Since 1998, we've been helping

owners, developers, designers and builders

predict, measure and control

industrial noise.

Licensing & Permitting

Whether you're an Owner, Developer or Environmental Consultant, MTAcoustics provides:

  • LORS Research

  • Code Interpretations

  • Ambient Noise Monitoring

  • Acoustical Modeling

  • Noise Level Evaluations

  • Noise Impact Assessments

  • Expert Witness Testimony

Noise Control Design

For Owners and EPC Contractors, MTAcoustics provides facility-wide, optimized noise control designs, including preparation of individual equipment 

specfications.  We have an outstanding record of achieving regulatory compliance with least-cost noise control designs.

Noise Level Performance Testing

On-demand, flexible 'substantial completion' noise testing to support your project to the finish line.



Michael Theriault Acoustics, Inc. (MTA) has been providing environmental noise control consulting services to North American electric power generation clients since 1998, including preparation of noise impact studies for owners and environmental planners; development of large-scale noise control programs for architectural engineering firms; noise level performance testing for EPC contractors; and noise control due diligence reviews for municipalities and financial underwriters. MTA has advised clients on hundreds of energy facilities, ranging in size from 1 to 2,000 megawatts, many from conceptual design through final testing using combustion turbine, wind turbine, biomass and conventional fossil-fueled technologies. MTA also provides expert witness noise testimony regarding construction and operation of electric power energy centers.

energy centers,

We've worked on hundreds of


ranging in size from 1 to 2,000

as well as the most innovative LNG

production facilities in North America.

Mike Theriault

John Orgar


Some of Our Projects

Venture Global Calcasieu Pass LNG
Cameron Parish, LA
Venture Global Plaquemines LNG
Plaquemines Parish, LA
Cove Point LNG
Lusby, MD
Hickory Run Energy Center
New Castle, PA
Hill Top Energy Center
Carmichaels, PA
Bayonne Energy Center
Bayonne, New Jersey
HESS/Pure Energy Resources

MTA Prepared Noise Level Evaluation and Provided Expert Testimony
Clear River Energy Center
Burrillville, Rhode Island
Invenergy LLC
Thorold Energy Center
Ontario Province, Canada
Northland Power/Kiewit Engineering & Design Co

MTA prepared facility-wide noise control design for very low-noise installation.
St. Joseph Energy Center
New Carlisle, Indiana
Kiewit Engineering & Design Co
Palomar Energy Center
San Diego, California
San Diego Gas & Electric/Kiewit Engineering & Design Co
Forward Energy Center
Dodge & Fond Du Lac County, Wisconsin
Invenergy LLC
Haynes Repowering Project
Long Beach, California
Los Angeles Department of Water and Power/Kiewit Engineering & Design Co
Scattergood Generating Station
El Segundo, California
Walnut Creek Energy Center
City of Industry, California
Edison Mission Group/Kiewit Engineering & Design Co
Napanee Generating Station
Greater Napanee, Ontario Province, Canada
TransCanads/Kiewit Engineering and Design Co
Grays Harbor Energy Center
Elma, Washington
Invenergy LLC
Carroll County Energy
Carroll County, Ohio
Advanced Power
Kibby Wind Power
Franklin County, Maine
Homer City Generating Station
Indiana County, Pennsylvania
FGD Project
NRG Energy/Kiewit Engineering and Design Co
Troutdale Energy Center
Troutdale, Oregon
Development Partners/Kiewit Engineering and Design Co
Marsh Landing Station
Contra Costa County, California
Mirant/Kiewit Engineering and Design Co
Brayton Point Generating Station
Somerset, Massachusetts
Dominion Energy NE/Kiewit Engineering & Design Co
Revel Energy Center
Atlantic City, New Jersey
Noise Level Evaluation, Expert Testimony, Facility-Wide Noise Control Design/Testing
Marina Thermal CHP
Atlantic City, New Jersey
DCO Energy
Noise Level Evaluation, Noise Control Design, Noise Testing
Montclair State University CHP
Montclair, New Jersey
DCO Energy
Olinda Landfill Gas-to-Energy
Brea, California
Facility Wide Noise Control Design and Testing
Providence LGE
Johnston, Rhode Island
DCO Energy
Noise Control Design & Testing
University of Massachusetts CHP
Amherst, Massachusetts
Vanderweil Engineering
Noise Control Design & Testing
Millenium Power Plant
Charlton, Massachusetts
Panoche Energy Center
Firebaugh, California
Show More

And Some of Our Clients




110 Marginal Way, MB 745

Portland, Maine    04101

(207) 799-0140

If we can answer any questions, or provide additional information, please fill out the form below or call (207) 799-0140.


© 1998 - 2020  Michael Theriault Acoustics, Inc.