Electrical infrastructure
Grid Upgrades
Engineering and testing support for electrical grid modernization — from aging substation equipment replacement to distribution system improvements that improve reliability and capacity.
Modernizing the Grid, One Project at a Time
Aging electrical infrastructure is one of the most pressing challenges facing utilities, municipalities, and industrial operators today. Equipment installed decades ago was designed for load profiles and reliability expectations that no longer reflect current demands. Grid upgrade projects — whether driven by capacity growth, equipment end-of-life, or reliability mandates — require careful planning, precise execution, and independent verification at every stage.
J. Wesley Services Group provides testing and commissioning support throughout the grid upgrade process. We work alongside engineering firms, contractors, and owner representatives to ensure that new and upgraded equipment is installed correctly, tested to NETA standards, and documented for long-term reference before it is energized.
Upgrade Services We Support
Substation Equipment Replacement
Testing and commissioning of replacement transformers, switchgear, circuit breakers, and protective relay systems during substation modernization projects. We verify that new equipment meets NETA ATS acceptance criteria before energization.
Distribution System Upgrades
Acceptance testing of new distribution feeders, reclosers, sectionalizers, and associated protection systems. We confirm proper installation, correct relay settings, and cable insulation integrity across upgraded distribution circuits.
Protection System Modernization
Testing and calibration of modern digital protective relay systems replacing electromechanical or solid-state predecessors. We verify relay settings, functional operation, and coordination with upstream and downstream protection devices.
Capacity Expansion Projects
Commissioning support for new substation additions, transformer bank expansions, and bus extensions. We provide independent verification that expanded systems are ready for service and that existing equipment interfaces correctly with new additions.
Grounding System Verification
Ground resistance testing and grounding system verification for upgraded and new substation installations. Proper grounding is fundamental to personnel safety and equipment protection — we confirm it meets design specifications before energization.
Documentation and Baseline Establishment
Comprehensive test reports for all upgraded equipment, establishing a documented baseline for future maintenance testing. Owners receive complete records suitable for warranty claims, insurance, and long-term maintenance planning.