Expert High Voltage Testing & Commissioning for Safe, Reliable Power Systems
At Independent Testing Agency, we specialize in electrical substation testing and commissioning services for industrial, commercial, utility, and institutional facilities. With over 30 years of experience, we ensure that your high-voltage and medium-voltage electrical equipment operates safely, reliably, and in full compliance with industry standards.
As a woman-owned small business (WOSB) and certified NETA-aligned independent testing company, ITA provides unbiased, third-party testing using state-of-the-art equipment and a skilled team of NICET-certified technicians and engineers. We follow best practices and testing standards established by NETA, IEEE, and NFPA 70B to deliver proven results.
Comprehensive Substation Testing Services
We offer a full range of substation electrical testing services to support the integrity and performance of your power system:
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- Insulation Resistance Testing – Detect moisture, contamination, or breakdown in insulation
- Circuit Breaker Testing – Perform timing, contact resistance, and mechanical function tests
- CT & PT Testing – Verify polarity, ratio, and phase relationships of current and potential transformers
- Transformer Testing – Assess insulation, oil quality, and winding integrity
- Ground Resistance Testing – Evaluate ground grid continuity and ensure proper system grounding
- Battery System Testing – Inspect and load-test station batteries and chargers
- Relay Protection Testing – Conduct functional and logic testing of protection and control relays
- SCADA System Validation – Confirm communications and remote control system operation
Substation Commissioning Services
Commissioning is critical to ensuring that all equipment and protection schemes are installed correctly and perform as expected. Our turnkey substation commissioning services include:
- Pre-functional checkouts and device verification
- Primary and secondary injection testing
- Functional testing of breakers, relays, and interlock schemes
- Trip circuit verification and relay logic testing
- Control wiring verification and drawing validation
- Energization support and system acceptance testing
- As-built documentation and detailed test reports
Whether you’re commissioning a new substation installation, upgrading legacy gear, or troubleshooting system faults, ITA delivers the expertise and attention to detail your project demands.
Why Choose Independent Testing Agency?
✔ Over 30 Years of Industry Experience
✔ Certified Experts in Substation Maintenance & Testing
✔ NETA & NFPA 70B-Compliant Procedures
✔ Fast Turnaround & Responsive Service
✔ Trusted by Utilities, Engineers, and Electrical Contractors
✔ Woman-Owned Small Business (WOSB) Certified
We serve Maryland, Virginia, Washington D.C., Pennsylvania, and Delaware—providing trusted substation testing services near you.
Start Your Project with Confidence
Whether you’re preparing for startup, performing routine maintenance, or conducting forensic analysis after a failure, Independent Testing Agency is your trusted partner for electrical substation testing and commissioning.