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Renewable Energy Project Development and O&M Services
Since 2000, our team has specialized in renewable energy project management, delivering expertise in solar and wind systems for commercial and institutional clients. With a focus on innovation and sustainability, we handle projects ranging from 11 kW to 300 MW, supported by certified engineers licensed in Wisconsin and Minnesota. Our achievements include securing over $7 million in grants for wind projects and pioneering operations for community-scale renewable energy initiatives. Our headquarters showcase cutting-edge technologies, including grid-tied solar and a green roof, reflecting our commitment to sustainable practices. We provide comprehensive services, from feasibility studies and permitting to construction management and ongoing maintenance.

Our teams deep technical knowledge and dedication to quality ensure reliable solutions tailored to client needs. With extensive experience in wind turbine siting, noise studies, and FAA permitting, we deliver projects that balance efficiency and environmental responsibility. Our operations and maintenance division supports wind, solar, and biodigester projects across the Midwest, ensuring optimal performance and longevity. We prioritize safety, transparency, and client collaboration, fostering long-term partnerships built on trust and expertise. Backed by two decades of experience, we remain a leader in advancing renewable energy solutions for a sustainable future.
Services
Wind Project Development Solar EPC Services Operations & Maintenance Feasibility Studies Permitting Assistance Wind Measurement Noise Studies Construction Management Turbine Siting Interconnection Design
Details
  • Year established: 2000
Highlights and features
  • We have over 20 years of experience in commercial-scale renewable energy projects.
  • Our team includes certified professional engineers licensed in Wisconsin and Minnesota.
  • We have secured over $7 million in grants for renewable energy initiatives.
  • We offer end-to-end services from feasibility studies to long-term maintenance.
  • Our operations span wind, solar, and biodigester projects across four Midwest states.
Services
Wind Project Development
We specialize in end-to-end wind project development, from site assessment and permitting to construction management. Our expertise includes turbine layout optimization, wind speed modeling, and FAA compliance. Clients benefit from our proven track record in projects ranging from 11 kW to 10 MW, ensuring efficient, scalable solutions tailored to their energy needs.
Solar EPC Services
Our solar EPC services cover design, permitting, and construction of commercial-scale systems up to 330 kW. We handle grid-tied and off-grid installations, integrating advanced technologies for maximum efficiency. Clients receive turnkey solutions that meet regulatory standards while delivering reliable, sustainable power for businesses and institutions.
Operations & Maintenance
We provide comprehensive operations and maintenance for wind, solar, and biodigester projects across the Midwest. Services include remote monitoring, scheduled maintenance, and rapid response to faults. Our team ensures system longevity and performance through proactive care, backed by specialized tools and experienced technicians.
Feasibility Studies
Our feasibility studies evaluate technical, financial, and regulatory aspects of renewable energy projects. We deliver detailed pro formas, production estimates, and risk assessments to guide informed decision-making. Clients gain clarity on project viability, costs, and long-term returns before committing resources.
Permitting Assistance
We streamline permitting for wind and solar projects, managing FAA approvals, county permits, and noise studies. Our team ensures compliance with local, state, and federal regulations, reducing delays and mitigating risks. Clients benefit from our established relationships with regulatory bodies and deep understanding of compliance requirements.
People
Wes E. Slaymaker
President
A registered Professional Engineer with 17 years in wind energy, Wes leads WES Engineerings renewable projects. He oversees turbine layout, permitting, and construction, leveraging expertise from 35 kW to 10 MW projects. He holds a Mechanical Engineering degree from Georgia Tech.
Diana Cohen
Vice President
Diana manages daily operations and project logistics, including solar design and procurement. Her career spans energy conservation programs and renewable project coordination, bringing operational efficiency and client-focused solutions to WES Engineerings initiatives.
Roy Kryzer
Wind Technician II
Roy supports turbine maintenance and farm operations with over a decade of electrical and agricultural experience. He ensures equipment reliability and oversees parts storage, combining technical skills with hands-on project maintenance in wind energy systems.
Eric Meyer
Wind and Solar Technician III
Eric specializes in advanced wind and solar system repairs, ensuring optimal performance across diverse projects. His technical expertise and problem-solving skills address complex maintenance challenges, supporting long-term system efficiency and client satisfaction.
Jim Neidel
Wind and Solar Technician III
Jim delivers expert maintenance for wind and solar installations, combining field experience with technical precision. His work ensures system reliability and compliance with safety standards, contributing to WES Engineerings reputation for quality service.
Questions
What services does WES Engineering offer?
We provide renewable energy project development, operations and maintenance, feasibility studies, permitting, and technical consulting for wind, solar, and biodigester systems.
How long has WES Engineering been in business?
We have specialized in renewable energy since 2000, with expertise in commercial-scale wind and solar projects.
What project sizes do you handle?
We manage wind projects from 11 kW to 10 MW and solar projects up to 330 kW, tailored to client needs.
Do you offer maintenance for existing systems?
Yes, our O&M services include remote monitoring, scheduled maintenance, and rapid response for wind, solar, and biodigester projects.
Are your engineers licensed?
Our team includes certified professional engineers licensed in Wisconsin and Minnesota, ensuring regulatory compliance and technical excellence.
What areas do you serve?
We operate across Wisconsin, Minnesota, Iowa, and Illinois, with a focus on Midwest renewable energy projects.