees to the Program Administrator for review upon initial registration approval. In addition, I will provide copies of any marketing materials related to the sale, financing, or installation of solar photovoltaic systems that will apply to participate in the Illinois Solar for All Program, or related to the Illinois Solar for All Program itself, whenever requested by the IPA or Program Administrator. I furthermore agree to make changes to marketing materials requested by the Illinois Power Agency or Program Administrator in their efforts to ensure that such materials are not deceptive, confusing, or misleading and to further ensure that such materials do not feature misrepresentations about our relationship to the Illinois Power Agency or the Illinois Solar for All Program.

h) I agree to comply with all consumer protection guidelines published by the Program Administrator and acknowledge that a failure to do so may jeopardize my ability to participate in the program.

i) I agree to provide and maintain credit and collateral requirements pursuant to Section 6.16.1 of the Long-Term Renewable Resources Procurement Plan.

j) I agree to complete annual reports by the report deadline, disclosing names and other information on installers and projects, and documenting that all installers and other subcontractors comply with applicable local, state, and federal laws and regulations, including Illinois Commerce Commission registration as Distributed Generation Installers, providing current status of unfinished projects and credits generated and delivered by completed projects, and any other annual report requirements as determined by the Administrator.

k) I agree to comply with all community solar subscriber reporting requirements including providing updated and accurate subscriber data.

l) I agree to provide company financial statements and/or project references upon request of the Program Administrator.

m) I will comply with all other Program rules and Administrator requests.

n) If any requirements are implemented by the Illinois Power Agency or Program Administrator that I am unable to comply with, I agree to immediately request to withdraw my qualification to act as an Approved Vendor, or Approved Vendor Aggregator for any projects not already under contract with the utilities or the IPA and cease all new Approved Vendor activities.

o) I agree to maintain my active status as an Adjustable Block Program Approved Vendor. Failure to do so or disqualification from that program for any reason will result in immediate removal from the Illinois Solar for All Program.

p) I agree that any registration, project submittal, and project performance data and information (including any quarterly or annual reports) may be shared between the Illinois Power Agency, the program administrators for the Illinois Solar for All Program and the Adjustable Block Program, the Illinois Commerce Commission, and, where applicable, Commonwealth Edison, Ameren Illinois, and MidAmerican Energy Company.  To the extent these submittals contain information I deem confidential, proprietary, or privileged information that could cause competitive harm if disclosed to a third party or made publicly available, I will endeavor to designate them as such when furnished to the Program Administrator. 

q) I agree that once project submittals have satisfactorily met all Illinois Solar for All requirements, the Program Administrator will share project data with the Adjustable Block Program administrator. The ABP Administrator will then facilitate the execution of the REC contract or confirmation with the Approved Vendor and counterparty (Illinois Power Agency or utility), subject to approval by the Illinois Commerce Commission.

r) I understand the Illinois Solar for All program goal to utilize 25% of incentives for projects sited in environmental justice communities and will strive to site, market, and acquire customers in these areas in accordance with this goal.

s) I will identify and include community organizations and local partners in planning, outreach, and project development phases for Illinois Solar for All projects where possible and according to specific requirements for ILSFA community solar projects.

t) I have read and understand the Site Suitability Guide and will incorporate the guidelines therein into all ILSFA site assessments and business practices.

u) I have read the Program Resources Guide and will, to the best of my ability, help direct prospective ILSFA participants to relevant improvement, financing, energy efficiency, and healthy home resources identified in the Program Resources Guide.

v) I agree that all contracts for ILSFA projects presented to customers/program participants will meet the minimum savings requirements, defined as: Any payments made by program participants must be, on an annual basis, less than 50% of the annual first year estimated production and/or utility default service net metering value to be received by the customer. The exception being for multifamily buildings where tenants do not pay for electricity bills directly.
Annual Customer Payment ÷ 1st Year Net Metering Value ≤ 0.5.

w) I agree to provide documentation that ensures owners of multifamily buildings in the distributed generation program where tenants do not pay for electricity directly demonstrate that the value of the energy savings from net metering is passed to tenants through reduced (or not raised) rents, or by other means. 

x) I agree that any contract presented to customers/program participants will include no up-front costs.

y) I agree to use standardized, automatically generated disclosures, which will be presented to each Distributed Generation customer at least seven days before consummation of the transaction and will include the right to cancel the transaction within seven business days after consummation.

z) I agree that financing amounts, terms, and conditions must be based on an assessment of the program participant’s ability to repay the debt, as defined by Regulation Z, which is a federal rule that implements aspects of the Truth in Lending Act and the Dodd‐Frank Act.

