R.E. Warner & Associates was honored to be on-site for the groundbreaking of Pacific Steel Group’s new Mojave Micro Mill in Kern County, California.
Designed to be a zero process carbon emissions rebar mill, this transformative project is the first steel mill to be built in the state in over 50 years and is set to establish new industry standards for emissions reduction. By using hybrid mill technology and a renewable energy portfolio in a unique Micro Mill configuration,
the steel produced at this facility is expected to be 85% to 90% cleaner than any rebar produced anywhere else in the world.
Once complete, the Mojave Micro Mill will fully integrate PSG’s reinforcing steel manufacturing operations.
At full capacity, it will recycle nearly half a million tons of locally sourced steel scrap into upwards of 450,000 tons of high-quality, seismic-grade rebar, pre-assembled rebar cages, and post-tension cables. The project will also make a sizable economic impact in the region – with a total investment exceeding $600 million, the mill will create more than 400 permanent jobs.
REW'S ROLE
Having worked on 20% of the micro mills in the United States, R.E. Warner is proud to be contributing to this pioneering project by
providing comprehensive engineering and design services to install the new Micro Mill. Working in close collaboration with the PSG and
Danieli teams, our scope of work has included site layout, structural, electrical, piping, HVAC, and plumbing engineering, and architectural services for buildings, equipment, water systems, roads, and utilities. REW’s services have further included county application engineering, preliminary engineering, and construction documents.
Learn more’s about R.E. Warner’s
capabilities and
expertise in the metals industry.
DESIGNED FOR ADVANCED SUSTAINABLE STEELMAKING
The project’s design leverages on-site and nearby renewable energy sources, electrification, and a local supply chain. Of the 174-acre site, 63 acres will be dedicated to producing renewable energy, directly powering steel manufacturing operations.
Further, the Micro Mill will incorporate a cutting-edge carbon capture system to reduce CO₂ emissions, as well as secondary, high-efficiency filtration to mitigate nitrogen oxides.
Additional features PSG opted to incorporate include:
- Wet scrubber to control particulate matter
- Two baghouses in series for air filtration and dust control
- NOx control using air lances and selective non-catalytic reduction (SNCR) with urea injection
- Heat recovery air exchangers for improved air circulation and energy efficiency
- Activated Carbon Injection (ACI) for control of volatile organic compounds (VOCs) and mercury
Finally, the location of the mill eliminates the need for long-haul transportation of scrap and finished steel in and out of California. This localized approach cuts carbon emissions, provides a cost advantage, and supports infrastructure development throughout the state, including Southern California’s rebuilding efforts.
For more details about the mill’s specifications,
click here.
View News Coverage of the Project:
R.E. Warner is excited to be playing a role in shaping the future of green steel production and supporting PSG’s vision for a cleaner, more efficient steel industry.
Planned for commissioning in early 2027, the Mojave Micro Mill will redefine sustainable steelmaking, proving that it is possible to meet growing demand for construction materials while significantly reducing industrial emissions.
For updates on R.E. Warner’s work and other exciting projects, stay tuned to our website and follow us on
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