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For thirty years, Waldron Engineering & Construction has delivered custom-engineered energy solutions to a diverse array of clients. From turnkey facilities to fresh insights that drive decision-making, we offer resilient, innovative and constructible solutions built to thrive in today’s dynamic utility landscape.

Waldron is a full-service analytics, engineering, and construction management firm with a focus on the energy industry. We deliver the sustainable, resilient, and cost-effective energy solutions our future requires. ENERGY SOLUTIONS FOR THE WORLD AHEAD Waldron is a full-service analytics, engineering and construction management firm with a focus on the energy industry. We deliver the sustainable, resilient, and cost-effective energy solutions our future requires. Waldron DELIVERING ENERGY SOLUTIONS Hybrid CHP Renewable Gas Hydrogen Solar Organic Rankine Cycle (ORC) Heat Pumps MICROGRID Battery Energy Storage Systems Biomass Compressed Air Energy Storage WE ARE Analysts Engineers Construction Managers Commissioning Agents See How We Work Our projects have reduced greenhouse gas emissions equal to the removal of 1 million cars from the road We have successfully completed more than 1500 projects for over 400 clients "After an extensive request for proposal process, we selected Waldron Engineering & Construction from more than a dozen other proposals. Waldron successfully executed a $27 million dollar Guaranteed Maximum Price (GMP) project ahead of schedule and $500,000 under budget." — Healthcare Client "Waldron is deeply experienced at dealing with the uncertainties and complexities of integrating a modern utility plant into an older manufacturing process with a flexible, nimble, and creative can-do attitude." — Biotech Client "Waldron brings a thoughtful, practical, efficient, and creative approach to completing our project on a tight timeline and on budget. The plant produced over 94% of the electricity and steam requirements for the paper mill, winning an award for clean power." — Manufacturing Client "To ensure on-time project completion, we chose Waldron for their combined industrial setting construction experience, practical engineering design approach, and project track record." — Campus Client TWA Flight Center Hotel Energy Center University of New Hampshire: Renewable Natural Gas Milford Regional Medical Center: Battery Energy Storage System Baystate Medical Center: Microgrid Yale University: Feasibility Study Brigham & Women's Hospital: Microgrid LEADERSHIP Terence Waldron, P.E. CEO John Sweet, P.E. President Grant Page VP of Construction Michael Mark, P.E. VP of Engineering For thirty-four years, Waldron Engineering & Construction has delivered custom-engineered energy solutions to a diverse array of clients. From turnkey facilities to fresh insights that drive decision-making, we offer resilient, innovative and constructible solutions built to thrive in today’s dynamic utility landscape. Transforming the Future of Energy CONTACT CONTACT Inquiries For any inquiries or questions, please call: 603-772-7153 or fill out the following form Contact Us First Name Last Name Email Subject Message Submit Thanks for submitting! Office Waldron Engineering & Construction, Inc. Waldron Engineering of New York, P.C. 37 Industrial Drive, Suite G-1 Exeter, New Hampshire 03833 Telephone: 603-772-7153 Email: sales@waldron.com Employment Waldron is always interested in qualified candidates for employment. If you would like to be part of our award-winning organization, please send inquiries with your resume to: msantosuosso@waldron.com No phone inquiries or recruiters please. Click here for current job postings.

Waldron specializes in engineering, construction, commissioning and testing of utility plants, peaking plants, combined heat and power, renewable energy, central heating and chilling facilities. As a premier power engineering and construction management firm in the US, Waldron prides itself on being a leader in advancing new and emerging energy production technologies and developing ways to bring them to commercial application. About Waldron specializes in engineering, construction, commissioning and testing of utility plants, peaking plants, combined heat and power, renewable energy, central heating and chilling facilities. As a premier power engineering and construction management firm in the US, Waldron prides itself on being a leader in advancing new and emerging energy production technologies and developing ways to bring them to commercial application. Whether you need engineering design, construction management, commissioning, or a full service EPC firm that can take a project from initial concept to final operation, we can partner with you to deliver the best solutions on time and on budget. Our reputation and exemplary skill set is well respected within the energy–focused community, and we would be delighted to share our references with you. Commitment to Employee Ownership In an innovative step forward, Waldron has transitioned to an Employee Stock Ownership Plan (ESOP). This change reflects our unwavering commitment to empowering our dedicated team members by giving them a stake in the company’s future and success. As an ESOP, Waldron fosters a culture of shared responsibility and collective growth, ensuring that our employees are not only invested in their work but also in the prosperity of the company. This transformation enhances our ability to deliver exceptional service and innovative solutions to our clients, as each team member is personally committed to the success of every project. LEADERSHIP OUR PEOPLE HISTORY