aa) I agree that for qualified low‐income customers, loans should not be secured by the program participant’s home or home equity. While such unsecured loans may entail a higher interest rate, especially for customers with low credit scores or little credit history, they avoid the risk of liens and foreclosures for customers who default on their loans.

bb) I agree that customer contracts may not include prepayment penalties.

cc) I agree that marketing and contractual materials must be in the language requested by the customer and it is the responsibility of the Approved Vendor to produce those translated materials.

dd) I agree to use qualified job trainees on ILSFA projects to meet all annual requirements across all ILSFA projects and specific requirements for each Distributed Generation project. For low-income distributed generation projects, this means using at least one qualified job trainee on 33% of projects. Across the entire portfolio of ILSFA projects, this means a commitment to using job trainees to complete 10% of installation hours in year one of program participation, 20% of installation hours in year two of program participation, and 33% of installation hours in year three of program participation. 

ee) I agree to the income eligibility guidelines and verification procedures outlined in the Illinois Solar for All Vendor Manual and accept that it is the Approved Vendor’s responsibility to provide all necessary information and data to meet and verify these requirements according to these guidelines. I will ensure that all personally identifiable information is protected and that all potential customers/program participants undergoing income verification will be treated according to established Illinois Solar for All procedures and with respect, courtesy, and professionalism.

ff) I agree to ensure access to all solar installations for random on-site inspections by the Program Administrator and its subcontractors.


a) I am the owner (for sole proprietorship), partner (for partnership), or the authorized agent (for corporation, LLC, or non-profit) of the applicant organization.

b) The information provided on this form is true and correct to the best of my knowledge.

c) I agree to participate in registration and any initial or recurrent required training.

d) I agree to abide by the ongoing Program terms and conditions.

e) I agree to maintain registration to do business in Illinois.

f) I agree to provide updated information to the Administrator on any complaints, lawsuits, legal or regulatory action, bankruptcy, or any other material adverse changes in business condition when it becomes available.

g) I agree to provide samples of marketing materials or content used by our company, or our subcontractors/installers, affiliates, or designees to the Program Administrator for review upon initial registration approval. In addition, I will provide copies of any marketing materials related to the sale, financing, or installation of solar photovoltaic systems that will apply to participate in the Illinois Solar for All Program, or related to the Illinois Solar for All Program itself, whenever requested by the IPA or Program Administrator. I furthermore agree to make changes to marketing materials requested by the Illinois Power Agency or Program Administrator in their efforts to ensure that such materials are not deceptive, confusing, or misleading and to further ensure that such materials do not feature misrepresentations about our relationship to the Illinois Power Agency or the Illinois Solar for All Program.

h) I agree to comply with all consumer protection guidelines published by the Program Administrator and acknowledge that a failure to do so may jeopardize my ability to participate in the program.

i) N/A

j) I agree to support the Approved Vendor Aggregator’s completion annual reports by the report deadline, disclosing names and other information on installers and projects, and documenting that all installers and other subcontractors comply with applicable local, state, and federal laws and regulations, including Illinois Commerce Commission registration as Distributed Generation Installers, providing current status of unfinished projects and credits generated and delivered by completed projects, and any other annual report requirements as determined by the Administrator.

k) I agree to comply with all community solar subscriber reporting requirements including providing updated and accurate subscriber data.

l) I agree to provide company financial statements and/or project references upon request of the Program Administrator.

m) I will comply with all other Program rules and Administrator requests.

n) If any requirements are implemented by the Illinois Power Agency or Program Administrator that I am unable to comply with, I agree to immediately request to withdraw my qualification to act as a Aggregator Designee for any projects not already under contract with the utilities or the IPA and cease all new Approved Vendor Designee activities.

o) N/A.

p) I agree that any registration, project submittal, and project performance data and information (including any quarterly or annual reports) may be shared between the Illinois Power Agency, the program administrators for the Illinois Solar for All Program and the Adjustable Block Program, the Illinois Commerce Commission, and, where applicable, Commonwealth Edison, Ameren Illinois, and MidAmerican Energy Company.  To the extent these submittals contain information I deem confidential, proprietary, or privileged information that could cause competitive harm if disclosed to a third party or made publicly available, I will endeavor to designate them as such when furnished to the Program Administrator. 

q) N/A

r) I understand the Illinois Solar for All program goal to utilize 25% of incentives for projects sited in environmental justice communities and will strive to site, market, and acquire customers in these areas in accordance with this goal.

s) I will identify and include community organizations and local partners in planning, outreach, and project development phases for Illinois Solar for All projects where possible and according to specific requirements for ILSFA community solar projects.

