Eversource Utilities Distribution Services
Electric Utilities · Client: Eversource Utilities
Project details
Distribution engineering and design support services for Eversource Utilities.

The name you trust for power generation, transmission and distribution infrastructure engineering services
Asplundh Engineering Services, LLC (AES) delivers utility infrastructure engineering, design, planning, and testing services. Backed by the financial strength of the Asplundh enterprise, AES serves the utility industry across transmission, distribution, substation, and renewable infrastructure markets. Its customers include investor-owned, municipal, and cooperative utilities, large power users, government agencies, general contractors, industrial and commercial developers, renewable energy developers, and EPC organizations.
Engineering, design, planning, and construction management services for new and existing aerial and underground distribution facilities.
Development and layout of new electric distribution systems.
Investigations of existing distribution systems and National Electrical Safety Code compliance surveys.
Voltage stability studies and structural design for smart network devices.
Physical reinforcement and structural upgrading of distribution infrastructure.
Pole analysis utilizing industry software and third-party pole attachment surveys.
Geographical Information System mapping, detailed design drawings, installation plans, and equipment selection.
Economical design and implementation of overhead and underground transmission routing through various types of terrain or right-of-way limitations, from 69kV to 500kV.
Full-service engineering of new and existing overhead and underground transmission lines.
Line rating calculations, line rating increase solutions, and PLS-CADD line modeling.
Routing studies, cost estimates, and line permitting through construction bid specifications.
Evaluation of existing physical line conditions and structural integrity.
Engineering of underground transmission alignments and duct banks.
Substation engineering packages and comprehensive protection and control system services.
Full-service substation engineering, design, and physical layout packages.
Associated relaying, protection, and control systems design.
Engineering, consulting, project management, and staffing services for power generation and renewable energy infrastructures.
Engineering and consulting services for new and existing conventional power generation facilities.
Project management, consulting, and specialized staffing services for renewable energy developers.
Gas distribution and transmission engineering, design, planning, and construction management services for new and existing pipeline and underground facilities.
Three-dimensional and two-dimensional design in AutoCAD, Civil 3D, Plant 3D, and AVEVA.
Pipeline alignment, sizing, wall thickness, fitting and material selection, regulator sizing, valve replacement, and valve automation.
Service design through meters, foundation packages for skid-mounted equipment, site grading, engineered bore designs, and launcher/receiver designs.
Integrity analysis, hydraulics, system optimization, and gas handling or gas control plan development.
Instrumentation, electrical, and SCADA design for gas pipeline facilities and equipment.
Engineering and support services tailored for commercial developers, utilities, independent power producers, and transit infrastructure.
Infrastructure engineering driven and built for developers, utilities, and independent power producers.
A full suite of associated engineering services for transit organizations.
Electric Utilities · Power Transmission & Distribution · Utilities · Renewable Energy · Power Generation · Transit · Oil & Gas
Electric Utilities · Client: Eversource Utilities
Distribution engineering and design support services for Eversource Utilities.
Oil & Gas · Client: San Diego Gas & Electric (SDG&E)
Gas distribution engineering and integrity management program support for SDG&E.
Oil & Gas · Client: San Diego Gas & Electric (SDG&E)
Risk assessment and mitigation program services for SDG&E's gas distribution infrastructure.
Power Transmission & Distribution
Transmission line engineering, modeling, and maintenance design support.