Small Business

Reduce energy costs and boost your bottom line with financial incentives for energy-saving equipment upgrades.

With the rising cost of doing business, we know that every penny counts. Energy efficiency is one area of potential cost savings that’s often overlooked. Ameren Illinois offers a wide range of financial incentives to make equipment upgrades and energy efficiency projects more affordable for small business customers.

Starting in 2026, small businesses can now get financial incentives for air leak sealing, insulation and other weatherization measures through the Small Business Direct Install (SBDI) Program. 

Small Business Direct Install Program

The Small Business Direct Install (SBDI) Program offers a simple, streamlined process for small business customers to reduce their energy costs by installing lighting, weatherization and refrigeration products. Our network of trained Program Ally contractors will handle installation, application processing and any questions you may have.

Eligible Financial Incentives Through SBDI Include:

Lighting and Lighting Controls

  • Lighting (interior and exterior)
  • LED tube and fixture replacements
  • Networked lighting controls
  • Occupancy and daylight sensors
  • LED open and exit signs

Weatherization

  • Air sealing
  • Duct insulation
  • Duct sealing
  • Roof/attic insulation
  • Small pipe insulation
  • Wall insulation

Refrigeration Equipment

  • Efficient motors for walk-in/reach-in coolers and freezers
  • Evaporator fan controls for walk-in coolers and freezers
  • Anti-sweat heater controls for reach-in coolers and freezers
  • Cooler/freezer door closers
  • Zero energy doors

Additional incentives are available through SBDI for smart thermostats, demand-controlled ventilation and advanced power strips.

Most small businesses are eligible for SBDI incentives including restaurants, convenience stores, gas stations, retail stores, office buildings, nonprofits, municipal buildings, places of worship and more. Click below to find out if your business is eligible.

Don’t miss out on energy savings! Get started by requesting a FREE Energy Consultation to discuss opportunities to boost your bottom line.

In 2025, more than half of all SBDI projects were completed at no cost to the customer!

How SBDI Works

FREE Energy Consultation

Program Ally Contractor performs FREE Energy Consultation.
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Step 1

Receive Assessment Report

Learn how much incentive dollars you will receive and project payback period (if applicable).
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Step 2

Equipment Installation

Program Ally Contractor submits paperwork and completes the equipment installation.
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Step 3

Start Saving!

Energy savings can be reinvested back into your business.
Step 4

Watch this video for a quick overview:

Find a Small Business Program Ally

A Small Business Program Ally is a local contractor who is registered with the Ameren Illinois Energy Efficiency Program. A Program Ally can help secure financial incentives on your behalf and complete recommended energy efficiency projects in your facility. Use the interactive map below to find a Small Business Program Ally near you.

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2025 Small Business Direct Install Program

1,282

Customers Served in 2025

$10.87 Million

Total Incentives Paid

58%

of Projects Completed at NO COST to the Customer

80%

Average Project Costs Covered by Ameren Illinois

8 Months

Average Time for Simple Return on Investment

*Incentive amounts may vary based on project energy savings.

More Ways to Save on Equipment Upgrades

Standard Incentives

Businesses of all sizes and industries can take advantage of standard program incentives on a wide range of equipment and project upgrades.

Online Business Store

Discounted products such as LED lightbulbs, advanced power strips and smart thermostats are available to all Ameren Illinois business customers.

Business Forms Library

Find the latest incentive applications and other forms.

Questions? Call 1.866.800.0747 or email IllinoisBusinessEE@ameren.com.

Subscribe to our monthly newsletter for the latest Program updates.

Click store logo to reveal coupon-eligible smart thermostats.

Product Name Retailer Product Number Retail Price Final Cost After Rebate
Rheem Performance Platinum ProTerra 40 Gal 1010059454 $1,999.00 $1,199.00
Rheem Performance Platinum ProTerra 40 Gal with Leak Detection 1010059458 $2,119.00 $1,319.00
Rheem Performance Platinum ProTerra 50 Gal 1010059453 $2,099.00 $1,299.00
Rheem Performance Platinum ProTerra 50 Gal with Leak Detection 1010059457 $2,219.00 $1,419.00
Rheem Performance Platinum ProTerra 65 Gal 1010059452 $2,449.00 $1,649.00
Rheem Performance Platinum 40 Gal 1005205483 $1,599.00 $799.00
Rheem ProTerra 65 Gal with Leak Detection 1010059456 $2,619.00 $1,819.00
Rheem Performance Platinum ProTerra 80 Gal 1010059451 $2,799.00 $1,999.00
Rheem Performance Platinum ProTerra 80 Gal and Leak Detection 1010059455 $3,019.00 $2,219.00
Rheem Performance Platinum 40 Gal Hybrid 1011847916 $1,504.00 $704.00
Rheem Performance Platinum 40 Gal Hybrid with Leak Detection 1011847864 $1,719.00 $919.00
Rheem Performance Platinum 50 Gal Hybrid 1012120494 $1,869.00 $1,069.00
Rheem ProTerra 50 Gal Hybrid with Leak Detection 1011847851 $1,819.00 $1,019.00
Rheem Performance Platinum 65 Gal Hybrid 1011847889 $1,829.00 $1,029.00
Rheem ProTerra 65 Gal Hybrid with Leak Detection 1011847838 $1,889.00 $1,089.00
Rheem Performance Platinum 80 Gal Hybrid 1012120496 $2,479.00 $1,679.00
Rheem ProTerra 80 Gal Hybrid with Leak Detection 1011847825 $2,619.00 $1,819.00

*Instant coupon is also available for the following special order models: 6768549, 6768547, 5207972, 5207970, 4842215, 1054200, 900351, 900329, 900027, 899935, 899931, 899485.

Click store logo to reveal coupon-eligible smart thermostats.

Product Name Retailer Product Number Retail Price Final Cost After Rebate
Google Nest Learning - Polished Gold 1011695219 $279.99 $154.99
Google Nest Learning - Polished Obsidian 1011695218 $279.99 $154.99
Google Nest Learning - Polished Silver 1011695216 $279.99 $154.99
Emerson Sensi Touch 2 - White 1009125071 $209.99 $84.99
Emerson Sensi Touch 2 - Black 1009125070 $209.99 $84.99
ecobee Enhanced - Black 1007427425 $189.00 $64.00
ecobe Premium w sensor 1007427424 $249.99 $124.99
Emerson Sensi Touch - Silver 1006465784 $169.99 $44.99
Honeywell T9 White 1005178090 $209.00 $84.00
Honeywell T5+ Black 1003332353 $163.93 $38.93
Honeywell Wifi 7 day Touchscreen White 1002513469 $179.00 $54.00
Emerson Sensi Touch - Black 1002364956 $169.99 $44.99
Copeland Sensi Touch - White 1003419067 $169.99 $44.99
Product Name Retail Product Number Retail Price Final Cost after Rebate
ecobee Premium w/room sensor 4951006 $249.99 $124.99
ecobee Enhanced 4951007 $189.99 $64.99
Nest Learning Thermostat Gen 4 PO 5991723 $279.99 $154.99
Nest Learning Thermostat Gen 4 PG 5991724 $279.99 $154.99
Nest Learning Thermostat Gen 4 PS 5991725 $279.99 $154.99
Emerson Black 831393 $169.99 $44.99
Honeywell Home Silver 831392 $179.99 $54.99
Sensi Black 4865156 $209.99 $84.99
Sensi White 5406155 $209.99 $84.99
Honeywell Home White 1290095 $209.99 $84.99
Honeywell Home X8S Black 7038072 $219.99 $94.99