Sustainability & Safety

Navigate a changing industry and adapt to fluctuating demand with our specialized expertise in renewables, including biodiesel, ethanol, solar power, oil and gas, and specialty chemicals. Using innovative engineering and construction methods, Interstates is able to both speed up the job and save costs for the owner. We provide a multitude of solutions to facilities throughout the world, focusing on sustainability and safety as we guide you through projects large and small.

Delivering Results

From building new plants to adding onto existing facilities, we leverage our design-build expertise, technical knowledge, and industry longevity to successfully deliver your project. If you're not finding what you're looking for, explore our full range of services.


Take key manufacturing processes offsite to cut installation time, fill labor gaps, and stay on schedule.

3D Modeling

Building information modeling and design enables us to plan and install equipment earlier, getting your project done faster.

Whiteboard Scheduling

A visual, open flow of information brings innovation to your project schedule and keeps trades informed and communicating.

Consulting Services

We'll identify risks at your facility and offer effective solutions through arc flash studies, grounding audits, and power system studies.

Maintenance & Support

Maximize your facility's performance and boost safety with our hazard monitoring audits and E&I support solutions.

Outside view of an ethanol plant.

Expertise You Can Count On


You'll benefit from our wide breadth of experience in the bio-energy market, from greenfield builds to support for existing facilities, including upgrades, service calls, ongoing maintenance, and local regional support.

Our team uses 3D design and in-shop fabrication of major assemblies to contribute to the success of our projects. This advanced engineering and planning are especially apparent when incorporating new processes into existing operations with minimal downtime.

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Bio-energy facility.

Solar Power

Recognizing the challenges in the solar industry, Interstates, alongside our 1,400-member team and 13 regional offices, offers a holistic solution. We navigate regulations, embrace technological advancements, and prioritize sustainability. We thrive on solving your most complex challenges to ensure your facility stays up and running, and we do what it takes to deliver your solar power solution on schedule, on budget, and on target with your needs. Our portfolio of electrical solutions equips us to handle all aspects of your next solar project.

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Aerial view of solar panels in a field.

Featured Project AI-Corn Clean Fuel Ethanol Plant

Interstates provided a complete electrical package for Al-Corn Clean Fuel’s 70MMGPY ethanol plant expansion located in Claremont, MN, more than doubling the plant’s capacity. With thoughtful planning around weather and a focus on reducing risk in the face of tight schedules, the expansion was completed on schedule and without a recordable incident.

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Exterior view of Al-Corn plant.

Related Projects

Gevo Biogas Purification Site

Interstates recently worked with Gevo to build a central biogas purification site and connect it to three different dairies in Northwest Iowa.

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Chemical Formulation Site

Interstates provided a network design to improve redundancy, simplify the network, increase bandwidth, and replace end-of-life equipment at a key chemical formulation site in the Midwest.

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Franklin Solar

Interstates provided the electrical installation of a 7-megawatt solar field with single-axis tracking in Franklin County, IA.

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Get in Touch

Contact a member of our team to learn more about how we can support your plant with expansion, digital transformation, reliability, speed of delivery, overhead reduction, and more.