OneLine Engineering Services

OneLine Engineering is a specialized power system engineering services provider with years of demonstrated experience. We provide complete services from project conception to project energization. Our success comes from providing hands-on detailed engineering services to our clients on a long list of challenging substation and power system upgrade and greenfield projects.

Specialized Power Engineering Services

We work closely with our clients to solve their challenging design problems to achieve a successful project outcome. Providing specialty power system engineering services for substations is the very core of our company.

EPC Substation Engineering Services

Working with our EPC partners for years, and receiving continuous feedback from them, we fully understand the quality of services needed to get the job done safely, on schedule, and on budget.

Transmission & Generation Substation Engineering

Working with our EPC partners for years, and receiving continuous feedback from them, we fully understand the quality of services needed to get the job done safely, on schedule, and on budget.

OneLine provides a complete line of power system engineering and design services. Using advanced design software, we work closely with our clients to solve their difficult design problems and achieve a successful project outcome. Our specialty services are the very core of our company. 

Our Engineering Services include:

 Load flow and short circuit calculations

 Motor starting analysis

 Insulation coordination studies

 Capacitor bank switching studies

 TVR studies

 Transformer inrush studies

 Reactive power compensation studies

 Protection relay coordination studies

 Protection relay settings and configuration

 Substation RTU and HMI configuration

 Power cable sizing calculations

 Arc flash hazard calculations

 Grounding studies and analysis

Our Project Design services include:

 Complete Project Management services

 Connection application assistance

 Power system analysis and studies

 Detailed equipment and installation specifications

 Detailed protection and control system development and design

 Detailed teleprotection scheme development and design

 Detailed relay panel and E-house design

 Substation automation and system integration design

 Detailed engineering drawing packages

 Commissioning and testing assistance

Quality Assurance

We are committed to providing quality engineering services to our customer base. Our goal is to meet and through continual quality improvement, exceed customer expectations. For further details click on the links below.

OneLine Engineering has successfully completed over 60 substation engineering projects ranging from 27.6 kV up to 500 kV