Patterson & Dewar Engineers has been developing and delivering valuable engineering solutions for over six decades. P&D has earned a well-deserved reputation for excellence in planning and designing for a wide range of transmission, substation and distribution projects serving the following markets:

• Electric Utilities
• Wind Energy
• Solar Energy

We serve over 60 municipal, cooperative and investor-owned utility clients across the United States delivering traditional engineering services such as line staking, system planning, transmission and distribution line design, substation design, and civil site engineering and land surveying. Additionally we assist our clients with consulting services in key Smart Grid areas:

• Cost of Service and Marginal Rate Analysis
• Supervisory Control and Data Acquisition (SCADA) Systems
• Advanced Metering Applications
• Relaying Systems and Protection Solutions