At Waldron, commissioning is a thoroughly mapped, step-by-step approach designed to explore the entire operating envelope of a facility and demonstrate the project’s key outcomes have been met. Because of our focused expertise in energy system engineering, we are able to remain constructively engaged throughout the process of testing, troubleshooting, and optimizing a facility’s performance. CONSTRUCTION MANAGEMENT Proven construction management is required to ensure your project is delivered on time and on budget. Our construction management services use a range of contract models such as; Owner’s Agent, CM Fee, Lump Sum, EPC or Guaranteed Maximum Price (GMP). WHAT WE DO Waldron adds significant value to utility projects – our main focus is the construction of these types of ventures – it’s what we do. PRECONSTRUCTION SERVICES Budget Development and Estimating Construct-ability Reviews Value Engineering Scheduling Cash Flow Development Preparing Work Breakdown Packages to Optimize Subcontractor and Vendor Capabilities Prequalification of Subcontractors and Vendors Site Specific Safety Plans Project Specific Quality Plans Site Logistics Plans CONSTRUCTION MANAGEMENT Bid Package Preparation Bid Process Management Construction Coordination and Oversight Equipment and Material Receiving and Warehousing Reporting and Documentation Progress Billing Reviews Change Order and Claims Evaluation Progress Monitoring and Reporting Cost Reporting Safety Plan Monitoring and Reporting Quality Plan Monitoring and Reporting Turnover Package Preparation to the Commissioning Team

At Waldron, commissioning is a thoroughly mapped, step-by-step approach designed to explore the entire operating envelope of a facility and demonstrate the project’s key outcomes have been met. Because of our focused expertise in energy system engineering, we are able to remain constructively engaged throughout the process of testing, troubleshooting, and optimizing a facility’s performance. Projects BAYSTATE MEDICAL CENTER MICROGRID BRIGHAM & WOMEN’S HOSPITAL MICROGRID ERVING INDUSTRIES MICROGRID PROJECT FRITO-LAY MICROGRID HARVARD BLACKSTONE – BOILER 11 UPGRADE JAMAICA BROILERS LYONDELL BASELL MICROGRID MONTCLAIR STATE UNIVERSITY MICROGRID NATICK SOLDIER SYSTEMS CENTER NEWINGTON ENERGY PORTSMOUTH NAVAL SHIPYARD TWA FLIGHT CENTER HOTEL ENERGY CENTER BIOGEN MICROGRID CLAYVILLE PEAKING PLANT FAA – EMERGENCY GENERATOR PROJECTS GENERADORA ELECTRICAL DEL NORTE HARVARD BLACKSTONE – BOILER 13 JAMAICA PRIVATE POWER COMPANY MILFORD REGIONAL MEDICAL CENTER MICROGRID MRMC BATTERY ENERGY STORAGE SYSTEM NATIONAL AERONAUTICS & SPACE ADMINISTRATION ONE BRYANT PARK MICROGRID SIMMONS UNIVERSITY INFRASTRUCTURE IMPROVEMENT PROJECTS UMASS AMHERST BRIGHAM & WOMEN'S BATTERY ENERGY STORAGE SYSTEM COLUMBIA UNIVERSITY FRASER PAPER MILL/NEXFOR HANSCOM AIR FORCE BASE MICROGRID HOWARD M. DOWN GENERATING STATION LONGWOOD MEDICAL ENERGY COMPREHENSIVE STUDY MIT LINCOLN LABORATORY FEASIBILITY STUDY NASHUA WASTEWATER TREATMENT FACILITY NATIONAL INSTITUTES OF HEALTH P&G GILLETTE WORLD HEADQUARTERS CHP TUFTS UNIVERSITY COMMISSIONING

