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Citywide infrastructure project targeted aging manholes with structural repairs, improving wastewater system reliability, long-term performance, and safety for the community
FRAMINGHAM, MA and MESQUITE, TX – May 28, 2026 – Ameresco, Inc., (NYSE: AMRC), a leading energy infrastructure solutions provider, today announced the successful completion of the first phase of a multi-year, citywide manhole rehabilitation initiative with the City of Mesquite, Texas, which maintains approximately 6,400 manholes across its wastewater system.
As part of the project, Ameresco rehabilitated more than 190 manholes throughout the city’s wastewater infrastructure that have shown signs of deterioration. The project is intended to help minimize the risk of inflow and infiltration of stormwater and address potential structural failures, ultimately reducing system inefficiencies and wastewater treatment costs associated with aging manholes.
“We’re proud of our continued partnership with the City of Mesquite and the successful completion of this important infrastructure investment,” said Louis Maltezos, Co-President of Ameresco. “Modernizing wastewater infrastructure strengthens system reliability and positions communities to meet future needs with confidence. This project supports the modernization of critical infrastructure to strengthen system reliability and long‑term performance.”
Ameresco provided a full wastewater rehabilitation solution that included the supply and installation of a multi-layered polymeric lining system to restore structural integrity of the manholes and extend service life. Prior to coating installation, each manhole structure underwent a comprehensive cleaning process, with any identified holes or cracks grouted and plugged to create ideal surface conditions for maximum coating adhesion and long-term performance.
“The City of Mesquite is committed to providing quality water and wastewater services to our customers with limited disruptions,” said Cliff Keheley, City Manager. “This proactive approach to rehabilitate aging assets not only prevents disruptions, it manages costs. Programs like the ones offered by Ameresco help the City provide consistent and affordable services to our citizens.”
This project marks the latest initiative in a successful multi-year partnership with the City of Mesquite focused on modernizing critical water infrastructure. Previous collaboration efforts included the implementation of a comprehensive smart metering infrastructure project serving the city’s residential and commercial water utility customers.
To learn more about Ameresco’s advanced metering infrastructure solutions, visit: https://www.ameresco.com/advanced-metering-infrastucture/
About Ameresco, Inc.
Founded in 2000, Ameresco, Inc. (NYSE:AMRC) is a leading energy infrastructure 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, data centers, 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.
The announcement of completion of a customer’s project contract is not necessarily indicative of the timing or amount of revenue from such contract, of Ameresco’s overall revenue for any particular period or of trends in Ameresco’s overall total project backlog. This project was included in Ameresco’s previously reported contracted backlog as of March 31, 2026.
What wastewater infrastructure rehabilitation project did Ameresco complete for the City of Mesquite, Texas?
Ameresco completed the first phase of a multi-year wastewater infrastructure rehabilitation project for the City of Mesquite, Texas, focused on repairing aging manholes across the city to improve wastewater system reliability, reduce inefficiencies, and support long-term infrastructure performance.
How will the City of Mesquite, Texas benefit from Ameresco’s manhole rehabilitation project?
Ameresco’s manhole rehabilitation project helps the City of Mesquite proactively address aging wastewater assets, minimize disruptions, and manage costs by reducing system inefficiencies and preventing structural failures, supporting reliable and affordable wastewater services.
How will residents in Mesquite, Texas benefit from Ameresco’s wastewater infrastructure rehabilitation project?
Ameresco’s wastewater rehabilitation project supports Mesquite residents by improving system reliability and reducing the likelihood of service disruptions, enabling the city to provide consistent and affordable wastewater services through proactive infrastructure maintenance.
What wastewater rehabilitation technologies is Ameresco deploying in Mesquite, Texas for manhole infrastructure?
Ameresco deployed a full wastewater rehabilitation solution in Mesquite that includes a multi-layered polymeric lining system, along with comprehensive cleaning, crack repair, and grouting to restore structural integrity and extend the service life of manholes.
What is Ameresco’s polymeric lining system used in Mesquite, Texas wastewater rehabilitation?
Ameresco’s polymeric lining system is a multi-layered coating solution used in Mesquite to restore deteriorating manholes by creating a durable barrier that improves structural integrity, supports coating adhesion, and extends the long-term performance of wastewater infrastructure.
How does Ameresco’s manhole rehabilitation project in Mesquite, Texas reduce inflow and infiltration?
Ameresco’s manhole rehabilitation project reduces inflow and infiltration by sealing cracks and repairing structural damage in aging manholes, helping prevent stormwater from entering the wastewater system and reducing inefficiencies and treatment costs.
What wastewater infrastructure challenges is Ameresco addressing in Mesquite, Texas?
Ameresco addresses key wastewater infrastructure challenges in Mesquite, including deteriorating manholes, inflow and infiltration of stormwater, and potential structural failures, which can increase system inefficiencies and wastewater treatment costs.
How does Ameresco’s wastewater infrastructure project support long-term performance in Mesquite, Texas?
Ameresco’s wastewater infrastructure project supports long-term performance in Mesquite by restoring manhole structural integrity and extending asset life, helping the city improve system reliability and maintain efficient wastewater operations over time.