t) I have read and understand the Site Suitability Guide and will incorporate the guidelines therein into all ILSFA site assessments and business practices.

u) I have read the Program Resources Guide and will, to the best of my ability, help direct prospective ILSFA participants to relevant improvement, financing, energy efficiency, and healthy home resources identified in the Program Resources Guide.

v) I agree that all contracts for ILSFA projects presented to customers/program participants will meet the minimum savings requirements, defined as: Any payments made by program participants must be, on an annual basis, less than 50% of the annual first year estimated production and/or utility default service net metering value to be received by the customer. The exception being for multifamily buildings where tenants do not pay for electricity bills directly.
Annual Customer Payment ÷ 1st Year Net Metering Value ≤ 0.5.

w) I agree to provide documentation that ensures owners of multifamily buildings in the distributed generation program where tenants do not pay for electricity directly demonstrate that the value of the energy savings from net metering is passed to tenants through reduced (or not raised) rents, or by other means. 

x) I agree that any contract presented to customers/program participants will include no up-front costs.

y) I agree to use standardized, automatically generated disclosures, which will be presented to each Distributed Generation customer at least seven days before consummation of the transaction and will include the right to cancel the transaction within seven business days after consummation.

z) I agree that financing amounts, terms, and conditions must be based on an assessment of the program participant’s ability to repay the debt, as defined by Regulation Z, which is a federal rule that implements aspects of the Truth in Lending Act and the Dodd‐Frank Act.

aa) I agree that for qualified low‐income customers, loans should not be secured by the program participant’s home or home equity. While such unsecured loans may entail a higher interest rate, especially for customers with low credit scores or little credit history, they avoid the risk of liens and foreclosures for customers who default on their loans.

bb) I agree that customer contracts may not include prepayment penalties.

cc) I agree that marketing and contractual materials must be in the language requested by the customer and it is the responsibility of the Approved Vendor to produce those translated materials.

dd) I agree to use qualified job trainees on ILSFA projects to meet all annual requirements across all ILSFA projects and specific requirements for each Distributed Generation project. For low-income distributed generation projects, this means using at least one qualified job trainee on 33% of projects. Across the entire portfolio of ILSFA projects, this means a commitment to using job trainees to complete 10% of installation hours in year one of program participation, 20% of installation hours in year two of program participation, and 33% of installation hours in year three of program participation. 

ee) I agree to the income eligibility guidelines and verification procedures outlined in the Illinois Solar for All Vendor Manual and accept that it is the Approved Vendor’s responsibility to provide all necessary information and data to meet and verify these requirements according to these guidelines. I will ensure that all personally identifiable information is protected and that all potential customers/program participants undergoing income verification will be treated according to established Illinois Solar for All procedures and with respect, courtesy, and professionalism.

ff) I agree to ensure access to all solar installations for random on-site inspections by the Program Administrator and its subcontractors.




a) I am the owner (for sole proprietorship), partner (for partnership), or the authorized agent (for corporation, LLC, or non-profit) of the applicant organization.

b) The information provided on this form is true and correct to the best of my knowledge.

c) I agree to participate in registration and any initial or recurrent required training.

d) I agree to abide by the ongoing Program terms and conditions.

e) I agree to maintain registration to do business in Illinois.

f) I agree to provide updated information to the Administrator on any complaints, lawsuits, legal or regulatory action, bankruptcy, or any other material adverse changes in business condition when it becomes available.

g) I, or our subcontractors/installers, affiliates, or designees agree to provide samples of marketing materials or content used by our company for marketing community solar subscriptions, to the Program Administrator for review upon initial registration approval. I furthermore agree to make changes to marketing materials requested by the Illinois Power Agency or Program Administrator in their efforts to ensure that such materials are not deceptive, confusing, or misleading and to further ensure that such materials do not feature misrepresentations about our relationship to the Illinois Power Agency or the Illinois Solar for All Program.

h) I agree to comply with all consumer protection guidelines published by the Program Administrator and acknowledge that a failure to do so may jeopardize my ability to participate in the program.

i) I agree to provide and maintain credit and collateral requirements pursuant to Section 6.16.1 of the Long-Term Renewable Resources Procurement Plan (DOES NOT APPLY TO DESIGNEES).

j) I agree to complete annual reports by the report deadline, disclosing names and other information on installers and projects, and documenting that all installers and other subcontractors comply with applicable local, state, and federal laws and regulations, including Illinois Commerce Commission registration as Distributed Generation Installers, providing current status of unfinished projects and credits generated and delivered by completed projects, and any other annual report requirements as determined by the Administrator.

