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Bowman acquires solar modeling company Sierra Overhead Analytics

By Kelly Pickerel | October 6, 2025

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Bowman Consulting Group, a national engineering services and project management firm, has acquired the assets of California-based Sierra Overhead Analytics (SOA) and its technology affiliate ORCaS.

SOA is an engineering firm providing technology-centric civil design, precision mapping and hydrology services to a wide range of energy and general infrastructure customers. ORCaS provides proprietary tools for SOA that enable the delivery of specialized design automation, location optimization and hydrological studies to its clients, which includes data centers and energy developers and operators. Consistent with Bowman’s current business model, the acquired tools will be available as proprietary, value-add service enhancements and efficiency enablers to employees and customers exclusively.

“The acquisition reflects our continuing commitment to technology-enabled growth focused on lifecycle engineering,” said Gary Bowman, founder and CEO of Bowman. “Adding these new customers, digital offerings and optimization tools enhances our value proposition and positions Bowman for accelerated organic growth in markets where technology and sustainability are driving increasing demand.”

“Joining forces with Bowman unlocks tremendous opportunities to accelerate innovation and expand the reach of our technology,” said Owen Ransom, president of SOA and ORCaS. “Our teams share a common vision for how engineering and software can work together to solve complex infrastructure challenges, and I am excited to see our people, tools and expertise scale within Bowman’s national platform.”

Bowman recently launched its Office of Innovation, which will oversee the integration of ORCaS technologies in the company’s operations and service lines.

News item from Bowman

About The Author

Kelly Pickerel

Kelly Pickerel has more than 15 years of experience reporting on the U.S. solar industry and is currently editor in chief of Solar Power World.

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