< Back to all projects BIOGEN MICROGRID LOCATION: Cambridge, MA DESIGN START/COMPLETION: Summer 2004 – Winter 2006 SIZE & TECHNOLOGY: 5.0 MW Solar Taurus 60 turbine with HRSG & SCR IN-SERVICE: Commercial Operation, Winter 2006 FIRM ROLE: Engineering, Construction, and Commissioning Support Biogen, a world leader in research and development of multiple-sclerosis treatment drugs required a solution for the high price and poor reliability of utility service at their Cambridge, Massachusetts campus. The solution came in the form of a new central energy plant to serve six buildings with electricity and five with high pressure steam. Waldron served as the engineer of record for the CHP facility which is located in the basement of the biopharma research building. The facility included a dual fuel, 5 MW combustion turbine with a heat recovery steam generator, an SCR system, two dual fuel package boilers, liquid fuel storage, steam distribution system upgrades, and a consolidation of the campus-wide electrical distribution system. The facility was designed to operate with very low noise and vibration and is located one floor below a normally occupied, mixed-use office environment. The scope of services for this project included the following: Dual Fuel Solar Taurus 60 Turbine/Generator 50,000 lb/hr gas fired heat recovery steam boiler with an SCR and CO catalyst Two 50,000 lb/hr Package Boilers Condensate Receiver Deaerator Water Treatment System CEM System New Electrical Distribution System with Switchgear New Steam Distribution System Control Systems

< Back to all projects FRITO-LAY MICROGRID LOCATION: Dayville, CT DESIGN START/COMPLETION: March 2008 – September 2009 SIZE & TECHNOLOGY: 4.5 MW Electric, 100,000 lb/hr steam gas turbine / HRSG IN-SERVICE: Fall 2009 FIRM ROLE: EPC (Engineering, Procure, Construct), Start-up, Commissioning, Close-Out In an effort to manage production costs in the Northeast, Frito-Lay chose to reduce overall energy costs by installing a combined heat and power plant at their Killingly, CT facility. Waldron was selected as the EPC contractor to install a gas turbine based CHP plant in a stand alone building adjacent to the manufacturing plant. The prime mover selected was the 4.5 MW Centaur 50 gas turbine, manufactured by Solar Turbines. Heat is recovered in a Rentech supplemental fired boiler that produces up to a peak steam output of 60,000 lb/hr. Integral in the boiler is a SCR system to control NOx emissions to 2.5 ppm at the stack. The plant was named a Pace Setting Plant in the Combined Cycle Journal, second quarter 2009.

< Back to all projects SIMMONS UNIVERSITY INFRASTRUCTURE IMPROVEMENT PROJECTS LOCATION: Boston, MA DESIGN START: February 2011 PHASE I & II COMPLETE: 2012 PHASE III COMPLETE: 2016 FIRM ROLE: Owner’s Engineer Services, Construction Support, Start-Up & Commissioning Assistance Simmons University retained Waldron Engineering to perform work on various infrastructure improvement projects at their Boston campus. Phase I involved the development of design plans and specifications for the complete replacement of direct-buried steam and condensate distribution piping at the residence campus. The piping network serves the heating and domestic hot water needs of eight student housing buildings and a dining/administration building. Waldron also performed construction support services during the fast-track installation. Phase II was to examine options for a complete relocation of the primary electrical service at the main campus. Drawings and specifications of the preferred option were then developed for the relocation effort. Waldron’s scope also included utility coordination, construction support services and start-up assistance. Phase III involved developing and assisting with the implementation of a phased plan for the complete replacement of boilers and auxiliary steam plant equipment at the main campus Central Heating Plant. Phase 1 and 2 of the project were successfully completed in 2012 with two new boilers going online and Waldron completed Phase 3 in early 2016.

