Utility Audits In Illinois

Get refunded for overbilling from utility companies and energy suppliers.
0 %
Of organizations are overcharged for their utility expenses and are entitled to a billing refund.

Get Utility Refunds In Illinois

Welcome to our utility auditing services, meticulously tailored for Illinois’ vibrant mix of metropolitan centers and expansive rural areas. In a state where energy demands vary significantly from the bustling streets of Chicago to the quieter plains of central Illinois, effective utility management is crucial for financial efficiency and environmental responsibility. Our expert team specializes in comprehensive audits across all utility sectors—electricity, natural gas, water, telecommunications, and waste management. We aim to identify cost-saving opportunities, correct billing inaccuracies, and provide actionable recommendations to enhance utility usage, helping Illinois businesses and municipal entities achieve substantial operational improvements.

Your Dedicated Utility Bill Audit Business Experts

When you contact National Utilities Refund for a utility bill audit, our team of industry experts will evaluate your payments, analyze your services, and look for ways to remove errors, overcharges, and unnecessary charges. We will also obtain utility refunds on historical billing issues. Many utility companies have specific clauses and subsections that affect the final bill but that can be difficult to spot with the untrained eye.

Our team of experts will perform your audit off-site so that our services are non-intrusive. You won’t have to rearrange your schedule to accommodate our audits so you can stay focused on your daily responsibilities while we analyze your utility bills.

Electricity Bill Audits

Utility invoices and third-party power supplier bills.

Telecom provider, telecom rates, and billing errors.

Natural Gas Bill Audits

Commodity rates and natural gas tariff schedules.

Water / Sewer Bill Audits

Often overlooked, these bills contain many errors.

We can help negotiate better rates or identify errors.

Discover if you are overpaying for your WC insurance.

We can help you secure tax credits for product development.

Are you overpaying in property taxes? Find out now.

We've Done Over 10,000 Audits

National Utilities Refund is so committed to your satisfaction that our services are done with zero out-of-pocket costs to you. After our audit is complete, if we don’t find any ways to save you money or obtain a utility refund, you won’t owe us a penny. We stand by our work and are committed to finding you money-saving solutions.

No matter the size or complexity of your business, we have a team of diverse industry experts that understand the bills you pay in connection to your business’ services and can find ways for you to save.


Illinois Utility Companies

In Illinois, a state with a complex utility landscape shaped by both its industrial legacy and agricultural prominence, residents and businesses rely on an array of utility companies to meet their diverse needs. Understanding the utilities landscape, along with Illinois’ regulatory and tax environment, is essential for anyone involved in the state’s economic sectors.

Electricity Providers 

Ameren Illinois:

  • Serving central and southern Illinois, Ameren Illinois delivers electricity to millions, focusing on reliability and the integration of renewable energy sources.


ComEd (Commonwealth Edison):

  • ComEd provides electricity to approximately 4 million customers in northern Illinois, including Chicago, with a strong emphasis on sustainability and grid modernization.

Natural Gas Providers

Nicor Gas:

  • Nicor Gas is the largest natural gas provider in Illinois, serving over 2.2 million customers in the northern part of the state with a focus on safety and energy efficiency.


Peoples Gas:

  • Operating in the city of Chicago, Peoples Gas works to deliver reliable natural gas service to numerous residential and commercial customers in urban settings.

Water Utility Providers

Chicago Water Management:

  • This department manages the water needs of Chicago, ensuring high-quality water treatment and sustainable water use practices.


Illinois American Water:

  • Serving many communities across the state, Illinois American Water focuses on quality, efficiency, and environmental stewardship in water services.

Telecommunication Providers

AT&T Illinois:

  • Providing a comprehensive range of telecommunication services including broadband, wireless, and digital TV across the state.


Verizon Illinois:

  • Verizon offers extensive coverage in Illinois, ensuring high-speed internet and wireless services to both urban and rural customers.

Trash or Waste Management

Waste Management of Illinois:

  • They provide environmental solutions across the state, focusing on recycling, renewable energy, and waste reduction.


Republic Services:

  • Known for their reliability and innovation in waste and recycling services, Republic Services serves several communities throughout Illinois.

Illinois State Taxes

Sales Taxes on Utilities:

  • The Illinois Department of Revenue collects sales taxes on utilities such as telecommunications and certain natural gas services, which contribute to both state and local finances.


Property Taxes in Illinois for Businesses:

  • In Illinois, business properties are assessed and taxed at the local level, with property taxes being a major source of revenue for local governments. Regular reassessments ensure that the tax base reflects current market conditions, aiding in the funding of public services.

Simple and stress-free approach.

Get Started
Return our utility audit agreement & letter of authorization, then simply provide one bill copy for each utility account and a copy of any utility agreements.
Our Audit
Our team will perform the utility audit off-site. We work with the utility company to retrieve historic data.
Findings Process
The utility audit takes between 6-8 weeks. When we uncover an overcharge or utility refund, we present it in a preliminary report for your review.
You're In Charge
You are always in the driver's seat. We will implement the findings that you approve and handle all follow-up paperwork with the utility provider.
Discrepancy Impact Analysis
We will pull the utility invoice from the provider to confirm that the discovered discrepancy was corrected and/or validate that the utility refund was issued. We then calculate exactly how this impacted your bottom line.
Final Report
A final report will summarize the utility audit findings implemented and the utility refunds filed to illustrate the financial impact for your organization.

Your Team of Utility Bill Audit Experts

So contact us today to learn more about our services, or schedule a utility bill audit so that you can start saving money.