Renewable Energy

Learn about our renewable energy and distributed generation solutions


Civil Engineering & Surveying

Site development, structural and environmental engineering, and land surveying.


Power Delivery

P&D offers a comprehensive suite of distribution system and field services.

Proudly Serving Clients Since 1947

Utility Solutions

We specialize in planning, designing, and evaluating vital power delivery infrastructures for our electric utilities clients including substations, distribution and transmission lines, SCADA systems, smart grid applications, renewable energy systems, and more.

Civil Engineering & Surveying

Our civil engineering and land surveying services including site development and land planning, environmental planning and reporting, structural design and analysis, and specialized route surveys for transmission and distribution lines.

Testing & Commissioning

P&D offers comprehensive testing and commissioning of complex electrical and mechanical components, equipment, systems and controls for utilities and other mission-critical facilities across the United States and around the world.

Smart Grid Solutions

Clients count on P&D for automation, control, and communication solutions for managing power delivery infrastructures with services such as operational technology planning, design and implementation, application integration, microgrid consulting, and more.

About Patterson & Dewar

At P&D, we are adept at addressing the unique challenges our clients face. We craft high-value, enduring relationships with clients who depend on us for unrivaled expertise, quality-assured engineering, and results-oriented solutions.

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Careers at Patterson & Dewar

Rated one of the AJC’s Top Workplaces, P&D is a cohesive and collaborative team of talented people. We offer competitive compensation, a comprehensive benefits package, and the opportunity to learn, grow and contribute to a vibrant culture that stands the test of time.

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