Transmission & Distribution Consulting
Product & Service Offerings
New lines, line additions, line improvements, line relocations, line
removals, substations, and substation additions all require extensive planning and budgeting. We can provide
a complete service or supplement your work force.
Using the latest software, we can assist you with
contingency analysis, reliability studies, and other planning studies.
Business Process Improvement
The identification of issues that obstruct the utility or business unit from
meeting its goals is the first step in gaining and maintaining a competitive
business advantage. Since 1993 Yanco Associates has performed this work at major
We can support your staff or take on entire projects. From hardware to plan
and profile drawings to structure designs, Yanco Associates can help you
complete your projects.
With experience on some of the largest T&D projects in the world (lines and
substations), we can support you on a single project or establish a Project
Management Office to support several projects at the same time.
Yanco Associates can provide the field assets to support a simple line
relocation or a major transmission expansion program.
Utilities are quickly finding that transmission assets in the deregulated
environment are a challenge to operate effectively and efficiently, but also an
opportunity to improve earnings. We provide knowledge and experience starting
with asset strategic planning and including the complete asset life cycle
From analysis software to line design software to SCADA/EMS systems, we can
assist you in planning, product selection, and system implementation. We
understand the combined requirements of transmission operations for
asset-centric and operations-centric support systems operating in unison to
provide a total operations and maintenance solution
Transmission Work Focused on System Planning, System Analysis, Business
Process Improvement, Design, Project Management, Construction Management, Asset
Management, and Information Technologies.
Typical T&D Services
- Long and short range planning studies.
- Power systems analysis.
- Current business process review--a walk through of major functions
(needs identification, records, data, line siting, design, permitting,
project management, construction, records, etc.).
- Business process, system, and data assessments based on both future and
current processes and systems that are used to facilitate the work.
- Transmission line design and substation design from 25 kV to 500 kV.
- Project/program management.
- Construction management.
- Asset management, maintenance management, and materials management.
- Information technologies, including SCADA/EMS, GIS, Asset Management
Systems, Transmission Work Management Systems, line design applications, and
network analysis applications.
Representative T&D Experience of the Yanco Associates Team
- Arabian American Oil Company (ARAMCO) - Design of over 350 miles of
transmission lines in the Eastern Province of Saudi Arabia, including double
circuit 230 kV, single and double circuit 115 kV and single circuit 69 kV.
- Arabian American Oil Company (ARAMCO) - Design and implementation of new
nine master SCADA/EMS system for ARAMCO in the Eastern Province of Saudi
Arabia. The system included retrofitting 25 existing substations with new
RTUs, new RTUs for the new substations, the master station, communications,
Sequence of Events recorders, and weather stations.
- Royal Commission for Jubail and Yanbu, Jubail Industrial City -
Comprehensive system planning studies for the development of the 115 kV,
34.5 kV, and 13.8 kV underground transmission and distribution systems to
serve the industrial and residential complex. The project included a ring of
eight 115 kV Gas Insulated Substations feeding the primary industries, a
network of 34.5 kV substations serving the secondary industries, and a
network of 13.8 kV substations serving the residential area.
- New England Power Company - Implementation and project responsibility to
upgrade transmission capacity, including GIS installations at Tewksbury 345
kV, Golden Hills 345 KV to 115 kV to pipe cable to New Boston. Hydro Quebec
phase 1 - HVDC station design/selection, DC line design participation,
relocation responsibility for 115 kV lines and construction of new 345 kV
lines on existing ROW. Asset responsibility for all AC and DC lines and
stations - NEPCo, MECo, and Granite State Electric.
- Business Process - Work in consortium with major utility software
suppliers to design a combined work management and asset management solution
for the management of 28,000 miles of transmission and 3000 transmission
- Occidental of Elk Hills, Inc. - Preliminary design of 450 MVA, 230/115
kV receiver substation and associated transmission interconnections to
support a major upgrade to OEHI's production facilities.