< Back to all projects UMASS POWER PLANT & DISTRIBUTION INFRASTRUCTURE SYSTEM STUDY LOCATION: Worcester, MA START: Fall 2018 COMPLETION: Spring 2019 FIRM ROLE: Engineering Consultant Waldron has been working on projects on the UMass Medical School Campus for over 20 years. The goal of this power plant and distribution infrastructure system study was to develop the most effective solution from a life cycle perspective to meet the evolving needs of the campus over the next 20—30 years. The three utilities that were studied included electric, steam and chilled water. As part of this project, Waldron performed an assessment of existing equipment and infrastructure, reviewed the current operating strategy, developed a conceptual upgrade to the campus metering scheme, and reviewed over twenty capital projects for their potential benefits to the system. For each of these capital projects Waldron conceptualized a project approach, calculated the life cycle outcomes for the campus using an 8,760-hr utility model, developed capital cost budgets for each, and also reviewed the level of urgency and environmental impacts of each. The project included hydraulic modeling of the steam and chilled water distribution systems, modeling of the electrical distribution system, and development of an 8,760-hr utility model with dispatch algorithms for the combustion turbine, three steam turbines, boilers and chillers within the UMMS facility. These models enabled investment grade accuracy for the life cycle cost analysis associated with each of the capital upgrades that were considered for the facility.

At Waldron, commissioning is a thoroughly mapped, step-by-step approach designed to explore the entire operating envelope of a facility and demonstrate the project’s key outcomes have been met. Because of our focused expertise in energy system engineering, we are able to remain constructively engaged throughout the process of testing, troubleshooting, and optimizing a facility’s performance.

< Back to all projects LYONDELL BASELL MICROGRID LOCATION: Lake Charles, LA DESIGN START/COMPLETION: Fall 2007 – Fall 2008 SIZE & TECHNOLOGY: 30 MW Electric 160,000 lb/hr steam gas turbine / HRSG, reciprocating engine / HRSG IN-SERVICE: Spring 2009 FIRM ROLE: EPC (Engineering, Procure, Construct), Commissioning LyondellBasell is one of the world’s largest plastics, chemical, and refining companies with 55 manufacturing sites in 18 countries. Their Lake Charles, LA facility manufactures Polyolefins, a common product found in many household items. It continually ranked in the lowest quarter for energy costs for the LyondellBasell facilities. Waldron, as the EPCC contractor, engineered the systems, procured the equipment, managed the construction and commissioned the new 30 MW stand-alone CHP facility. It included a Solar Titan 130 gas turbine, two Rolls Royce reciprocating gas fired engines, two package boilers and a complete balance of plant system including a remote monitoring system. The design included a site-wide electrical infrastructure upgrade and a fuel-blending station that allowed the CHP equipment to utilize waste gas from the primary on-site processes.

At Waldron, commissioning is a thoroughly mapped, step-by-step approach designed to explore the entire operating envelope of a facility and demonstrate the project’s key outcomes have been met. Because of our focused expertise in energy system engineering, we are able to remain constructively engaged throughout the process of testing, troubleshooting, and optimizing a facility’s performance. CONSULTING At Waldron, commissioning is a thoroughly mapped, step-by-step approach designed to explore the entire operating envelope of a facility and demonstrate the project’s key outcomes have been met. Because of our focused expertise in energy system engineering, we are able to remain constructively engaged throughout the process of testing, troubleshooting, and optimizing a facility’s performance. STEP-BY-STEP GUIDANCE PROJECT DEFINITION In-depth commissioning requires a thorough understanding of project goals. As with all of our services, the starting point is a detailed understanding of the specific financial, environmental and functional criteria established at the project outset. This knowledge informs the planning process. PLANNING There are three levels of planning: project level sequencing of system energization and functional testing with a facility, detailed step-by-step commissioning procedures for each system that guide the start-up and testing processes, and daily plans convened by Waldron’s commissioning manager on-site to coordinate all parties associated with or affected by the work. Much of our work is accomplished in operating facilities and requires a thorough understanding of the impacts commissioning will have on existing systems, as well as the ability to develop contingency plans. TESTING AND RESPONDING Commissioning is not a straight line from A to B: a thorough commissioning process is a daily encounter with the unexpected. Waldron’s commissioning teams excel at providing leadership and technical guidance to clients, contractors and operations teams when troubleshooting is necessary, and are capable of efficiently realigning resources to keep the process moving forward. Given the opportunity, we are not passive observers, but active contributors to the resolution of difficulties encountered. DOCUMENTATION Waldron provides daily reports of commissioning activities, as well as annotated procedures that document the step-by-step outcomes realized during the commissioning process. The result is a wealth of information for the facility owners and operators. It is possible to understand exactly what was tested, what worked and what didn’t and why, and how the deficiencies were resolved. The result is a clear roadmap for future operations.