k) I agree to comply with all community solar subscriber reporting requirements including providing updated and accurate subscriber data.

l) I agree to provide company financial statements and/or project references upon request of the Program Administrator.

m) I will comply with all other Program rules and Administrator requests.

n) If any requirements are implemented by the Illinois Power Agency or Program Administrator that I am unable to comply with, I agree to immediately request to withdraw my qualification to act as an Approved Vendor, Approved Vendor Aggregator, or Aggregator Designee for any projects not already under contract with the utilities or the IPA and cease all new Approved Vendor activities.

o) I agree to maintain my active status as an Adjustable Block Program Approved Vendor. Failure to do so or disqualification from that program for any reason will result in immediate removal from the Illinois Solar for All Program.

p) I agree that any registration, project submittal, and project performance data and information (including any quarterly or annual reports) may be shared between the Illinois Power Agency, the program administrators for the Illinois Solar for All Program and the Adjustable Block Program, the Illinois Commerce Commission, and, where applicable, Commonwealth Edison, Ameren Illinois, and MidAmerican Energy Company.  To the extent these submittals contain information I deem confidential, proprietary, or privileged information that could cause competitive harm if disclosed to a third party or made publicly available, I will endeavor to designate them as such when furnished to the Program Administrator. 

q) I agree that once project submittals have satisfactorily met all Illinois Solar for All requirements, the Program Administrator will share project data with the Adjustable Block Program administrator. The ABP Administrator will then facilitate the execution of the REC contract or confirmation with the Approved Vendor and counterparty (Illinois Power Agency or utility), subject to approval by the Illinois Commerce Commission.

r) I understand the Illinois Solar for All program goal to utilize 25% of incentives for projects sited in environmental justice communities and will strive to site, market, and acquire customers in these areas in accordance with this goal.

s) I will identify and include community organizations and local partners in planning, outreach, and project development phases for Illinois Solar for All projects where possible and according to specific requirements for ILSFA community solar projects.

t) I have read and understand the Site Suitability Guide and will incorporate the guidelines therein into all ILSFA site assessments and business practices.

u) I have read the Program Resources Guide and will, to the best of my ability, help direct prospective ILSFA participants to relevant improvement, financing, energy efficiency, and healthy home resources identified in the Program Resources Guide.

v) I agree that all contracts for ILSFA projects presented to customers/program participants will meet the minimum savings requirements, defined as: Any payments made by program participants must be, on an annual basis, less than 50% of the annual first year estimated production and/or utility default service net metering value to be received by the customer. The exception being for multifamily buildings where tenants do not pay for electricity bills directly.
Annual Customer Payment ÷ 1st Year Net Metering Value ≤ 0.5.

w) I agree to provide documentation that ensures owners of multifamily buildings in the distributed generation program where tenants do not pay for electricity directly demonstrate that the value of the energy savings from net metering is passed to tenants through reduced (or not raised) rents, or by other means. 

x) I agree that any contract presented to customers/program participants will include no up-front costs.

y) N/A

z) I agree that financing amounts, terms, and conditions must be based on an assessment of the program participant’s ability to repay the debt, as defined by Regulation Z, which is a federal rule that implements aspects of the Truth in Lending Act and the Dodd‐Frank Act.

aa) I agree that for qualified low‐income customers, loans should not be secured by the program participant’s home or home equity. While such unsecured loans may entail a higher interest rate, especially for customers with low credit scores or little credit history, they avoid the risk of liens and foreclosures for customers who default on their loans.

bb) I agree that customer contracts may not include prepayment penalties.

cc) I agree that marketing and contractual materials must be in the language requested by the customer and it is the responsibility of the Approved Vendor to produce those translated materials.

dd) I agree to use qualified job trainees on ILSFA projects to meet all annual requirements across all ILSFA projects and specific requirements for each Distributed Generation project. For low-income distributed generation projects, this means using at least one qualified job trainee on 33% of projects. Across the entire portfolio of ILSFA projects, this means a commitment to using job trainees to complete 10% of installation hours in year one of program participation, 20% of installation hours in year two of program participation, and 33% of installation hours in year three of program participation. 

ee) I agree to the income eligibility guidelines and verification procedures outlined in the Illinois Solar for All Vendor Manual and accept that it is the Approved Vendor’s responsibility to provide all necessary information and data to meet and verify these requirements according to these guidelines. I will ensure that all personally identifiable information is protected and that all potential customers/program participants undergoing income verification will be treated according to established Illinois Solar for All procedures and with respect, courtesy, and professionalism.

ff) I agree to ensure access to all solar installations for random on-site inspections by the Program Administrator and its subcontractors.