High Voltage Services
TRANSMISSION & DISTRIBUTION
SUBSTATION
EMERGENCY & STORM RESTORATION
POWERING WHAT
MATTERS MOST
J.W. Didado Electric delivers comprehensive high-voltage services
that support the backbone of our nation’s power grid. From long-
distance transmission lines to complex substations and rapid-
response storm restoration, our crews bring safety, reliability,
and proven expertise to every job. We work closely with utilities,
cooperatives, and large facilities to plan, build, maintain, and
restore critical infrastructure—on time and on budget.
TRANSMISSION & DISTRIBUTION
POWER LINE CONSTRUCTION
AND MAINTENANCE
J.W. Didado Electric provides full-service transmission
and distribution line construction, including new builds,
reconductoring, energized maintenance, and system upgrades.
Our highly trained crews perform work on voltages ranging
from 4kV to 765kV, with a commitment to safety, reliability,
and performance. Whether it’s rural access or energized urban
environments, we’re equipped to deliver results on any scale.
OUR CAPABILITIES INCLUDE:
• New overhead transmission and distribution
line construction
• Underground distribution system installation
• 4kV through 765kV line work
• Energized maintenance using live-line techniques
• Reconductoring and voltage upgrades
• Pole setting, framing, and conductor stringing
• Fiber optic and OPGW installation
• Distribution automation support
• Street lighting and system conversions
• Foundation installation and right-of-way access solutions
SUBSTATION
COMPREHENSIVE
SUBSTATION CAPABILITIES
J.W. Didado delivers turnkey substation solutions—from
design-assist and site development to equipment installation
and energization. We serve utilities, co-ops, and large industrial
clients with the ability to construct, expand, and maintain
substations at any voltage class. Our in-house crews provide the
structural, electrical, and protection system expertise needed to
keep critical infrastructure online.
WE DELIVER EXPERT SERVICES SUCH AS:
• Greenfield and brownfield substation
construction
• Substation expansions and rebuilds
• Bus, switchgear, and breaker installation
• Power transformer setting and wiring
• Grounding system installation and testing
• Control house construction and wiring
• Protective relay installation and testing
• SCADA and communications integration
• Site grading and foundation work
• Commissioning support and acceptance testing
TURNKEY CAPABILITIES.
As a full-service EPC contractor, we
handle every phase — engineering,
procurement, and construction — to
deliver turnkey high voltage projects
that are safe, efficient, and built to last.
EMERGENCY & STORM RESTORATION
EMERGENCY RESPONSE
AND STORM RESTORATION
When natural disasters strike, J.W. Didado responds
quickly to restore power and stabilize infrastructure.
Our storm restoration crews are equipped with the
tools, equipment, and experience to assist utilities
across the country. We mobilize fast and operate
safely in high-pressure conditions, supporting
emergency efforts during hurricanes, ice storms,
wind events, and more.
RAPID-RESPONSE
SUPPORT INCLUDES:
• 24/7 storm readiness and dispatch
• Nationwide mutual aid support
• Fleet of bucket trucks, digger derricks, and
support vehicles
• Damage assessment and hazard removal
• Rapid overhead line rebuilding
• Temporary system restoration and hot tie-ins
• Distribution system triage and repairs
• Substation storm damage response
• On-site logistics and crew management
• Coordination with utilities and emergency
operations centers
330.374.0070 • www.jwdidado.com
2026.02-PDF
WHY UTILITIES CHOOSE J.W. DIDADO.
TURNKEY CAPABILITIES
From transmission lines to substations, we manage every
phase of high-voltage work—engineering
through energization.
STORM-READY CREWS
Our emergency response teams are prepared 24/7, with
the manpower and equipment to restore service fast.
GRID MODERNIZATION EXPERTS
We help utilities strengthen and upgrade their systems
for improved efficiency, reliability, and resilience.
SAFETY WITHOUT COMPROMISE
We maintain rigorous training and safety protocols
to protect our teams, our clients, and the communities
we serve.
Contact us today at 330.374.0070
for more information.
Ohio • 1033 Kelly Avenue • Akron, 44306 • 330.374.0070 (HEADQUARTERS)
New York • 7822 Morgan Road • Liverpool, 13090 • 315.409.4519
Pennsylvania • 1750 Emmitsburg Road • Gettysburg, 17325 • 330.374.0070
JWDIDADO.COM