Substation and Protection & Controls Engineering

Welty Energy’s experienced substation engineering professionals have excelled at providing electric utility clients with innovative design solutions for new and expanded substation projects. Our experience includes greenfield sites as well as the upgrade and expansion of existing substations. Welty is committed to supporting your substation projects from the planning and conceptual design stages through detailed design, construction, and commissioning. 

WELTY ENERGY’S SUBSTATION ENGINEERING SERVICES INCLUDE:

• New and expanded substation design (12kV to 500kV)
• Major equipment design including power transformers, SF6 breakers, disconnect switches, regulators, capacitor banks, station service transformers, CCVT/PT/CT’s, wave traps, surge arresters, and control buildings/switchgears
• Ground grid analysis and design
• Lightning protection analysis and design
• Physical design including take-off structures, steel support structures, slack and rigid bus, foundation design, security, and lighting
• AC and DC system analysis and design
• Conduit/cable plans and schedules
• Bill of material lists and procurement support
• QA/QC and owner’s engineer services
• Standards development
• Interconnection studies
• Protection and control design
• Cable voltage drop calculations
• SCADA design

How We Support Transmission Line Systems

Welty Energy’s experienced transmission line engineering professionals have an extensive history of providing complete and innovative design services for large electric utilities throughout the Eastern U.S. For voltages up to 500kV, we have the knowledge and experience to prepare economically efficient designs for projects of all sizes and complexity.

Serving as an extension of our clients’ teams, we collaborate with them to design, construct, and maintain the high-voltage systems that provide safe and reliable power to the homes and businesses that they serve.

TRANSMISSION LINE ENGINEERING SERVICES INCLUDE:

• Transmission line modeling using PLS-CADD
• Wood and steel pole modeling and analysis using PLS-POLE
• Steel lattice tower modeling using PLS-TOWER
• Line rebuild design and analysis
• Route selection and optimization
• Distribution underbuild design
• Development of material standards
• Preparation of bills of material
• Preparation of material and construction specifications
• Lattice tower retrofit design
• QA/QC and owner’s engineer services
• Standards Development
• Interconnection Studies
• NERC alert analysis and remediation
• LiDAR surveys

GENERATING RESULTS
THAT EXCEED EXPECTATIONS

Welty Energy has successfully delivered value-added project management services to our electric utility clients’ capital improvement projects. During all phases of a project, Welty project managers work closely with our clients’ teams to effectively plan projects, mitigate risk and drive projects from initiation through in-service, with a goal of completing 100% of projects safely, on time and within budget. 

Welty is committed to delivering your projects to completion as an extension of your internal project management organization. Our project managers have in-depth knowledge and experience managing an array of energy infrastructure projects including, but not limited to, greenfield substations, transmission lines, substation expansions, breaker replacements, transmission line rebuilds and terminal upgrades. 

WE ARE WELTY

Welty Energy is a professional services company specializing in program and project management, transmission line engineering, substation engineering and construction oversight on electric utility projects. We’re committed to the highest safety standards while ensuring each project comes in on time and under budget. This dedication results in zero lost time for our customers, accelerating timelines and minimizing ongoing operational costs.