Powering Illinois: Ruiz Construction Supports Completion of Major ComEd Substation
At Ruiz Construction Services, we’re honored to contribute to the advancement of Illinois’ energy infrastructure. On July 15, 2025, we joined ComEd, Ringland-Johnson Construction (RJC), and local leaders to celebrate the ribbon cutting of the Itasca TSS101 345kV GIS Substation—a transformative project for the region.
This upgraded substation marks a major milestone in providing safe, reliable, and resilient power to homes and businesses across DuPage County and beyond.
A Collaborative Effort to Modernize the Grid
The project featured state-of-the-art gas-insulated switchgear (GIS) technology, enabling higher efficiency, reduced maintenance, and more compact design compared to traditional substations.
We were proud to work alongside:
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ComEd, the region’s energy leader
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Ringland-Johnson Construction, a valued partner and general contractor
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The Village of Itasca and DuPage County officials who supported the build
This effort exemplifies the value of collaboration, trust, and technical excellence.
Strengthening Infrastructure, Empowering Communities
The upgraded substation will:
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Enhance grid reliability for thousands of residents
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Prepare the region for future energy demands
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Support integration with renewable and sustainable energy systems
As an experienced construction partner on critical infrastructure, Ruiz Construction remains committed to building projects that matter—for people, progress, and the power of tomorrow.
Trusted Partners in Power & Infrastructure
We extend our appreciation to Ringland-Johnson Construction for their partnership throughout this project. Their expertise and leadership have been instrumental in delivering this success.
See It for Yourself
Check out the full press release via BusinessWire:
🔗 ComEd Unveils New Power Infrastructure Upgrades at Itasca Substation
Exterior of the completed Itasca TSS101 345kV GIS Substation
