Ameresco, Republic Services and U.S. Energy Host Open House Ceremony at Lee County Landfill Renewable Natural Gas Facility, Celebrate Completion of 15th Project in Ongoing Partnership with Republic Services and Ameresco

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--(BUSINESS WIRE)--Sep 23, 2025--

Ameresco, Inc. (NYSE:AMRC):

WHAT:

Ameresco, Inc., a leading energy solutions provider dedicated to helping customers navigate the energy transition, and officials from Republic Services and U.S. Energy will host an open house to celebrate the completion of the renewable natural gas (RNG) facility at the Lee County Landfill in Dixon, IL. This milestone marks the completion of the 15th renewable energy facility developed in collaboration between Republic Services and Ameresco, with many more facilities in various stages of development, permitting, and construction.

RNG generated at the Lee County facility was successfully injected into a natural gas transmission pipeline at the end of June 2025. The facility captures naturally occurring landfill gas and processes it into pipeline-quality RNG, a low-carbon transportation fuel that displaces fossil fuel usage. It is designed to process 4,500 standard cubic feet per minute (scfm) of raw landfill gas, transforming what was previously flared gas into a valuable renewable energy resource.

Environmental impact projections estimate the facility will reduce carbon dioxide emissions by more than 61,000 metric tons per year, equivalent to eliminating emissions from over 70,000,000 gallons of gasoline consumption or approximately 1,500,000 barrels of oil. This significant reduction decreases reliance on fossil fuels while advancing environmental sustainability by converting waste into clean energy.

WHEN:

Wednesday, October 1, 2025, 10:00 – 11:30 A.M. CST

WHERE:

• 1214 Bataan Road, Dixon, Illinois
• Parking available on site
• Shuttle buses are available to transport attendees from the parking area to the event site.

WHO:

• Michael Bakas, President of Renewable Fuels, Ameresco
• Zach Woodburn, General Manager, Republic Services
• Bryan Nudelbacher, Vice President of Renewable Natural Gas, U.S. Energy

KEY VISUALS:

• Open house and tours of new Lee County RNG facility
• Republic Services, U.S. Energy, and Ameresco executives available for interview

DRESS CODE:

Business casual attire and closed-toed shoes are required. Personal protective equipment is provided on site.

RSVP:

info.ameresco.com/lee-county-rsvp

About Ameresco, Inc.

Founded in 2000, Ameresco, Inc. (NYSE:AMRC) is a leading energy solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the global energy transition. Our comprehensive portfolio includes implementing smart energy efficiency solutions, upgrading aging infrastructure, and developing, constructing, and operating distributed energy resources. As a trusted full-service partner, Ameresco shows the way by reducing energy use and delivering energy infrastructure solutions to Federal, state and local governments, utilities, educational and healthcare institutions, housing authorities, and commercial and industrial customers. Headquartered in Framingham, MA, Ameresco has more than 1,500 employees providing local expertise in North America and Europe. For more information, visit www.ameresco.com.

About Republic Services

Republic Services, Inc. is a leader in the environmental services industry. Through its subsidiaries, the company provides customers with the most complete set of products and services, including recycling, solid waste, special waste, hazardous waste and field services. Republic's industry-leading commitments to advance circularity and support decarbonization are helping deliver on its vision to partner with customers to create a more sustainable world. For more information, please visit RepublicServices.com.

About U.S. Energy®

U.S. Energy, a U.S. Venture company, is a leading provider of refined products, alternative fuels, and environmental credits. Over its 70-year tenure, U.S. Energy has diversified across the energy supply chain. From energy project development, distribution, and marketing through wholesale, commercial, and retail channels, U.S. Energy partners with organizations—providing comprehensive support for a variety of fuel types. Driven to be the very best and most trusted energy solutions provider, U.S. Energy is uniquely positioned to help organizations navigate the evolving energy industry. For more information, visit www.us-energy.com.

View source version on businesswire.com:https://www.businesswire.com/news/home/20250923978154/en/

CONTACT: Media:

Ameresco: Leila Dillon, 508-661-2264,[email protected]

KEYWORD: UNITED STATES NORTH AMERICA ILLINOIS

INDUSTRY KEYWORD: URBAN PLANNING CONSTRUCTION & PROPERTY BUILDING SYSTEMS RECYCLING GREEN TECHNOLOGY OIL/GAS ALTERNATIVE ENERGY ENVIRONMENT ENERGY OTHER CONSTRUCTION & PROPERTY SUSTAINABILITY

SOURCE: Ameresco, Inc.

Copyright Business Wire 2025.

PUB: 09/23/2025 08:05 AM/DISC: 09/23/2025 08:04 AM

http://www.businesswire.com/news/home/20250923978154/en