Business Details
50+ Years
experience
Emergency
services
High Voltage Electrical Infrastructure Experts
Dashiell has been a leader in high and medium voltage electrical services since 1960, serving electric utility, power generation, industrial, and renewable energy industries nationwide. Our turnkey service offering includes engineering, procurement, construction, testing, and commissioning for complex electrical infrastructure projects. With headquarters in Houston, Texas, and over 1,000 employees, we combine decades of technical expertise with a commitment to safety and quality. Our nationwide construction network through Quanta Services ensures responsive service across all regions. We specialize in delivering cost-conscious, schedule-driven solutions for projects ranging from 69kV to 765kV systems.Our engineers and technicians provide comprehensive power system studies, substation design, and emergency response services 24/7. As part of Quanta Services (NYSE:PWR), we leverage industry-leading resources while maintaining our focus on personalized client relationships. Our track record includes landmark projects for utilities, independent power producers, and industrial clients. We invest continuously in workforce development to maintain technical excellence across all service areas. Client satisfaction remains our priority through transparent communication and adherence to the highest industry standards.
Services
Substation Design
Power System Studies
Construction
EPC Services
Testing & Commissioning
Emergency Response
Details
- Year established: 1960
Highlights and features
- We have 60+ years of experience in high voltage electrical systems
- Our turnkey EPC services cover complete project lifecycle
- Nationwide service through Quanta Services' construction network
- 24/7 emergency response with dedicated hotline
- Affiliated with NYSE-listed Quanta Services for enhanced resources
Services
Substation Design
Our substation design services include site layout, equipment specifications, grounding systems, and construction documentation. We handle AIS/GIS configurations, HVDC yards, and relay systems for voltages up to 765kV. With 60+ years of experience, we deliver optimized designs meeting industry standards and client requirements.
Power System Studies
We conduct comprehensive power system studies including load flow analysis, relay coordination, and reliability assessments. Our engineers develop project scopes and capital budgets while ensuring compliance with grid interconnection requirements. Services support system planning and optimization for utilities and industrial clients.
EPC Services
Our EPC division manages complete engineering, procurement, and construction of electrical infrastructure. With nationwide execution capabilities through Quanta Services, we deliver complex projects from 115kV to 765kV systems, including substations, transmission lines, and renewable energy integration projects.
Emergency Response
We provide 24/7 emergency response for power system issues with a dedicated hotline (713-935-7360). Our teams handle urgent repairs, troubleshooting, and system restoration for substations, transmission lines, and industrial electrical systems across the country.
Testing & Commissioning
Our testing services include acceptance testing, field engineering, and system commissioning for all power system components. We ensure equipment performance meets specifications through comprehensive diagnostics and startup support for new installations and retrofitted systems.
Questions
What industries does Dashiell serve?
We serve electric utilities, renewable energy providers, industrial clients, and petrochemical companies with high voltage electrical infrastructure solutions.
Do you offer nationwide service?
Yes, through our Houston headquarters and Quanta Services' nationwide network, we provide services across all U.S. regions.
What voltage ranges do you handle?
Our expertise covers medium and high voltage systems from 115kV up to 765kV transmission-level infrastructure.
Is emergency service available after hours?
Yes, our 24/7 emergency response team can be reached at (713) 935-7360 for urgent power system needs.
How long has Dashiell been in business?
We've specialized in high voltage electrical services since 1960, with over six decades of industry experience.
