Complete, Turnkey MV System Solutions – from Concept to Commissioning
At Expanse, we deliver more than just component installation – we provide fully engineered, fully integrated medium voltage system solutions tailored for modern industrial operations. From initial design to startup and ongoing preventative maintenance, our in-house experts manage every detail, including switchgear, motor controls, VFDs, relay integration, SCADA systems, testing & commissioning, and compliance.

The Expanse Advantage
- Fully integrated services– no subcontracted engineering or testing
- MV power studies and system design
- Complete installation including decommissioning, removal, cabling, site rigging, energization
- Compliance with industry standards (ANSI, NETA)
- End-to-end project delivery with dedicated integration teams
- Trusted OEM partnerships – Authorized Rockwell Automation MV Integrator
- NICET-trained testing & commissioning technicians
What Sets Us Apart
DEPTH AND BREADTH OF EXPERTISE
Our team has decades of experience with switchgear, MCC, VFDs, relays, and cable systems. Our NICET-trained technicians perform ANSI/NETA-compliant testing to ensure safe, reliable performance on every project.
END-TO-END PROJECT EXECUTION
A dedicated integration team leads each MV project. Specialized crews handle every phase – engineering, equipment and MV cable installation, along with testing & commissioning – for efficient, expert-driven execution.
AUTHORIZED ROCKWELL INTEGRATOR WITH BROAD OEM EXPERIENCE
Expanse Electrical proudly holds the designation of Authorized Rockwell Automation MV Integrator, a credential that sets us apart in the industry. We also maintain deep experience with ABB, Toshiba, and WEG systems.
INTEGRATED LIFECYCLE SUPPORT
Expanse provides ongoing support beyond commissioning—preventative maintenance, system tuning, and upgrade paths—to keep your MV system reliable and future-ready.
Electrical Services
- MV system and switchgear design
- Power system studies (load flow, short circuit, coordination, ARC Flash)
- New equipment installation (switchgear, transformers, VFDs, MCCs)
- Grounding and bonding system installation
- MV cable pulls, splicing, and terminations
- Site logistics, rigging, and energization support
- Equipment decommissioning and removal
Testing & Maintenance
- Acceptance testing to NETA ATS & ANSII standards
- Insulation resistance and Hipot testing
- Relay calibration and functional testing
- Circuit breaker and protective device testing
- Compliance with NETA requirements
- Preventative and predictive maintenance programs
- Infrared thermography and partial discharge detection
- Emergency response and outage recovery services
MV Controls (VFDs, RVSS, Starters)
- Application engineering and equipment selection
- Control system design and functional specification
- Manufacturer-certified startup and commissioning
- SCADA, PLC, and automation system integration
- Drive system tuning and performance optimization
- Load sharing, motor protection, and power quality analysis
- Obsolescence upgrades and lifecycle planning
Compliance & Safety
- ARC Flash studies and labeling (NFPA 70E)
- OSHA and NEC compliance consulting
- Lockout/tagout (LOTO) and safety training
- NICET-trained technicians
- Risk assessment and hazard mitigation planning
Project Management & Support Services
- Turnkey project execution
- Scheduling and outage coordination
- Procurement and vendor management
- Detailed documentation and closeout packages
- Ongoing support agreements and SLAs