GRP|WEGMAN is your trusted partner in transforming infrastructure challenges into opportunities. We specialize in comprehensive water and wastewater solutions, including advanced metering infrastructure, SCADA system integration, sustainable biosolids management, and effective water loss remediation. Our expertise also extends to designing and installing microgrid projects, solar energy installations, high-efficiency HVAC systems, intelligent building automation, and cost-effective LED lighting upgrades. With a focus on seamless implementation and substantial long-term savings, we help cities, schools, universities, and institutions build smarter, more sustainable communities. GRP|WEGMAN: Innovation from concept to completion.
We simplify the complex. With decades of experience and a proven track record, GRP|WEGMAN delivers turnkey infrastructure solutions tailored to your community’s unique needs. From water and wastewater upgrades to microgrid resiliency projects, solar energy, HVAC, building automation, and LED lighting, we provide expert guidance, seamless execution, and measurable results. Our goal is to help mission critical facilities, municipalities, schools, etc. modernize, save money, and build a sustainable future—with no wasted time, no unnecessary complexity, and no surprises.
Customer testimonials
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Our Clients Receive:
We integrate solar, battery storage, generators, and utility power into a single intelligent network that operates independently or alongside the grid. Our microgrid solutions are engineered specifically for critical load facilities such as airports, water and wastewater operations, detention centers, and similar facilities where uninterrupted power is non-negotiable.
Every project begins with a comprehensive assessment of your facilities, where we identify inefficiencies, evaluate utility operations, and uncover opportunities to redirect operational dollars toward long-term savings across your entire portfolio.
We design and deliver the thermal and electrical backbone of large-scale energy distribution, managing every phase from concept through completion. By designing systems tailored to your operational demands, we deliver optimized, cost-effective power across complex, high-demand facilities and campuses.
We help target and resolve the systems, equipment, and operational practices driving unnecessary energy expenditure in your facility across building envelope, HVAC, water, wastewater systems, and other functions. We serve higher education campuses, K–12 school districts, counties, cities, airports, detention centers, water and wastewater facilities, central energy plants, and many others.
We deliver turnkey solar solutions with real-time monitoring, performance guarantees, and seamless integration into your existing infrastructure. Whether ground-mounted or rooftop, our solar installations are engineered to maximize energy production and accelerate your return on investment.
We engineer and implement lasting improvements across your fleet of buildings, utility assets (e.g. smart water meters), automation systems, lighting, and similar infrastructure, systematically driving expense reduction across the energy your facilities consume and the capital your organization spends. By addressing inefficiencies at every level, we ensure that the savings we deliver today compound over time, continuously strengthening your bottom line for years to come.
Efficient, Sustainable and Resilient
Let GRP|WEGMAN be your trusted partner in creating more efficient, sustainable, and resilient water and wastewater systems. Contact us today to learn how we can help you achieve your infrastructure goals.

With 32 years of distinguished experience in the energy sector, Mike Wilson serves as your strategic facilities, water, and energy infrastructure partner the Southeast United States. Mike brings extensive expertise from his leadership role at Duke Energy, where he led business and community engagement initiatives across South Carolina.
As your dedicated project executive, Mike builds and maintains long-term partnerships. His consultative approach ensures that your voice is heard, your goals are understood, and your objectives are achieved through every phase of your project—from the initial consultation through final commissioning and years of smooth service experiences.
Mike deeply understands the role of asset stewardship, as he serves on the board for a public university, school district, and alternative school, giving him unique insight into the challenges and opportunities facing educational institutions today.
With nearly three decades in the utility and energy services industry, Mike's wealth of experience and commitment to community service position him as an invaluable partner in helping your organization develop infrastructure solutions that reduce operational costs, increase operational revenues, and transfer performance risks from your institution to GRP|WEGMAN.
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Operational Agility
We are nimble and responsive, empowering our team to make decisions quickly without bureaucratic delays. Our executives are actively involved in every phase of your project, ensuring quick solutions and client advocacy at every step.
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Transparency & Honesty
For over 70 years, we’ve placed our clients’ needs first, consistently delivering efficient,cost-effective solutions. We stand by our Financial Guarantee,ensuring that projects are completed on time and within budget,with no surprises—only solutions.
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Reliability & Trust
Our commitment to your project doesn’t end with design; we take full responsibilityfor its execution. This end-to-end approach eliminatesdisconnection between design and implementation, resulting in seamless projectdelivery. With no contract cancellations or litigation in ourhistory, we’ve proven ourselves to be a reliable, trustworthy partner.
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Client-Centric Approach
From consultation to project completion, we put you first. We take the time to understand your specific needs and tailor our flexible procurement and financing options to meet your goals. Our promise is timely execution, minimal disruption, and measurable results that align with your operational objectives.
Where Excellence is Standard
At GRP|WEGMAN, we don’t just build—we revolutionize infrastructure and power efficiencies. Partner with us for a project built to last, and experience the GRP|WEGMAN way—where excellence is standard.